1,4-BUTANEDIOL depressant other 1,4-BD is a clear liquid with intoxicating effects. It is a pro-drug for GHB, and has similar though reportedly inferior effects. It also carries the potential for more health risks than GHB, such as liver toxicity.

1B-LSD other other psychedelic 1B-LSD (1-butanoyl-lysergic acid diethylamide) is an LSD analogue which appears to be about as potent as 1P-LSD (slightly more potent than LSD) and has a slightly shorter duration than that of LSD, again thought to be about the same as 1P-LSD. Released in late 2018, and marketed agressively as a replacement for 1P-LSD. 1B-LSD does not yet have a clearly established safety profile,

1CP-LSD psychedelic other other 1cP-LSD (1-cyclopropionyl-lysergic acid diethylamide) is a novel lysergamide with little to no history of use. It is said to be a less pushy and shorter lasting version of LSD. Described as having a more gradual onset than 1P-LSD, with a less visual more meditative headspace when compared with LSD.*NOTE: This is a very new research chemical - take all info with a grain of salt.*

1P-ETH-LAD psychedelic other other A new psychedelic lysergamide which is suspected to be a prodrug of ETH-LAD, which could explain why the doses are very similar. Or it could be active on its own. Scientific studies would need to be written to understand, yet there are none.

1P-LSD psychedelic other An LSD analogue which appears to be slightly more potent with a shorter duration. Its effects are reported to be extremely similar to LSD, and thus far seems to be similarly safe. Released in late 2014, It has quickly become a highly popular research chemical due to its implicit legality, similarity to LSD and wide availability on the Internet.

2-AI stimulant other other other Short acting stimulant that is sometimes compared to the likes of Methamphetamine. It is a rigid analogue of Amphetamine, and also partially substitutes for the prior in rat discrimination studies.

2-CHLORO-EPHENIDINE dissociative other other Analogue of Ephenidine. Very little is known about this quite obscure compound. Very likely to exhibit dissociative effects, and is slightly less potent than the parent drug Ephenidine.

2-DPMP stimulant other other other A very potent stimulant that is a NDRI. Developed by Novartis in the 1950s, to treat narcolepsy and ADHD, however dropped when Methylphenidate was produced a few years later, which was seen as superior due to its shorter T½. 2-DPMP Half life 16-20 hours. Warning: subjective reports suggest this drug is caustic to the nasal mucosa and may cause damage to the nasal cavity.

2-FA stimulant other other Stimulant drug of the amphetamine family. Reported as having effects similar to those of Dextroamphetamine, but with a milder euphoria and a comparatively smoother comedown. Has a shorter duration and less empathogenic effect-profile as compared with 4-FA. Thought to produce less neurotoxic metabolites compared to amphetamine.

2-FDCK other dissociative other Dissociative anesthetic of the arylcyclohexylamine class. Seemingly on par with ketamine in dosage. Longer onset than the prior.

2-FEA stimulant other other Stimulant closely related to 2-FMA. Presumably slightly less potent than the prior. Toxicology and the likes are pretty much completely unknown. Tread with caution.

2-FMA stimulant other other A long-acting stimulant often compared to lisdexamphetamine. Thought to lack some of amphetamine's neurotoxic metabolites. Very functional, and for this reason it is commonly used for studying.

2-ME-DMT psychedelic other other Also known as 2,N,N-TMT, this drug was first synthesised by Alexander Shulgin. Described as a very mild psychedelic of similar subjective effects to other tryptamines. Reported as having an unusual and unpredictable dose curve, it is recommended to start low with this drug.

2-MEC stimulant other other other Cathinone which some users report to feel like a weaker MDMA with a shorter onset.

2-METHYL-2-BUTANOL other depressant other A tertiary alcohol that has sedative, hypnotic, and anxiolytic effects. It is also roughly 20x more potent than Ethanol by weight.

2-METHYLAMPHETAMINE stimulant other other other Also known as Ortetamine, this rarely seen amphetamine is approximately 1/10th as potent as dextroamphetamine. Little information exists regarding its safety or effects.

2-MMC stimulant other other other A cathinone, yet the effects are noted more of the likes of 2-FA or amphetamine. Which apparently left people dissapointed.

2-MPPP other other stimulant other A novel stimulant that is similar to methcathinone.

2-PA stimulant other other other Amphetamine with the alpha-methyl replaced by ketone. Very few reports. Also no information on the safety of this compound. As always treat with caution.

2-PTA stimulant other other other 4-Methylamphetamine with the alpha-methyl replaced by ketone. Very few reports. Also no information of the safety of this compound. As always treat with caution.

25B-NBOH psychedelic other other A phenethylamine psychedelic and stimulant derivative of 2C-B, this compound is related to and has similar effects to 25b-NBOMe. It is significantly more potent than 2C-B but less potent than 25B-NBOMe. Overdoses of NBOH compounds may cause dangerous vasoconstriction. May induce uncomfortable body load.

25B-NBOMe psychedelic other Psychedelic Phenethylamine, active in the lower microgram range, that is not active orally.

25C-NBOH psychedelic other other A phenethylamine psychedelic and stimulant derivative of 2C-C, this compound is related and has similar effects to 25c-NBOMe. It is significantly more potent than 2C-C but less potent than 25c-NBOMe. Overdoses of NBOH compounds may cause dangerous vasoconstriction. May induce uncomfortable body load.

25C-NBOMe psychedelic other other A relatively new and popular research chemical. A short acting psychedelic related to 2C-C with similar effects to LSD, though more visual with less of a 'head-trip.' Frequently mis-sold as LSD. Causes an uncomfortable body load and has caused several deaths even within regular dose ranges.

25D-NBOMe psychedelic other Uncommon analogue of 2C-D. Extremely potent psychedelic with stimulating qualities. Could cause dangerous vasoconstriction at high doses. May induce uncomfortable body load.

25E-NBOMe psychedelic other A potent psychedelic phenethylamine and derivative of 2C-E, usually sold on blotters. May be mis-sold as LSD. Effects include vivid hallucinations, stimulation, heavy body load and vasoconstriction. At high doses vasoconstriction can endanger life, exercise caution.

25G-NBOMe psychedelic other other A rare psychedelic stimulant and bomamine. A derivative of 2C-G, but far more potent. Likely to have hallucinogenic, stimulant and vasoconstrictive properties which may be dangerous at high doses. A heavy body load is to be expected.

25H-NBOMe psychedelic other other A rare psychedelic stimulant and bomamine. A derivative of 2C-H, but many times more potent. Likely to have hallucinogenic, stimulant and vasoconstrictive properties which may be dangerous at high doses. A heavy body load is to be expected.

25I-NBF other psychedelic other Is a derivate of the psychedelic 2C-I. Was sold breifly in a few countries before being banned. Based purely on the pharmacological evidence it'll be between 6-8x less potent than it's parent compound 25I-NBOMe.

25I-NBMD psychedelic other other A psychedelic phenethylamine that is related to the 25X-NBOMe series which in turn makes it related to the 2C-X series. Quite potent substance.

25I-NBOH psychedelic other other A phenethylamine psychedelic and stimulant derivative of 2C-I, this compound is related and has similar effects to 25i-NBOMe. It is significantly more potent than 2C-I but less potent than 25i-NBOMe. Overdoses of NBOH compounds may cause dangerous vasoconstriction. May induce uncomfortable body load.

25I-NBOMe psychedelic other other A relatively new and popular research chemical with psychedelic properties. Users report an uncomfortable body load with very strong visuals, though with less of a mental aspect than most psychedelics. Commonly mis-sold as LSD, since it is much cheaper to produce. Is considered quite unsafe, and has caused several deaths at 'regular' doses.

25IP-NBOMe psychedelic other other Almost unheard-of bomamine analogue of 2C-iP. Extremely potent psychedelic with stimulating qualities. May cause potentially dangerous vasoconstriction at high doses. May induce uncomfortable body load.

25N-NBOMe psychedelic other other A rare, highly potent and yellow psychedelic phenethylamine and derivative of 2C-N. Effects are similar to other NBOMe compounds, with hallucinations, intense body load, stimulation and vasoconstriction. At high doses vasoconstriction can be dangerous, exercise caution.

25P-NBOMe psychedelic other other A rare potent psychedelic drug with similar effects and risks to others in the NBOMe class. Yet no trip reports... when the substance was first sold in mid-late 2012, and resurfaced in early 2015.

25T-2-NBOMe psychedelic other other A potent serotonin receptor agonist at the 5-HT2a receptor that is of the NBOMe drug class. It is a hallucinogenic and psychedelic with limited recorded human use.

25T-4-NBOMe other psychedelic other A psychedelic RC of the NBOMe class of drugs that is expected to cause hallucinations. Limited human use has been recorded on this drug and caution should be used with dosing.

2C-B psychedelic other other A popular psychedelic in the phenethylamine family. Provides empathic experiences at lower doses and strong visual and psychedelic experiences at higher doses. Commonly used as a party drug as it is more clear-headed than most psychedelics. 2C-B has been in use since the early 1990s

2C-B-AN psychedelic other other 2C-B-AN is a novel prodrug for 2C-B.

2C-B-FLY psychedelic other Psychedelic phenethylamine that is the dihydrodifuran analog of 2C-B.

2C-B-FLY-NBOMe other psychedelic other other

2C-C psychedelic other A short-acting psychedelic research chemical of the 2c-x family. Often described as being less stimulating than the other 2c-x, and is a relatively unique psychedelic in this respect.

2C-D psychedelic other A fairly generic psychedelic famed for being usable as "psychedelic tofu". Little character of its own but pleasant in combinations.

2C-E psychedelic other other An intense psychedelic drug with very strong visuals, sometimes criticised for its relatively uncomfortable body load. Otherwise, effects are comparable to other 2c-x drugs.

2C-G psychedelic other other Extremely rare drug of the 2C-X family. An extremely long lasting substance. Is nearly as potent as its amphetamine counter-part, Ganesha. Yet is said to have very little visual activity.

2C-I psychedelic other A psychedelic similar to the more well-known 2C-B. Users frequently report very vivid and bright open-eye visuals and more mild closed-eye visuals compared to 2C-B and other drugs in the 2C family. Can also be more stimulating than 2C-B along with having a slight body load for some users. Less safe at high doses compared to 2C-B

2C-IP psychedelic other other Isopropyl analog (branched analog) of 2C-P with a slightly shorter duration and lower potency.

2C-N psychedelic other other A relatively uncommon and short-acting psychedelic phenethylamine of the 2C-x family. It behaves much like other 2C-x drugs, but is unique in that it is a yellowish golden-coloured salt. Described by some, namely Shulgin, as being quite underwhelming.

2C-P psychedelic other A synthetic phenylethlyamine that is sometimes compared in effects to 2C-E, yet with a much longer duration. With a much more pronouced bodyload. Is one of the most potent of the 2C-X series.

2C-T psychedelic other other other A very rare psychedelic phenylethylamine, that is quite lovely.

2C-T-2 psychedelic other An unusual psychedelic with similar effects to 2C-B and a slightly longer duration, but maligned because of some deaths in the 2000s. Also similar to 2c-t-7, but with a shorter duration. Potentially unsafe with stimulants and empathogens.

