The life of a movie star becomes increasingly unglamorous when you start looking more closely at what is required by each role.

Directors and actors want performances to be as authentic as possible which often means going to extreme measures: putting on weight to play a heavier person, method acting ala Sacha Baron Cohen that requires living in character for months - to the great umbrage of your long suffering spouse, or snorting powder to play a drug addict. Jonah Hill found himself in the latter category for The Wolf of Wall Street, a role that involved so much fake drug taking he says he was hospitalised with bronchitis.

“If you ingest that much matter into your lungs you’ll get very sick, and we were literally doing fake coke for, like, seven months, every day," he told his Any Given Wednesday host Bill Simmons.

The Wolf of Wall Street: Most outrageous quotes Show all 7 1 /7 The Wolf of Wall Street: Most outrageous quotes The Wolf of Wall Street: Most outrageous quotes "My Ferrari was white—like Don Johnson's in Miami Vice—not red" Paramount Pictures The Wolf of Wall Street: Most outrageous quotes "I’ve been a poor man, and I’ve been a rich man. And I choose rich every f*****g time." Paramount Pictures The Wolf of Wall Street: Most outrageous quotes "I take Quaaludes 10-15 times a day for my back pain. Adderall to stay focused. Xanax to take the edge off, pot to mellow me out, cocaine to wake me back up again, and morphine...Well