2C-T-21 psychedelic other other A rare psychedelic phenethylamine.

2C-T-4 psychedelic other A psychedelic phenethylamine that has a longer onset and duration compared to the more common 2C-T-x (2 and 7).

2C-T-7 other other psychedelic A relatively uncommon psychedelic phenethylamine and possible MAOI. Long lasting, an possesses an unpredictable dosage curve. Questionable safety in combination with most things.

3,4-CTMP stimulant other other A strong stimulant, NDRI and analogue of methylphenidate. Has increased in popularity in recent years. Said to be seven times more potent than methylphenidate but with a slower onset, however discrimination studies have found it to be more addictive than cocaine.

3,6-DMPM stimulant other other Stimulant that is related to Phenmetrazine. Nearly no information on dose or effects.

3-CMC stimulant other other other A rarely seen halogenated cathinone drug. Likely to be a stimulant, possibly an entactogen. (Note: The amphetamine analogue of this drug, 4-CA, is a highly dangerous neurotoxin, no data about the safety of this one, but should likely be avoided)

3-FA stimulant other other other A stimulant that is close to equipotent with methamphetamine and acts as a monoamine releasing agent , but has more selectivity for dopamine/noradrenaline over serotonin.

3-FEA stimulant other other other A novel fluorinated amphetamine with serotonergic properties. Effects are similar to 4-FA, in that it provides slight dopamine and norepinephrine release or reuptake inhibition, as well as serotonin release and reuptake inhibition. Effects on the serotonin side are more pronounced than dopamine and norepinephrine, the latter two being almost negligibly.

3-FMA stimulant other other Stimulant drug in the amphetamine family

3-FMC stimulant other other A stimulant drug related to mephedrone. A member of the cathinone class, it is also an amphetamine. Effects similar to other drugs of its class, may possess high addiction potential. May be a monoamine releaser, reuptake inhibitor or both.

3-FPM stimulant other other A functional stimulant related to phenmetrazine. Effects similar to amphetamine, but longer and more focused. Observed as being relatively benign in low doses, but seems to cause worrying health effects for heavy users. Pain from insufflation is eye-wateringly intense, but short.

3-HO-PCE dissociative other other other A rare and very potent PCP analogue, eight times more potent than PCP as NMDA receptor antagonist and also a μ-opioid receptor agonist. Similar in structure to methoxetamine.

3-HO-PCP dissociative other other other An arylcyclohexamine dissociative analogue of PCP, this drug is relatively uncommon, and little information is available. It is reported to not only have dissociative activity but also be an opioid. Some trip reports suggest very negative side-effects including intense muscle tension.

3-MEC stimulant other other other Another cathinone based stimulant, that is weaker than 4-MEC. Very few reports since it is quite unpopular.

3-MMC stimulant other other A euphoric stimulant similar to mephedrone but said to lack much of the "magic." Never gained the same popularity. Slightly less potent.

3-MeO-PCE dissociative other other other 3-MeO-PCP with a change of a ring replacement. Slightly more potent than 3-MeO-PCP.

3-MeO-PCMO dissociative other other A less common dissociative anaesthetic compound related to PCP. An analogue of 3-meo-pcp, but far less potent. Possibly an antitussive and antidepressant. Very little history of human use or pharmacological information.

3-MeO-PCP dissociative other other other A potent dissociative often compared to MXE but with a longer duration, much less sedating effects and causing an overall different experience. Users have reported effects as being similar to PCP. Roughtly ten times more potent than 4-MeO-PCP.

3-MeO-PCPR dissociative other other other This is the N-Propyl homologue of 3-MeO-PCE. It is slightly less potent than PCP. Yet seems slightly less manic inducing.

3-MeO-PCPY dissociative other other other 3-Methoxy analogue of Rolicyclidine (PCPy) less opioid effects than Phenylcyclidine (PCP) Yet still prominent.

3-MeOMC stimulant other other A cathinone that has a short history of human use.

3-OH-PHENAZEPAM other other benzo other depressant The 3-OH analogue of Phenazepam, which cuts the half life down quite a bit. Psychoactive effects are mostly lead by its metabolites, rather than the drug itself.

3C-E psychedelic other stimulant Three-Carbon Analog of Escaline. Substituted Amphetamine.

3C-P psychedelic stimulant other Rather new and uncommon stimulant, psychedelic and amphetamine with properties similar to the 2Cx class of drugs. 3-carbon homologue of proscaline.

4,4-DMAR stimulant other other other Very closely related stimulant to Aminorex and Pemoline. Was sold as a designer drug for quite awhile under the brand name "Serotoni" has been linked to at least 31 deaths. It is a potent SNDRA.

4-AcO-DALT psychedelic other An uncommon tryptamine derivative first reported in the mid 2000s, likely a psychedelic. Little is known about the pharmacology or effects of this compound.

4-AcO-DET other psychedelic other Rare drug that is of the tryptamine family, can be comparable to Psilocybin. Expected to quickly hydrolyzed into the free phenolic 4-HO-DET.

4-AcO-DMT psychedelic other other A prodrug for Psilocin with extremely similar effects as Mushrooms.

4-AcO-DPT psychedelic other other Research chemical of the Tryptamine class. First noted being sold in 2012, yet never recieved much attention. Conflicting reports. Doesn't dissolve well at all in nearly all solutions it was tested in.

4-AcO-DiPT psychedelic other An uncommon psychedelic tryptamine with a short history of human use, also known as Ipracetin. Possibly first synthesised by Alexander Shulgin. Some reports of heavy nausea, with effects comparable to 2c-b and mushrooms.

4-AcO-MET psychedelic other A rare psychedelic tryptamine which is thought to be metabolised into 4-HO-MET. Onset and duration, intensity will vary but effect profile is largely the same.

4-AcO-MiPT other psychedelic other other A quite potent tryptamine that has be related to having "shroom-like" visuals. Yet without much bodyload. Very hydroscopic. Seems to be quite safe in dosing. Similar to the likes of 2C-B.

4-BENZYLPIPERIDINE stimulant other other other A dopamine releasing agent with weak serotonin releasing properties. Little evidence of human use. Potentially dangerous in overdose given MAOI + monoamine releasing properties.

4-CBC stimulant other other other Is a potentially very neurotoxic Cathinone. Obviously no scientic reports have been noted on the neurotoxicity or cardiotoxicity, so please move on with extreme caution.

4-CHLORODIAZEPAM other other A benzodiazepine derivative of Diazepam, yet lacks affinity for GABA(a) receptors, yet is still a sedative, that has pro-convulsant effects. Yet at lower doses it has been proven to be neuroprotective.

4-CMA other The stimulant that is the N-Methyl Derivative and prodrug of the neurotoxic para-Chloroamphetamine.

4-CMC stimulant other other (Note this work is going off just a few users inputs, so take all of this with a grain of salt) The cathinone analogue of 4-CMA which is highly neurotoxic. It is not known if the cathinone family holds the same neurotoxicity problem as with the parent compound.

4-EMC stimulant other other A stimulant that is a structural isomer of 4-MEC.

4-EPD stimulant other other An obscure analogue of Pentedrone, which means very little information on this chemical. It is likely is shares the same general effects of the other Pentedrone family.

4-FA stimulant other other other other An empathogen commonly used in place of MDMA, having a similar duration of empathogenic effects. This drug, however, has a longer stimulant "tail," during which effects are more like those of amphetamines. Not to be confused with 4-FMA, which has a similar potency, but is not particularly empathogenic.

4-FEA stimulant other other Stimulant that is the ethyl analogue of 4-FMA.

4-FLUOROETHYLPHENIDATE stimulant other other other A more potent and longer lasting analogue of Ethylphenidate.

4-FLUOROMETHYLPHENIDATE stimulant other other other A relatively uncommon, more serotonergic RC derivative of methylphenidate. A dopamine reuptake inhibitor possessing similar effects to associated stimulant compounds.

4-FLUOROPENTEDRONE stimulant other other other An obscure analogue of pentedrone, little information exists about this cathinone. It is likely that it has the same general effects as pentedrone, mephedrone and other related stimulants.

4-FMA stimulant other other other A stimulant with some empathogenic properties, and analogue of Methamphetamine with similar effects. Reported to be less effective than 2-FMA and related compounds. Little is known about the pharmacological effects of this compound. Not to be confused with 4-FA, which has a different effect profile, despite similar potency.

4-FMC stimulant other other A cathinone stimulant also known as flephedrone, appeared in 2008 marketed as a mephedrone replacement. With some mild empathogenic effects, it failed to achieve widespread popularity.

4-FPM other Seems to be a substance, that was just made to get money. High doses needed to feel any effects. Would avoid.

4-FPP psychedelic other other stimulant A piperazine derivative that has been reported to have mild pyschedelic effects, and also empathogen qualities. It has been sold in many branded legal highs.

4-HO-DET psychedelic other A rare compound first produced by Albert Hoffman, also known as ethocin. Structurally related to 4-HO-MET (metocin) and psilocin (4-HO-DMT), this drug has similar psychedelic effects but little recorded human usage. Probably similar to mushrooms. Potentially stimulating.

4-HO-DPT other psychedelic other A psychedelic hallucinogenic first synthesized by alexander shulgin. At light doses it causes enhanced cognition and appreciation for things like art and music while high doses cause visuals. The drug is known to cause a bodyload.

4-HO-DiPT psychedelic other A psychedelic tryptamine also known as iprocin. A homologue of psilocin, this drug likely has similar effects to psychedelic mushrooms. Said to have a rapid onset and relatively short duration for a drug of its class.

4-HO-EPT psychedelic other The 4-Hydroxy version of EPT. Slightly more potent than the prior.

4-HO-MCPT psychedelic other other Novel synthetic tryptamine that is the cyclopropyl homologue of Psilocin. Not much is known about anything.

4-HO-MET psychedelic other other A lesser known psychedelic tryptamine. Functional analogue of Psilocin. Very poorly soluble in water and alcohol.

4-HO-MPMI psychedelic other other A rare tryptamine derivative first synthesised by David Nichols. This drug, also known as lucigenol, has rarely been documented outside the lab. It is known to be a psychedelic similar to other psychoactive tryptamines, with a potency similar to DOI, but little else is known.

4-HO-MPT psychedelic other other Psychedelic drug of the tryptamine class. Higher homologue of Psilocin, and is the 4-hydroxy analogue of N-Methyl-N-Propyltryptamine.

4-HO-MiPT psychedelic other A reasonably popular tryptamine deriviative and Psilocin analogue, first synthesised by Alexander Shulgin. It has been reported as having comparable effects to psychedelic mushrooms, though with a shorter duration.

4-MEC stimulant other other A substituted cathinone stimulant; little is known about its safety or subjective effects. It is believed to have similar effects to mephedrone, but with a lower potency and a stronger stimulating character.

4-METHYLAMINOREX stimulant other other other A very potent stimulant that has quite a long duration of action at around 16 hours.

4-METHYLMETHYLPHENIDATE stimulant other other other A stimulant drug related to methylphenidate and also known as 4-Me-TMP, it has demonstrated lower dopamine reuptake inhibition properties and is potentially less potent. Has been subjectively described as very similar in feel to MPH.

4-MPD other stimulant other Stimulant of the cathinone class. Higher homologue of Mephedrone, and the p-Methyl analogue of Pentedrone.

4-MTA other other other Empathogen with very low chronic toxicity but high risk of acute harm due to mixed serotonin release and MAOI action. Reported to lack euphoria and rarely sold since being scheduled.

4-MeO-BUTRYFENTANYL other other opioid other Rare and basically unknown opioid and fentanyl analogue (not to be confused with Butyrfentanyl). Virtually no reliable information exists, safe dosages are unknown. Exercise extreme caution. Overdose may result in respiratory depression. Do not mix with stimulants or depressants.

4-MeO-MiPT psychedelic other other A rare psychedelic tryptamine first synthesised by Alexander Shulgin, said to the be "little brother" of 5-MeO-MiPT. Said to be relatively mild with lighter visual effects than most tryptamines.

4-MeO-PCP dissociative other other An arylcyclohexamine dissociative anaesthetic related to PCP. First discovered in the 1960s by Parke-Davis, it was introduced to the RC market in 2008. Reported to be less potent than PCP. It is not commonly seen, but has seen some increase in popularity with the inavailability of other dissociatives.

4F-NEB other The 4-Fluoro analogue of N-Ethylbuphedrone (NEB) is a part of the cathinone class.

4F-PHP stimulant other other other 4-Fluoro analogue of a-PHP, yet seems to have less mania attachted to it. Dose is near on par.

4F-PVP other stimulant other Fluornated analogue of a-PVP. Seems to be slightly less weaker than it's parent compound.

5-APB psychedelic stimulant other other other A triple monoamine reuptake inhibitor. This agonism for 5-HT2B makes it likely that 5-APB would be cardiotoxic with long term use, as seen in other 5-HT2B agonists such as fenfluramine and MDMA.

5-APDB stimulant psychedelic other other other An entactogenic amphetamine stimulant with similar structure and effects to MDMA. An analogue of MDA, it is a highly selective serotonin releaser but inhibits reuptake of serotonin (weakly), dopamine and norepinephrine.

5-APDI other other other Also commonly known as IAP. A selective serotonin releasing agent with psychedelic and empathogenic properties. Users have often reported issues with the drug causing overheating and unwelcome bowel movements.

5-BPDI other other stimulant other An analogue of a-PHP, which has been described as having an extremely similar effect profile, with some users noting that it may be slightly lighter and with less of an urge to redose. However, little record of the safety of human use exists.

5-BR-DMT psychedelic other other Psychedelic drug of the Trypyamine class, and is also found in two marine invertebrates. Animal studies have shown that this could be useful for sedative and/or antidepressant use.

5-DBFPV other stimulant other other Stimulant of the cathinone class. Analogue of MDPV where the methylenedioxyphenyl group was replaced with a dihydrobenzofuran.

5-EAPB stimulant psychedelic other other other A empathogen sold as a replacement to 5-MAPB after it was banned in the UK, but said to be less enjoyable and never gained much popularity.

5-HTP other other The precursor to serotonin. In some countries it is sold OTC as a supplement for mood stabilisation and insomnia. It is frequently used as a recovery supplement following the use of MDMA or any other drug that depletes serotonin. Do not mix this drug with anything serotonergic, as this can cause serotonin syndrome.

5-IAI stimulant psychedelic other other other A monoamine triple releaser first synthesised by David Nichols, possesses similar properties to MDMA. Probably neurotoxic in humans, however the extent of this is unclear.

5-IT stimulant psychedelic other other other An empathogenic stimulant with a very long duration, prone to cause overheating and potentially quite dangerous. Related to αMT, though described as being less psychedelic and with much stronger stimulating effects.

5-MAPB psychedelic stimulant other other other An empathogen structurally similar to MDMA. Typically more visual than MDMA. Often reported to be much less stimulating and more relaxing than most other stimulating empathogens. Less psychedelic than 6-APB. Much longer lasting than MDMA.

5-MAPDB stimulant psychedelic other other An entactogenic drug with similar effects to MDMA, it is related to 5-MAPB. Likely to release serotonin and show neurotoxicity in the same way as MDMA

5-METHYL-BK-MDEA stimulant other Also known as 5-methyl ethylone or 5-ME, this is a cathinone drug and analogue of ethylone. Little is known about this obscure compound but it is reasonable to assume it has an effect profile similar to other stimulants of the cathionone class, with a slightly higher potency than ethylone. Potentially entactogenic and a monoamine releasing agent.

5-MeO-AMT stimulant psychedelic other other A long-acting psychedelic and entactogenic tryptamine, related to aMT. Very potent and may be sold on blotters. Possibly has been missold as LSD in the past, however this is uncommon. Possibly an MAOI.

5-MeO-DALT psychedelic other A strange drug with an unknown mechanism of action. Some psychedelic effects alongside some effects non-characteristic of psychedelics like appetite enhancement. Reported as having rapid, intense and short acting entheogenic effects.

5-MeO-DIBF other other other An uncommon and new psychedelic drug related to tryptamine; the Benzofuran analogue of 5-MeO-DiPT. Probably a serotonin receptor partial agonist. Little history of human use.

5-MeO-DMT psychedelic other A powerful psychedelic tryptamine found in many species of plants and some toad venom, with a history of use by native South Americans spanning thousands of years. Has similar qualities to DMT and related tryptamines. Very potent. Orally active in combination with an MAOI.

5-MeO-DPT psychedelic other A rare tryptamine psychedelic and analogue of DPT. Little is known about this compound but it is likely to have effects similar to DPT, DMT and others related compounds.

5-MeO-DiPT psychedelic other other 5-methoxy-di isopropyl tryptamine, also known as 'foxy', a psychedelic tryptamine related to DMT, which distorts visual and audio perception. Reported to have a heavy body load at high doses, it behaves similarly to other drugs of its class.

5-MeO-EIPT psychedelic other other A little known and little studied tryptamine and analogue of EiPT, also related to DiPT and DET. Probably a psychedelic. Few reports of effects.

5-MeO-MALT psychedelic other A new and uncommon psychedelic tryptamine related to 5-MeO-DALT. Little is known about it, but its effects are probably similar to other psychedelic tryptamines.

5-MeO-MET psychedelic other An obscure psychedelic drug similar in structure to 5-MeO-DMT. Possibly first synthesised by Alexander Shulgin. Likely to have similar effects to other tryptamine psychedelics.

5-MeO-MiPT psychedelic other other other A potent, stimulating psychedelic tryptamine, sometimes compared to 5-MeO-DiPT. Has an unusually strong body component and weak visual effects. Often said to be very empathogenic.

5-MeO-NIPT psychedelic other other A little known and little studied tryptamine and analogue of NiPT, also related to DiPT and DET. Psychedelic, that is generally regarded as not worth the time.

5-MeO-PYR-T other other psychedelic A very odd acting tryptamine, that is very potent. With doses as low as 3mg vapourised causing complete blocks of memory loss.

5-PPDI stimulant other other other An obscure analogue of α-PBP, which is itself an analogue of α-PVP. This rare compound has little history of human usage. Some trip reports suggest it is inactive. If it is active it likely has a similar effect profile to other pyrovalerone stimulants.

5F-AKB48 other other other A synthetic cannabanoid that is a Indazole. Produces subjective effects somehwat similar to that of Cannabis, yet with a very short duration. Analogue of STS-135, in which the core indole structure is subbed with an indazole base.

5F-PB-22 other other other Synthetic cannabinoid, agonist of the cannabinoid receptors which has a strong sedating aspect. Being a synthetic cannabinoid it has a very fast onset.

6-APB stimulant psychedelic other other other A stimulant, empathogen and analog of MDA. Typically more visual than MDMA or MDA, as well as having a much longer onset and duration. Users often report a slightly more psychedelic headspace as well. Commonly sold as an alternative to MDMA and MDA.

6-APDB stimulant psychedelic other other other A stimulant and entactogen related to MDMA and an analogue of MDA. Reported as being fairly psychedlic at higher doses. It is a triple monoamine reuptake inhibitor. Potent full agonist of serotonin 2B receptors.

6-EAPB stimulant psychedelic other other other A rare entactogen benzofuran structurally related to MDMA and 6-APB, though weaker in effects. the pharmacology of this compound is unclear. Likely to be a monoamine releaser, monoamine reuptake inhibitor or both.

6-MAPB stimulant psychedelic other other other Empathogen drug that is structurally related to 6-APB and MDMA.

6-MDDM opioid other other depressant Semisynthetic opioid that is a derivative of Hydromorphone with little history of human use. Roughly around ~80x the potency of Morphine. Structurally related to Desomorphine.

A-PIHP stimulant other other other other Quite new Pyrrolidine based stimulant of the cathinone class. Not very many reports. Probably has a very fast tolerance raise, and lack of effects over time.

A-PVP stimulant other other A potent, short-lasting pyrovalerone-type stimulant which became popular despite often being said to not be particularly euphoric, perhaps due to its propensity to cause compulsive redosing. Effects should be similar to MDPV.

A-PVT stimulant other other other A rare stimulant drug related to a-PVP, very uncommon. Probably less potent than a-PVP, however little data exists on this compound or its effects on humans.

AB-CHMINACA other other other A synthetic cannabinoid related to AB-FUBINACA which has had some mild popularity. There have been reports of death in overdose, similar to AB-FUBINACA and it has a low threshold dose. Exercise caution.

AB-FUBINACA other other other other Arguably the most common synthetic cannabinoid, AB-FUBINACA was originally developed by Pfizer as an analgesic, but has since abandoned for medical use. It has since found a following in the RC community, however it's extremely high potency and inclusion in synthetic blends makes it dangerous, and it has killed in overdose. Exercise caution.

ACRYL-FENTANYL opioid other other other depressant A rare opioid and fentanyl analogue (not to be confused with acetyl-fentanyl), this drug is a powerful and potent analgesic. Little reliable information exists, even for basic usage such as dosage. Exercise extreme caution. Overdose may result in respiratory depression. Do not mix with depressants or stimulants. Potentially neurotoxic and carcinogenic.

AET psychedelic stimulant other other other A quite rare substance of the tryptamine class, was first made by Upjohn as an antidepressant. Please use extreme caution if you get the pleasure of trying this drug.

AH-7921 opioid other other depressant Opioid analgesic that is selective for the μ-opioid receptor. It has around 80% the potency of Morphine when taken orally.

AL-LAD psychedelic other AL-LAD is a hallucinogenic drug, lysergamide and an analogue of LSD. It is reported as having some subtle experiential differences to LSD (such as increased visuals), and also appears to be slightly shorter lasting. AL-LAD doses are similar to those of LSD, depending on purity. Its availability on the Internet since 2013 has lead to strong popularity among the drug community.

ALD-52 psychedelic other other ALD-52, or N-acetyl-LSD is a less common chemical analogue of LSD, first synthesised by Albert Hoffman. It was famously implicated in the 'Orange Sunshine' trial. A psychedelic lysergamide, this compound exhibits similar properties to LSD, and is thought to be a pro-drug for LSD.

ALEPH-2 psychedelic other other A very rare Phenethylamine, also known as DOT-2, it is the DOx analogue of 2C-T-2. Very little human use recorded. Described as being quite long and highly visual. Likely to be potent, with a reported threshold dose of 3mg.

ALPHA-PHP stimulant other other other A powerful stimulant cathinone, analogue of alpha-PVP and related to pyrovalerone. Said to have high addictive potential, compulsive redosing and relatively short duration. Often insufflated or vapourised.

AM-2201 other other other A synthetic cannabanoid that is very potent. Active doses start at around 250ug's. Please be cautious with this substance. It has also been noted that it can cause convulsions.

AMT psychedelic stimulant other A long-acting psychedelic-empathogen with a broad method of action in the brain. Not suitable for combination with many other substances. Used as an anti-depressant in the Soviet Union, but later found popularity in the RC scene, mainly in the UK.

APAP other A common, over the counter, fever reducer and painkiller. It is mixed with many common opiates. Can cause liver damage and failure in higher doses. No recreational value.

Acetildenafil other An RC analogue of sildenafil (viagra) often missold as a hidden ingredient in many 'natural' sexual potency blends and supplements.

Acetylfentanyl opioid other other depressant Acetyl-Fentanyl is an opioid analgesic substance that is an analogue of Fentanyl. It's potency is roughly ~6.67 times that of Morphine. Making it ~15 times less potent than its parent compound Fentanyl.

Adderall stimulant other other A mixture of 75% dextroamphetamine and 25% levoamphetamine. Commonly used to treat obesity, narcolepsy and ADHD. It is also used widely either as a recreational stimulant or study-aid, particularly in the USA where it is frequently prescribed.

Adinazolam depressant other other Benzodiazepine derivative that has some antidepressant properties. Never FDA approved, yet however has been sold as a research chemical.

Adrafinil stimulant other other other A prodrug to modafinil, this compound is often used to increase wakefulness and alertness. Due to hepatic metabolism it has a slower onset than modafinil and may cause liver damage in excess. Some users have reported acne as an adverse effect. Unregulated in the US.

Afloqualone depressant other other A rare analogue of methaqualone, a sedative, intoxicating drug. Similar effects to benzodiazepines, barbiturates and alcohol. Never widely used due to photosensitivity and skin irritation issues, though it has seem some popularity in Japan.

Alcohol depressant other other Alcohol is a CNS depressant that acts through the GABAₐ receptor, and is one of the most common strong psychoactives used by humans. It has a long history of use and its intoxicating effects are well-studied and documented. It remains legal in most parts of the world.

Aleph psychedelic other other other The first sulphur-containing Phenethylamine to have been evaluated for CNS activity for Stimulant or Psychedelic purposes.

Allobarbital other other depressant other Is a barbiturate that was first made in 1912. It was primilary used as an anticonvulsant. Yet it has pretty much been outclassed by a newer generation of safer ones. Still in use in Poland.

Allylescaline psychedelic other Mescaline analogue with a much lower dose, that seems to rely heavily on colours.

Alprazolam benzo other depressant other An extremely common benzodiazepine better known as Xanax, frequently prescribed for the treatment of anxiety and panic disorders. Alprazolam is short-lasting and primarily anxiolytic, though also possesses hypnotic properties. At high doses amnesia and loss of inhibition are common. Do not mix with other depressants.

Amfecloral stimulant depressant Is a stimulant drug of the Phenethylamine and Amphetamine class. It was used as an appetite suppressant, yet is no longer marketed. It's also interesting that it acts as a prodrug to both Amphetamine and Chloral Hydrate.

Amfonelicacid stimulant other other other A dopaminergic stimulant discovered by Sterling-Winthrop accidentally while developing antibiotics. Discontinued due to undesirable stimulant effects, it has had some popularity as a recreational drug.

Aminorex stimulant other other Is an anorectic stimulant drug that was taken of the market after it was found to cause pulmonary hypertension. Potency wise it has been found to be roughly 2.5 times more potent than dextroamphetamine.

Aminotadalafil other An analogue of tadafinil, better known as Cialis (Viagra). Infamous for being missold in the 'Alpha Male' sexual enhancement supplement.

Amobarbital depressant other other A sedative and hypnotic barbiturate first discovered in 1923. Formerly widely used recreationally and medically, barbiturates have declined in popularity with the appearance of benzodiazepines and other drugs with less serious consequences in overdose.

Amphetamine stimulant other other A very popular CNS stimulant available on prescription and black markets. Recreational in high doses, producing mild euphoria and an abundance of energy. Popular in eastern europe and the US.

Aniracetam other other An anxiolytic nootropic which modulates the AMPA receptor. Significantly more potent than racetam. May have positive effects on memory and cognition. Little recreational value. Sold in Europe as a prescription drug, but not approved by the FDA in the US.

Armodafinil stimulant other other The more potent of the two modafinil isomers, said to have a longer duration and lesser side effects. Sometimes prescribed for ADHD and daytime sleepiness.

Ashwagandha depressant other other Is an Adaptogen. It is commonly used for its ability to prevent anxiety. It also is helpful in relieving insomnia. It's name means "Smell of Horse" due to its smell and the traditional belief that ingesting the this herb will give you the strength and virility of a horse.

Aspirin other A widely used anti-inflammatory and blood-thinner produced by acetylation of the naturally occurring salicyclic acid. Part of the nonsteroidal antiinflammatory class of drugs, a cyclooxygenase inhibitor. Very common over-the-counter pain reliever and fever reducer. Also used in smaller doses to lower risk of heart attack.

Atomoxetine other A NRI that is used for ADHD. With a quite odd pharmacological background.

Ayahuasca psychedelic other A concoction made of two or more plants that contain at least an MAOI and DMT, the combination of which allows the DMT to work orally. Typically associated to south american cultures. Also, sometimes approximated synthetically by taking an external MAOI with extracted DMT. Causes intense, spiritually orientated hallucinogenic experiences.

BENZODIOXOLE-FENTANYL opioid depressant other other An analogue of Fentanyl that is not found in literature.

BK-2C-B psychedelic other other A long-acting psychedelic and empathogen with unpredictable effectiveness. Roughly double the duration of 2c-b. Inactivated by high pH.

BK-2C-I psychedelic other other Novel psychedelic that is the Beta-Ketone derivative of 2C-I.

BK-IVP stimulant other other The beta-ketone analogue of IVP, this is a rare RC stimulant in the same family as MDPV. Little is known but effects are probably similar to MDPV or more generally amphetamine or high dose caffeine.

BOD psychedelic other other Beta-methoxy analogue of 2C-D, seems to be more "mild" than the likes of 2C-X and DOX compounds. Is 50/50 whether the body load is barely there, or overpowering the experience.

BROMO-DRAGONFLY psychedelic other A psychedelic phenethylamine and benzofuran that is very potent and has a long duration. Was briefly sold as "2C-B-FLY" in 2005/6 and has lead to multiple deaths.

BZP stimulant other other A stimulant that was sold as "legal ecstasy" in the late 2000s, and was one of the first drugs widely marketed as a "research chemical." It has a much less favourable effect profile and has fallen out of popularity greatly since it was banned in many countries.

Baclofen depressant other Also known as Lioresal, Baclofen is a GABAb receptor agonist and central nervous system depressant used to treat spasticity, and holds promise as a treatment for alcoholism. It exhibits mild intoxicating effects similar to phenibut or pregabalin.

Barbital other other depressant The first commercially available barbiturate. Was used commonly as a sleeping aid until the 1950s.

Bentazepam benzo depressant other Thienodiazepine that is an effective anxiolyric. Liver damage among other nasty things have been reported.

Benzydamine other other stimulant NSAID with local anesthetic and analgesic properties, similar to ibuprofen or naproxen. Sometimes abused in overdose with reported delirant and stimulant effects.

Bromadol opioid depressant other other A very potent opioid that has an arylcyclohexylamine structure. Intial studies estimated that it was ~10,000x Morphine in animal studies. However that value has since decreased to ~504 times the potency of morphine for the trans-isomer.

Bromantane depressant stimulant other other An unusual stimulant and anxiolytic drug with dopamine and serotonin reuptake inhibition properties. Infamously used as a doping agent in the 1996 Olympics. There are some concerns it may exacerbate the underlying causes of Alzheimer's disease.

Bromazepam benzo other depressant A benzodiazepine drug with a medium-long duration, developed by Roche in the 1960s. Has primarily anxiolytic properties. May cause lowered inhibitions and amnesia in high doses.

Bromazolam benzo other other other A rather novel Benzodiazepine that is structurally quite close to Alprazolam.

Brotizolam depressant benzo other depressant Benzodiazepine analogue which is sedating, hypnotic and anxiolytic. It is available as prescription medicine in much of Europe, and is an extremely potent drug active at only 80ug. May cause amnesia and lowered inhibitions in overdose. Danger of respiratory depression when combined with other depressants. Short half life.

Buphedrone stimulant other other A cathinone stimulant first discovered in 1928, has gained some modest popularity as a mephedrone replacement. Said to be to be around 2-3x more potent than methcathinone.

Buprenorphine opioid other depressant A semi-synthetic opioid analgesic also known as subutex. Often administered as Butrans patches, or in combination with Naloxone as Suboxone, a heroin replacement therapy drug. Will cause withdrawals if you have an opioid tolerance and don't wait long enough (typically around 48 hours) before taking this.

Bupropion stimulant other A frequently prescribed atypical antidepressant. Occasionally prescribed as an aid to smoking cessation. May lower seizure threshold in predisposed individuals. Poorly understood mechanism of action, probably an NDRI. Avoid combination with other drugs.

Butylone psychedelic stimulant other other other Empathogen and stimulant of the cathinone class.

Butyrfentanyl opioid other other other depressant Potent short-acting opioid and fentanyl analogue. Often dispensed in a nasal spray. This is an highly potent drug - exercise extreme caution. May cause respiratory depression and death in overdose.

C30-NBOMe other other Inactive, if you do feel effects from "C30-NBOMe" you're either having the placebo effect of the world, or are being sold something else, and I recommend you send it in for testing somewhere.

CHLORAL-BETAINE depressant other Sedative-hypnotic drug that was introduced into the United States in the 60's. Betaine complex with Chloral hydrate, thus makes it act as an extended version of Chloral hydrate then to Trichloroethanol, which is responsible for most of its effects.

CRL-40-940 stimulant other other other Bisfluoro analogue Modafinil. Has been sold online as a research chemical. Was patented in 2013. Is slightly more potent than Armodafinil.

CRL-40-941 stimulant other other other A substance closely related to Adrafinil and Modafinil. It is the bis(p-fluoro) ring derivative of Adrafinil.

CYCLO-METHIODRONE other stimulant other other other Empathogen with strong stimulant effects, very loosely related to benzylpiperidine.

CYCLOPENTYL-FENTANYL opioid other other depressant other An analogue of fentanyl that is unknown in literature, seems to be less potent than its former being Acetyl-Fentanyl. Yet reports have yet to surface. Be careful.

Caffeine stimulant other other other Caffeine is a a CNS stimulant, and also the most widely used psychoactive substance in the world. It is legal and unregulated in most parts of the world, and is found in many commonly sold products. It has a good safety profile, though regular heavy use can cause physical dependence and contribute to certain medical conditions.

Camazepam benzo other other depressant A benzodiazepine drug that is stronger in terms of anxiety relief than it is in terms of how hypnotic it is. It is a metabolite of diazepam and has limited anticonvulsant properties.

Cannabis depressant stimulant psychedelic other other A common and widely used psychoactive plant, which is beginning to enjoy legal status for medical and even recreational use in some parts of the world. Usually smoked or eaten, primary effects are relaxation and an affinity towards food - a state described as being 'stoned.'

Carisoprodol depressant other A skeletal muscle relaxant drug also known as Soma, carisoprodol has limited recreational value, however its main metabolite meprobamate has some moderate tranquilising properties. Sometimes found in concoctions with codeine or caffeine.

Carphedon stimulant other other A nootropic and piracetam analogue also known as fonturacetam, this drug has been shown to have potential memory enhancing, anxiolytic, anti-amnesia and anti-depressive effects, however has little recreational value. Around 45x more potent than Piracetam.

Centrophenoxine other other stimulant Cholinergic compound with a DMAE compotent. Is thought to help in reversing some signs of aging. Naturally found substance, most notably in fish.

Changa psychedelic other Changa is the name given to a smoking blend of caapi or other MAOI containing plants with an infusion of extracted DMT. Changa often contains other milder psychoactive herbs as well. The maoi action results in a longer and more intense trip (see Ayahuasca) NOTE: There is no standardized recipe or concentration of infused DMT, therefor dosage and potency will vary per batch.

Chloroform depressant other other A naturally occurring organic compound once used as an anaesthetic. Has practically disappeared in this usage due to numerous harmful effects including danger of sudden death through cardiac arrhythmia. Has been implicated in numerous murders. Highly unsafe.

Cialis other Tadalafil, a PDE5 inhibitor used to combat erectile disfunction. Dangerous in combination with other drugs which lower blood pressure.

Cinolazepam depressant other A benzodiazepine derivative drug with anxiolytic effects but mainly hypnotic effects. It is extremely effective for sleep aid but has mild euphoria compared to other benzos

Citalopram other Citalopram is an SSRI that is used to treat depression. It does not lead to a high and causes a wide range of negative psychological and physical effects when people attempt to abuse it and can lead to serotonin syndrome and cause suicidal ideation. Those with bipolar disorder tend to go into a mixed state or manic states when trying SSRI's.

Clobazam benzo other depressant A long acting benzodiazepine which focuses primarily on anxiolytic and anticonvulsant properties. It is used medically to treat epilepsy, and this along with its relatively many negative side-effects and contraindications in comparison with other benzodiazepines means it isn't frequently used recreationally.

Clomethiazole depressant other other other Structurally related to Thiamine (vitamin B1), but with binding potential at the GABAa site, which causes it to produce effects most like those of a barbiturate: an effective sedative and hypnotic. Originally developed by Hoffman-LaRoche in the 1930s, it has seen use as a treatment for acute alcohol withdrawal.

Clonazepam benzo other depressant other A medium-length common prescription benzodiazepine, often used to treat panic attacks because of its relatively fast sublingual onset. Primarily anxiolytic, but also possessing of other benzo traits.

Clonazolam benzo other other depressant other A long lasting benzodiazepine with heavily hypnotic effects. The safety profile is not well established, and there have been reports that people taking it three days in a row have had a seizure. Most comparable to Triazolam, but with a much longer half-life.

Clonidine depressant other Is a medication that is used to treat high blood pressure, anxiety, withdrawal (Typically from Alcohol, Opioids, Smoking) and many other uses.

Cloniprazepam benzo depressant other other Prodrug for Clonazepam.

Clonitazene opioid other depressant other An opioid that is roughly three times as potent as Morphine. Is related to Etonitazene, which is about 1000-1500x the potency of Morphine.

Clorazepate depressant benzo other depressant Is a prodrug for Desmethyldiazepam which is responsible for most of the therapeutic effects. Has a long half life, with the addition of Desmethyldiazepam as the main metabolite, which makes it much longer.

Clotiazepam benzo other other depressant Is a thienodiazepine substance. It differs from most other benzodiazepines in which the benzene ring has been replaced by a thiophene ring.

Cloxazolam depressant other Benzodiazepine derivate that is metabolised into Delorazepam. Which is where most of its effects come from.

Cocaine stimulant other other A highly popular, short acting CNS stimulant that works by blocking the reuptake of dopamine, serotonin, and norepinephrine. It is known to increase euphoria, confidence, sex-drive, focus, body temperature, and heart rate. Cocaine can cause severe vasoconstriction and is known to be cardiotoxic and have a high potential for compulsive redosing and addiction.

Codeine opioid other depressant other Codeine is a weaker opioid used to treat mild to moderate pain and to relieve cough. In many countries it is available over the counter in combination with paracetamol, which can easily be extracted to retrieve near-pure codeine. For this reason, it is used widely as a recreational opioid. It is metabolised into morphine in the body at a rate of 5% mg for mg.

Coluracetam other other A nootropic drug of the racetam class, originally developed to treat Alzheimer's disease, it is currently being investigated as a treatment for major depressive disorder and generalised anxiety disorder. May be a modulator of the AMPA receptor. Limited recreational value.

Coronaridine psychedelic other Alkaloid found in Tabernanthe iboga and related species. Persistently reduces the self-administration of Cocaine and Morphine in rats.

Cyclizine depressant First generation antihistamine and anticholinergic drug used to combat nausea and vomiting. Causes drowsiness. Like most antihistamines in high doses it induces delirium and vivid realistic hallucinations. Probably uncomfortable and not enjoyable.

Cyclobenzaprine depressant other other Muscle relaxant and CNS depressant used to relieve skeletal muscle spasms and associated pain in acute musculoskeletal conditions. Sometimes prescribed off-label for treatment of fibromyalgia or as a sleep aid. Has little recreational value alone, but may potentiate some opioids. May cause drowsiness, dry mouth and dizziness.

Cyclopropylmescaline psychedelic other other Cyclopropylmescaline, AKA CPM, is a psychedelic/hallucinogenic that was produced by Alexander Shulgin. It causes visual and auditory hallucinations and lasts quite a long time. Little is known about it so caution must be used when trying out this substance.

D2PM stimulant other other An NDRI, which is reported as being rather lackluster.

DALT psychedelic other other Psychedelic drug of the tryptamine class.

DET psychedelic other other A surprisingly uncommon analogue of DMT with similar effects and reported oral activity without the aid of an MAOI.

DIETHYL-ETHER depressant other other An industrial solvent which is sometimes used recreationally as a dissociative anaesthetic, with a short length of action. Effects are similar to alcohol. Leaves one's breath tasting and smelling strongly of ether for much longer than the experience lasts.

DMAA stimulant other other other Also known as methylhexanamine, this sympathetomimetic drug was developed as a nasal decongestant by Eli Lilly in the 1940s. It has been used as a weight loss aid and missold as a dietary supplement and component of some energy drinks. Carries a risk of heart attack, stroke and other life-threatening cardiovascular issues.

DMT psychedelic other A popular and powerful psychedelic, typically used in two ways; either it is vapourised for a short 'breakthrough' experience, or it is taken in combination with an enzyme inhibitor for a long, intense trip (this is also known as ayahuasca or pharmahuasca).

DOB psychedelic stimulant other DOB is a relatively uncommon synthetic psychedelic. It is best known for its very low doses and long duration. Historically it has rarely been taken deliberately, but in place of LSD, however it has recently found its own place in the research chemical scene.

DOC psychedelic stimulant other other A potent stimulating psychedelic with a long action, a phenethylamine and substituted amphetamine. Sometimes sold as LSD but also enjoyed on its own merits by many. Usually sold on blotters slightly larger than those LSD is found on, but can also be bought in powder form.

DOET psychedelic other other A potent and long acting psychedelic stimulant and substituted amphetamine, similar in effects to other DOx compounds. First synthesised by Alexander Shulgin.

DOI psychedelic stimulant other A potent, long-acting psychedelic stimulant. Historically, it has rarely been consumed deliberately, but occasionally sold as LSD. However, it has recently found its own little nest in the research chemical community.

DOIP other psychedelic stimulant other A rare psychedelic ampthetamine of the same class as the likes of DOM. Is a quite powerful and potent psychedelic that has very strong amphetamine effects. Not for the faint of heart.

DOM psychedelic stimulant other other The most popular psychedelic amphetamine due to its pleasant effects, lower potency and shorter duration. Effects have been described as 'sillier' than LSD and related DOX chemicals

DON psychedelic other other A very rare psychedelic Amphetamine. That is more rough on the body then other DOx compounds. Making it physically painful in some cases.

DOPR psychedelic other other A rare psychedelic amphetamine of the same class as DOM. This is a powerful and potent psychedelic with all the effects you would expect from an amphetamine. Described by Shulgin as a 'heavy duty psychedelic'. Analogue of 2C-P.

DPH depressant other other An antihistamine which, when taken in smaller doses relieves allergies and insomnia. In larger doses works as a deliriant and can actually keep the user awake. Generally the 'high' of this drug is reported as dysphoric, potentially causing hallucinations indistinguishable from reality.

DPT psychedelic other N,N-Dipropyltryptamine, a psychedelic tryptamine compound and lesser-known analogue of DMT, with similar psychedelic effects. Like DMT it is a partial serotonin receptor agonist.

DXM dissociative other other Commonly found in certain over the counter cough medicines. Has dissociative effects similar to ketamine or MXE, though also shares properties with opioids and alcohol. Make sure DXM is the only active ingredient in the preparation.

Datura depressant other other A family of plants containing various Tropane alkaloids. Produces long-lasting deliriant effects including very realistic and often unpleasant hallucinations along with short-term amnesia. Datura plants are toxic to humans, and potency varies greatly from plant-to-plant, making the drug extremely difficult to dose safely. Not typically regarded as recreational.

Dehydroxyfluorafinil stimulant other other other Nootropic of the benzhydryl class. Closely related to Adrafinil and Modafinil. Was branded as "Modafiendz" through some research chemical vendors.

Delorazepam benzo other depressant Also known as chlordesmethyldiazepam, this uncommon benzodiazepine compound is primarily used for treatment of anxiety and alcohol withdrawal, due to its long half-life (60-140 hours). It is also the active metabolite of diclazepam and cloxazolam.

Demerol opioid other depressant A phenylpiperidine opioid first synthesised by Otto Eisleb in 1939, better known by the names meperidine and pethidine. An analgesic, once widely prescribed it has since declined in usage due to the discovery of a toxic metabolite - norpethidine. Also reacts dangerously with many drugs.

Deschloroetizolam benzo other other other depressant A Thienodiazepine which is close to its parent compound, Etizolam, whilst being significantly weaker and longer lasting.

Deschloroketamine dissociative other other other A novel analogue of Ketamine which is much more potent and has a longer duration.

Desmethylflunitrazepam depressant benzo other other Benzodiazepine that is a metabolite of Flunitrazepam, and has been sold as a research chemical.

Dexedrine stimulant other other A highly abusable stimulant. It is rarely prescribed in the US to treat ADHD, and is very similar in effects to Adderall, as its main ingredient is 75% of what adderall is.

Dextropropoxyphene opioid depressant other An opioid analgesic that is an optical isomer of levopropoxyphene. Used to treat mild pain and often used for its antitussive properties. It has been taken off the market in Europe and US due to concerns of health issues relating to the Kidney, Liver, Heart and Respiratory Disorders. Just a bit stronger than Tramadol.

DiPT psychedelic other A rare tryptamine psychedelic closely related to DMT, with the interesting property of having little visual hallucinations, but strong auditory effects.

Diazepam benzo other depressant other A very common and widely prescribed benzodiazepine with hypnotic and sedative qualities. The metre by which other benzodiazepines are compared. May cause amnesia and lowered inhibitions in excess. Has a relatively long half-life in comparison with other benzodiazepines.

Dibutylone other Inactive.

Diclazepam benzo other depressant A benzodiazepine drug and analogue of diazepam first synthesised by Leo Sternbach at Hoffman-LaRoche in 1960, it has become prominent as an RC benzodiazepine on the grey market in recent years, particularly with the decline in etizolam availability. A sedative and hypnotic it is of intermediate to long half life with similar effects to diazepam, though 10x more potent.

Diclofensine stimulant other other other A triple monoamine reuptake inhibitor developed by Hoffman-LaRoche in the 1970s as an antidepressant but discontinued, probably due to high abuse potential. Has not become popular as a recreational drug at this time. Acts as an SNDRI, mostly inhibits dopamine and noradrenaline.

Dihydrocodeine opioid other depressant A weak semi-synthetic opioid analgesic and antitussive (anti-cough) drug. Often sold as a syrup in combination with aspirin or paracetamol. Not to be confused with the slightly less potent codeine.

Dimemebfe other psychedelic other other Related in structure to 5-MeO-DMT, yet much less potent. Described as feeling somewhat similar to mushrooms, with some empathogenic effects.

Dimethylone other Inactive.

Diphenidine dissociative other other other A dissociative anaesthetic related to ephenidine with similar qualities to PCP and ketamine. Has seen some popularity as a recreational RC. Dosage curve has been reported as particularly steep, so care should be taken.

Dipipanone opioid depressant other depressant A powerful opioid of equivalent strength to morphine, rarely seen outside of medical environments. Often used to treat severe pain where morphine is contraindicated. Usually found in combination with the antihistamine Cyclizine, which potentiates it.

Doxylamine depressant other A first generation antihistamine and anticholinergic, originally used to treat nausea and itching, and later as a sleep aid. Causes drowsiness, and delirium in overdose. Sometimes used with opioids to combat nausea and potentiate effects.

Dramamine depressant other other A combination of diphenhydramine and a mild stimulant to counteract the drowsiness accompanied by typical medical use of diphenhydramine. Roughly half the potency of DPH. Small doses can relieve motion sickness, reduce body load from opioids or DXM. Becomes a deliriant in high doses, keeping the user awake and often causing dysphoric, realistic hallucinations.

EPT psychedelic other other Ethylpropyltryptamine a novel tryptamine, that is the structural homologue of DMT.

ETH-LAD other psychedelic A psychedelic drug and slightly more potent analogue of LSD, first synthesised by Alexander Shulgin - sometimes described as being less 'abrasive' than LSD. Less common than the associated AL-LAD, though has seen some popularity since its release on the Internet research chemical scene in 2015.

ETHYL-PENTEDRONE stimulant other other other A stimulant that came out around the same time as Ethyl-Hexedrone, not much information on it. Is in the cathinone family of substances. Related to Pentedrone.

Eflea stimulant other other other Prodrug for EDMA. May be inactive.

Ephedrine stimulant other Ephedrine is a sympathomimetic amine commonly used as a stimulant, concentration aid, decongestant, appetite suppressant, and to treat hypotension associated with anaesthesia. A methamphetamine analogue and commonly used in the production of methamphetamine.

Ephenidine dissociative other other other A dissociative drug which is less potent and less confusing than MXE but with otherwise similar properties. Reported as causing light stimulant effects at lower doses.

Escaline psychedelic other First synthesised in the 50s, this uncommon drug was reexamined by David Nichols in the 1990s. It is an analogue of mescaline which is roughly six times more potent, and is thus a powerful psychedelic phenethylamine. Subjective effects may include stimulation and hallucinations.

Estazolam benzo other depressant A rarely prescribed medium-duration prescription benzodiazepine. Mainly used as a hypnotic, it can cause amnesia and lowered inhibitions in excess.

Eszopiclone depressant other The d-isomer of Zopiclone, this drug is a potent hypnotic 'Z' drug often used to treat insomnia. High doses may cause amnesia, delirium and lowered inhibitions. Should not be combined with any depressants. Limited recreational value.

Ethaqualone depressant other other depressant Analogue of Methaqualone that was mostly marketed in France. Slightly weaker and shorter acting than the prior.

Ethketamine dissociative other other Ethketamine is a research chemical with properties similar to ketamine. While ketamine is a dissociative anesthetic producing hallucinogenic and sedative effects, recreational users have reported euphoria and dissociation when using NENK.

Ethylcathinone stimulant psychedelic other other Ethylcathinone is a synthetic stimulant. It is similar to ecstasy in the sense that it provides euphoria, feelings of empathy and openness, and a desire to talk with others. It also carries over to some of the negative effects of ecstasy, such as insomnia, tightened jaw muscles, and grinding of the teeth.

Ethylmorphine opioid other depressant A medium-strength opioid analgesic and analogue of morphine. Considered less potent than morphine but more potent than codeine, and has been used in Germany for this reason. Said to have a 'ceiling' effect where no more euphoria occurs with increased dosage. Under investigation as a maintainance drug in opioid dependence therapy.

Ethylone stimulant psychedelic other other other A euphoric stimulant often sold in place of MDMA since methylone was banned. Slightly less potent and empathogenic than methylone, it is often described as more of a 'straight stimulant.'

Ethylphenidate stimulant other other other Potent psychostimulant, similar to Methylphenidate. Note: Ethylphenidate should NOT be insufflated as it is known to be highly caustic and will cause serious harm to your nasal septum, even with light usage.

Etizolam benzo other other depressant A thienodiazepine anxiolytic. Similar in action to benzodiazepine drugs. Relieves anxiety, causes sedation and mild euphoria. High doses can lead to losing memory of what happened while on the drug. Users often compulsively re-dose frequently leading to accidental blackouts. Can be found in pressed pharmaceutical pills from various countries, clandestine pill presses, or as a powder

Fasoracetam other other other A substance in the racetam family. Appears to be a GABA(B) agonist, and has shown to block memory disruptions caused by Baclofen, another GABA(B) Agonist. Similar to another compound in the racetam family Coluracetam, it enhances High affinity choline reuptake (HACU). Also research is conducted if it helps with ADHD and Congitive impairment.

Fentanyl opioid other depressant Fentanyl is a synthetic opiate analgesic with a rapid onset and short duration of action. It is a strong agonist at the μ-opioid receptors and is historically used to treat breakthrough pain. Fentanyl is approximately 100 times more potent than Morphine, and is commonly used as a patch. Sometimes used as an adulterant for heroin, which has led to many overdose deaths.

Flualprazolam benzo other other other Fluorinated alprazolam, that likely has a longer half-life and higher potency than its parent compound.

Flubromazepam benzo other other depressant A somewhat common benzodiazepine drug known for its extreme duration, with effects for larger doses reaching up to three days. Sedative, hypnotic and anxiolytic, this compound is an analogue of Phenazepam. First discovered in the 1960s, it was never marketed as a licit drug, but has recently become available as an RC. Not to be confused with Flubromazolam.

Flubromazolam benzo other other depressant A very potent benzodiazepine derivative that is related to Triazolam and Pyrazolam. Popular in the research chemical scene, it is a potent sedative, hypnotic and anxiolytic. Potential for amnesia and reduced inhibitions in higher dose. Not to be confused with Flubromazepam, which is much less potent and has a much longer half-life.

Fluclotizolam benzo other other other A derivative of Etizolam. There are conflicting reports on its dosage, though claims have been made that it is approximately 3x the potency of Etizolam, with a shorter half-life.

Flunitrazepam benzo other depressant Known as Rohypnol or 'roofies,' this infamous drug has similar qualities to most other benzodiazepines; sedating with strong hypnotic effects. Despite being known as a 'date rape drug' has only been implicated in a small number of such crimes. Danger of respiratory depression in combination with other depressants. May cause amnesia and lowered inhibitions in overdose.

Flunitrazolam benzo depressant other other A very potent hypnotic Benzodiazepine. Triazolo version of Flunitrazepam.

Fluorolintane other other other dissociative A dissociative anaesthetic also known as 2-FPPP, very little is known about this obscure and rare drug. Reported by some to be stimulating, having effects similar to other dissociative drugs such as PCP and ketamine.

Fluorophenibut other depressant other An anxiolytic analogue of GABA and Phenibut, with similar activity to the latter. Expected to be 5-10 times as potent as phenibut, some preliminary reports suggest tolerance builds more slowly.

Flurazepam benzo other depressant Benzodiazepine with an extremely long half life, between 40 and 250 hours. Mainly used for general anxiety disorder. Sedating, hypnotic, anxiolytic. Potential for amnesia and reduced inhibitions in overdose.

Flutazolam benzo other depressant A benzodiazepine derivative. It was invented in Japan, and has mainly stayed in that area. Similar potency to Diazepam, yet produces a more marked sedation and impaired coordination. Usually used as a treatment for Insomnia. A hypnotic and sedative which may cause amnesia and lowered inhibitions in high doses.

Flutoprazepam benzo other depressant A potent benzodiazepine that is roughly 4-5x the potency of Diazepam and has a longer duration, rarely seen outside of Japan. Sedative, hypnotic and anxiolytic. May cause amnesia and loss of inhibitions in excess. Do not mix with other depressants.

Focalin stimulant other other The psychoactive isomer of methylphenidate, mostly used to treat ADHD. Twice as potent as methylphenidate, and is said to have cleaner psychostimulant effects with fewer side effects.

Furanylfentanyl other other other opioid depressant An extremely potent opioid analgesic and analogue of fentanyl. Concrete information is difficult to obtain about even basic properties like active dose, though it is believed to be slightly less potent and shorter in duration than butyrfentanyl. Exercise extreme caution. Will cause respiratory depression in overdose.

G-130 stimulant other other Stimulant that is related to Phenmetrazine. Nearly no information on dose or effects.

GABA depressant other Gamma-Aminobutyric Acid. Supplement used in calming some down. Does not pass the brain blood barrier.

GBL depressant other other A pro-drug to GHB whose rapid absorption leads it to have a faster onset and shorter duration. Used in a similar manner to GHB, as a less-toxic alternative to alcohol. Consume slowly instead of as a "shot" to hugely improve safety and reduce overdose risk.

GHB depressant other other A euphoric depressant which is prescribed as a sleep aid and sometimes to help with Alcohol detox. Also used as a recreational depressant, as a non-toxic alternative to Alcohol. Despite not having Alcohol's toxicity it is risky due to among other things inconsistent concentration in commonly sold solution form, and can be very dangerous if taken with other depressants.

Gabapentin depressant other depressant An analogue of GABA also known as Neurontin, originally developed to treat epilepsy. Commonly prescribed for neuropathic pain, it also has pronounced anxiolytic effects leading to its use in treating anxiety disorders.

Glaucine opioid other depressant other An alkaloid that is found in several different scpecies in the Papaveraceae family. It has antiinflammatory and antitussive effects. Can also be referred to as Yellow Horned Poppy.

Glutethimide depressant other Is a hypnotic sedative that was introduced in 1954, as a "safe" alternative to barbiturates to treat insomnia. Anecdotally long term use has had effects similar to withdrawal, while still on a stable dose of the drug.

HDEP-28 stimulant other other other Most likely a TRI, such as HDMP-28, short history of human use.

HDMP-28 stimulant other other other Also commonly known as methylnapthidate. A functional stimulant similar to methylphenidate but with a longer duration. Not especially recreational.

HOT-2 psychedelic other other A rather rare psychedelic phenylethylamine that is the hydroxylated version and prodrug for 2C-T-2.

HOT-7 psychedelic other other other A rather rare psychedelic phenylethylamine that is the hydroxylated version and prodrug for 2C-T-7.

HUPERZINE-A other other A compound that is extracted from the herbs of Huperziceae family. Is known as an acetylcholinesterase inhibitor, which stops an enzyme from breaking down acetylcholine which results in increases in acetylcholine. Is currently in preliminary trials for Alzheimer's.

Halazepam benzo other depressant A less common prescription benzodiazepine and derivative of Nordazepam. Also known as Paxipam, it is no longer prescribed in the USA. Sedating, hypnotic and anxiolytic. High doses may induce amnesia and lowered inhibitions.

Halothane depressant other A powerful inhalant anaesthetic generally used in a medical setting to induce unconsciousness, as a supplement with ketamine or fentanyl.

Heroin opioid other depressant other A powerful opioid derived from Morphine, with 2-4x its potency. Infamous for a high addiction potential and fatal respiratory depression in overdose, C. R. Alder Wright first synthesised this compound in 1874 trying to find a less addictive alternative to Morphine. In recent years, it has often been sold cut with the extremely potent fentanyl, causing a spike in overdose deaths.

Hexedrone stimulant other other other A rare mephedrone analogue also known as MACP, a cathinone stimulant with similar effects to pentedrone.

Hexen other stimulant other other A cathinone based stimulant. Hexen (aka Ethyl-Hexedrone) acts as an NDRI to produce it's effects, and as with most cathinones has a fast onset and short duration. This drug has very little history of human consumption and next to no research/data, and therefor should be treated with caution as a research chemical.

Hexobarbital other depressant other other Is a barbiturate that was once used for inducing anesthesia for surgery. It has a very rapid onset, and a short duration of effects.

Homomazindol stimulant other other other A potent analogue of mazindol, a rare, atypical stimulant drug and appetite suppressant occasionally prescribed in cases of severe obesity.

Homosildenafil other An analogue of sildenafil (viagra) with similar effects. Has been missold in certain 'herbal' blends and dietary supplements for sexual potency. Little is known about the pharmacology or safety profile of this drug in humans, potentially less potent than sildenafil.

Hydrocodone depressant opioid other depressant other A codeine-derived opioid generally unheard of outside the United States. Generally mild in effects, used as an analgesic and cough-supressant. Sometimes used recreationally.

Hydromorphone opioid other depressant An opioid that is roughly 5x the potency of IV Morphine. Only comes in IR tablets in the US, and is given mostly as XR in other countries. It is frequently used in hospitals for short, but immediate pain relief during procedures requiring the patient to be awake. Also frequently used as a recreational opiate.

Hydroxyzine depressant other An antihistamine drug commonly prescribed for anxiety, itchiness, nausea, and insomnia. Hydroxyzine has also been used to potentiate the analgesia of opioids as well as diminishing the negative effects of opioids, such as itchiness.

Ibogaine psychedelic opioid dissociative depressant An alkaloid found in many African plants most famously Iboga, with psychedelic and hallucinogenic properties. May be unpleasant. Traditionally used in tribal environments for coming-of-age rituals, it has recently been used as an alternative treatment for drug addiction although this usage has not been backed by conclusive data in humans. Has killed in overdose.

Ibuprofen other A ubiquitously available pain reliever/fever reducer. Ibuprofen is a nonsteroidal anti-inflammatory drug, available in many forms. It is sometimes used to reduce the body-load caused by certain drugs, such as stimulants.

Indapex psychedelic other other 5-MEO-TMT, one of Shulgin's lesser known creations. A psychedelic tryptamine little heard of outside of TiHKaL with very little known information about its effects on humans. May be particularly given to causing nausea.

Indapyrophenidone stimulant other other other Indane analogue of Pyrophenidone, a NDRI stimulant with a short duration.

Isomethadone opioid other other depressant Once a pharmaceutical drug also known as isoamidone, this opioid analgesic and methadone analogue was withdrawn from the market and is seldom seen today. Rarely abused, though reports state it is around twice as potent as methadone, and more euphoric.

Isophenmetrazine stimulant other other other Rare and little known analogue of phenmetrazine, which is slightly more potent than other analogues. Probably a stimulating, appetite supressing drug with high addiction potential. Potentially a dopamine and/or norepinephrine releasing agent.

Isopropylphenidate other other other stimulant IPPH (or incorrectly IPH) is a novel piperidine based methylphenidate analogue and NDRI stimulant, but comes with much less physical side effects.

Isoproscaline psychedelic other other A analogue of mescaline, and more closely related to proscaline.

Jenkem other other A hoax which began in online communities of a non-existent drug which was claimed to result from a process involving human waste. http://www.snopes.com/crime/warnings/jenkem.asp

KAVA depressant other Tropical evergreen shrub with large heart-shaped leaves and woody stems. Its thick roots are mashed or ground and made into a cold and bitter-tasting beverage used similarly to alcohol. It has a long history of ritual and recreational use in Pacific Polynesia and is now a common herbal product, used widely by those in certain societies as part of a 'Kava Culture.'

KHAT other stimulant A shrub whose leaves contain Cathinone and Cathine, they are mostly chewed for the stimulant effect they provide. Very long history of human use.

Kanna other depressant A South African plant containing numerous psychoactive alkaloids, including mesembrine and mesembrenone. The first written account of the substance was in 1662. The pharmacology of these compounds is poorly understood, but they are suspected to be serotonin uptake inhibitors and potentially monoamine releasers. Said to suppress appetite, produce mild euphoria and reduce anxiety.

Ketamine dissociative other other A short acting dissociative anaesthetic and hallucinogen commonly used in emergency medicine. It is the prototypical dissociative, and is widely used at sub-anesthetic doses recreationally. Small doses are comparable with alcohol, while larger doses are immobilising and lead to psychedelic experiences: the "K-Hole."

Ketazolam depressant other Benzodiazepine derivative that has most of the common benzodiazepine effects. Has been seen to have similar effectiveness when compared to Diazepam, with milder side-effects. Is marketed in few countries.

Ketobemidone opioid other depressant An opioid analgesic drug that also acts as an NDMA antagonist. Found to be as potent as morphine in physical side effects, and has high potential for addiction like all opioids do. Overdose may lead to respiratory depression/death. Do not mix with CNS depressants or stimulants. Caution should be used for asthmatic users.

Kratom opioid stimulant other depressant other A drug made out of the leaves of Mitragyna Speciosa, which is related to coffee. Stimulating at lower doses, with opioid effects at higher doses. Frequent heavy use can cause physical addiction and withdrawals.

L-THEANINE other other An Amino acid that is structural similar to Glutamine. Most report it as a relaxing agent without much sedation. Most commonly found tea. Usually mixed with Caffeine.

LSA psychedelic other A chemical found in Morning Glory and Hawaiian Baby Woodrose seeds, which are often legally available. Has mental effects similar to LSD, although with almost no visual effects. It is famous for being very nauseating, and for causing excessive time dilation at higher doses.

LSD psychedelic other LSD is a popular psychedelic with a relatively long history of use and research, and as such is known to be relatively safe despite its extremely high potency. It is the archetypical psychedelic to which all others are compared, and remains in popular usage.

LSM-775 psychedelic other other Psychedelic of the lysergamide class, less potent by weight and produces a rather mild, dreamy and even sedating trip compared to its bigger brother LSD.

LSZ psychedelic other A lysergamide very similar to LSD usually distinguishable only by its shorter duration, though some subjective reports have noted it may be slightly more introspective and slightly less confusing.

Librium benzo other depressant Chlordiazepoxide, a medium-acting benzodiazepine drug prescribed mostly for sleep purposes. Sedative and hypnotic, it may cause lowered inhibitions and amnesia in high doses.

Loprazolam depressant other Is an Imidazolobenzidazepine derivative that has all the classic benzodiazepine effects. Is usually only prescribed for a short amount of time for insomnia.

Lorazepam benzo other depressant other An intermediate acting benzodiazepine commonly known as Ativan, commonly prescribed as an alternative to Xanax. Sedating, hypnotic and anxiolytic. Potential to induce amnesia and lowered inhibitions in overdose. Do not combine with other depressants.

Lormetazepam benzo depressant other Relatively rare prescription benzodiazepine. Short acting with a short half life. Generally only seen in the Netherlands. Sedative, hypnotic and anxiolytic.

MBDB stimulant other other other other A rare entactogenic drug and analogue of MDMA possibly first synthesised by David Nichols. Potentially less potent than related drugs of its type. Sometimes referred to as a 'watered down MDMA.'

MBZP stimulant other other other A stimulant drug which is a derivative of BZP.

MCPP stimulant other other A phenylpiperazine stimulant first developed in the 1970s before being sold in the RC market, often mislabelled as MDMA. Said to have very unpleasant effects such as anxiogenesis and headaches.

MDA psychedelic stimulant other other other A stimulant and empathogen. Similar to MDMA but typically produces more visuals than MDMA. Known to be more neurotoxic than MDMA, and is a minor metabolite of MDMA. Duration and onset similar to MDMA. The common Marquis reagent test cannot differentiate MDA and MDMA.

MDAI psychedelic stimulant other other other A selective serotonin releasing agent which is rarely used without a stimulant to obtain desirable effects. Previously believed not to be neuruotoxic, however MDAI has been implicated in several lethal and non-lethal intoxications, and as such may pose more of a risk to health than previously believed.

MDEA stimulant other other A quite rare empathogen closely related to MDMA. Yet is less potent than the prior.

MDMA stimulant psychedelic other other other The world's most popular empathogen with powerful pro-social effects. Has been strongly linked to cognitive decline in excess. Popular at parties, it is often sold in powder or in pills, and may be adulterated with other similar chemicals.

MDOH stimulant psychedelic other other other other An entactogen, stimulant and psychedelic first synthesised by Alexander Shulgin, MDOH is an analogue of MDA. Described as highly psychedelic, it is likely a serotonin releasing agent. It has not seen widespread use, perhaps due to a number of reported negative side effects such as urinary retention and a heavy comedown.

MDPA other other other other An obscure substituted methylenedioxyphenethylamine with practically no history of human use. Its pharmacological profile is largely unknown, but potentially exhibits similar properties to other MDxx compounds. May be a monoamine releaser, reuptake inhibitor or both.

MDPV stimulant other other MDPV is a potent, and extremely compulsive synthetic euphoric stimulant, which shares some empathogenic effects with MDMA. Has a reputation for causing psychosis. MDPV has been found in products sold as "bath salts", "plant food/fertilizer", and in some "ecstasy."

MEM psychedelic other other A rare stimulant, psychedelic and amphetamine discovered by Alexander Shulgin. Related to the DOx class of drugs, little is known about this obscure compound's pharmacology, however it is likely to be potent and have a long duration.

MET psychedelic other other A rare psychedelic tryptamine, related to DMT and DET. Little information exists about the effects or pharmacology of this drug.

METHOXYACETYL-FENTANYL depressant other other opioid A quite potent fentanyl analogue.

MK-801 dissociative other other other Dissociative research chemical similar to PCP, and Ketamine. Dizocilpine, also known as MK-801, is a non-competitive antagonist of the NMDA receptor.

MPA stimulant other other An analogue of methamphetamine with effects close to amphetamine. Some users report negative side effects including stomach discomfort and sweating. Acts as a selective NDRI.

MT-45 opioid other other depressant A synthetic opioid drug that was rumoured to be roughly 80% the potency of Morphine orally. Was created by Dainippon Pharmaceutical in the 1970's. It has been used as a lead compound for the design of related substances. It has been associated with hearing loss and hair loss. Structurally unrelated to most other opioid drugs. Treat with caution, especially long term use.

MXE dissociative other other A popular dissociative drug which is an analogue of ketamine, though less sedating and more potent by weight, with a subjectively more 'complicated' set of effects.

MXM dissociative other other An arylcyclohexamine, dissociative and anaesthetic closely related to methoxetamine, ketamine and PCP. It has seen some popularity among RC users, being advertised as an MXE replacement after its illegalisation in many parts of the world - however, users report a more stimulating experience closer to those caused by PCP and its analogues.

Marinol depressant other Synthetically created Δ9-THC, the main psychoactive ingredient in cannabis.

Mdphp stimulant other other other MDPHP aka 'Monkey-Dust' is a substituted cathinone and pyrovalerone which has been sold as an alternative to a-PHP and MDPV. Said to be less intense than MDPV with similar effects. MDPHP potency is said to vary widely, and there are reports of mixed composition batches containing other drugs. Very little is known about MDPHP in terms of toxicity, pharmacology and metabolism.

Mebroqualone depressant other other other A short acting analogue of Methaqualone, that is much more potent.

Meclonazepam benzo other depressant other A benzodiazepine related to clonazepam discovered by Hoffman-LaRoche in the 1960s. Potentially useful in treating schistosomiasis. Has been sold on the grey market as a recreational drug but has not seen widespread popularity.

Medazepam depressant benzo other Benzodiazepine derivative that has all of the classic benzodiazepine effects. Is a long-acting benzodiazepine drug (Half life of 36-200 hours) Is rarely prescribed in most countries. Is also a prodrug for Diazepam. Think of it as Desoxy-Diazepam if you'd like to.

Melatonin other other other A naturally occurring hormone produced in the body, which promotes sleep at certain times in the day based on the circadian rhythm. It is also commonly available as a drug to treat insomnia and promote a proper sleep cycle. It can be used to promote sleepfulness at the tail-end of drug experiences, though it is not particularly hypnotic.

Memantine dissociative other An NMDA-antagonist that if used recreationally can cause to a very prolonged "hole" lasting up to 16+ hours.

Mephedrone stimulant other other other A shortlived euphoric stimulant, developed as an analogue of MDMA, which was extremely popular in the research chemical scene before being banned. Commonly seen on street markets but rarer online. Very strong urge to redose compulsively.

Mephenmetrazine stimulant other other other other 4-Methylphenmetrazine is an empathogen of the phenylmorpholine class that seems to have a very rapid tolerance build up.

Mephtetramine other other Has a Phenpropylamine backbone like Methylphenidate. Seems barely active past negative physical effects. Only reports that include activity past the prior were mixing it with another substance.

Mescaline psychedelic other A psychedelic of the phenethylamine family. Found in psychedelic cacti that have long been used by peoples native to the Southwestern US and Mexico, including Peyote and San Pedro cacti, among others. Can be found as cactus pulp, as an extract from cacti, or as a synthetic substance created in a lab.

Metaclazepam other other depressant A benzodiazepine derivative. Which is mostly an anxiolytic substance, without strong hypnotic properties that most benzodiazepines have. Its active metabolite is N-desmethylmetaclazepam, which is the main metabolite. Slightly more effective as an anxiolytic than Bromazepam.

Metaxalone depressant Muscle relaxant, that is used to relieve pain from general pain, and other musculoskeletal conditions.

Methadone opioid other depressant other A synthetic opioid drug used as an analgesic and is often used in detoxification off of other opioids. As it has a much longer half-life.

Methallylescaline psychedelic other Mescaline analogue first synthesised by Alexander Shulgin, derived from and less potent than allylescaline. A psychedelic phenethylamine which causes stimulation, euphoria and hallucinatory experiences.

Methamnetamine psychedelic stimulant other other other other A selective serotonin releaser, which also shows some light psychedelic activity. Almost always taken with a stimulant, to cause euphoric effects.

Methamphetamine stimulant other other A fairly common and very strong CNS stimulant. It is sometimes prescribed in the form of desoxyn for ADHD and severe obesity. In low doses, methamphetamine can elevate mood, increase alertness, concentration, energy and reduces appetite. At higher doses, it can induce mania, psychosis and muscle degeneration among other issues. Tolerant users may report much higher doses than new users.

Methaqualone depressant other A pharmaceutical depressant and sedative phased out due to the better safety profile of benzodiazepines, part of the Qualone group of substances. Now very rare, except in South Africa.

Methedrone stimulant other other BK-PMMA Closely related to PMMA and others. Stimulant.

Methoxphenidine dissociative other other other A dissociative from the diarylethylamine class, a more potent analogue of diphenidine. Known to be unpredictable, and can cause blackouts.

Methoxyketamine dissociative other other An arylcyclohexylamine drug and analogue of ketamine, though slightly less potent. Produces similar dissociative and anaesthetic effects. Very rare.

Methoxypiperamide other other Drug of the Piperazine class. The 4-Methoxy-α-keto analogue of Methylbenzylpiperazine. Seemingly inactive on its own. Was sold in tandem with Mephtetramine.

Methylmethaqualone depressant other other A more potent analogue of methaqualone with a short duration. Thought to be potentially neurotoxic. Has pro-convulsive effects.

Methylmorphenate stimulant other other other Stimulant of the phenylmorpholine class, an analogue of Methylphenidate where the piperidine ring has been replaced by a morpholine one, with ~1/10 potency.

Methylone stimulant psychedelic other other other other βk-MDMA is a cathinone stimulant and empathogen, similar in structure to MDMA, though more stimulating and less empathogenic in comparison. Was very commonly mis-sold as MDMA on the street until it was banned in 2013. The Marquis reagent can differentiate βk-MDMA from MDMA. Less potent than MDMA with a slightly shorter duration.

Methylphenidate stimulant other other A psychostimulant commonly used in the treatment of ADHD, narcolepsy and obesity, particularly in the EU instead of Adderall. Methylphenidate is also a 5HT1A receptor agonist. Sometimes prescribed off-label to help the withdrawals from cocaine and other stimulants.

Methyprylon depressant other other Sedative of the pipeidinedone family. Was used for treating insomnia, yet is rarely used today due to substances with fewer side effects, such as benzodiazepines.

Metizolam benzo other depressant other other Also known as desmethyletizolam, a thienodiazepine similar in effects and structure to etizolam, but around half as potent and with around a 60% longer half-life. A sedative, and hypnotic, it may cause amnesia and lowered inhibitions in excess.

Mexamine psychedelic other 5-Methoxytryptamine, a tryptamine derivative that naturally occurs in the body at low levels. No evidence of recreational use. Apparently enhances dreams.

Mexazolam depressant other Benzodiazepine derivative that has been trialed for anxiety and was found to be effective for anxiety at one week week follow-ups yet after three weeks it had lost its therapeutic anxiolytic properties and becoming no more effective than placebo.

Mexedrone other stimulant other other other Mexedrone is a stimulant drug of the cathinone class. It alters the reuptake of serotonin, dopamine, and norepinephrine to cause euphoria, and is similar in effects to mephedrone. It is considered a designer drug and is in a legally grey area globally.

MiPT psychedelic other other N-Methyl-N-isopropyltryptamine, a tryptamine analogue of DMT, a very uncommon drug with very few reports of human use. Described as 'more psychedelic than hallucinogenic' users report only mild visuals with some stimulation and cognitive effects. One of the more stable tryptamines.

Midazolam benzo other depressant A common hypnotic, sedative and anxiolytic benzodiazepine. High doses may cause amnesia and loss of inhibitions. Unusually, it is water soluble, and commonly used as a premedication for sedation as the solubility makes it better for IV use than other benzodiazepines.

Moclobemide other A reversible MAOI which is prescribed to treat depression and anxiety. Its reversibility and short-acting length of effects often means it is used in "pharmahuasca" preparations.

Modafinil stimulant other other other A wakefulness promoting, long acting stimulant which is typically only used functionally, because there is no real euphoric component to its effects. Also prescribed for daytime sleeping disorders.

Morpheridine opioid depressant other other Is a 4-Phenylpiperidine derivative that is related to Pehidine. It is roughly 4x as potent as the parent compound, does not cause convulsions such as Pethidine.

Morphine opioid other other depressant The prototypical opioid drug, a powerful analgesic with euphoric qualities, found in the seeds and wax of the plant papaver somniferum (opium poppy). First isolated by Friedrich Sertürner in 1805, named for its sleep-inducing qualities. Do not combine with other depressants, may cause dangerous respiratory depression in overdose.

Mushrooms psychedelic other Fungi containing psilocybin, a prototypical psychedelic with similar effects to LSD, but with a shorter duration; also considered as being more confusing, introspective and entheogenic. Usually refers to psilocybe mushrooms rather than Amanitas, which have different effects. Are considered physically safe if properly identified, which should always be done by an expert.

NEB stimulant other other N-Ethylbuphedrone, an uncommon substituted cathinone. First appeared around 2011 but has not become popular. Effects should somewhat resemble other cathinones generally. Short-acting stimulating with more dopamine action than serotonin.

NM-2-AI stimulant other Stimulant that is in the aminoindane class. Is it quite close to it's bigger brother 2-AI. Yet this has a lower potency, has a longer duration though.

Naphyrone stimulant other other A drug derived from pyrovalerone which acts as a TRI, produc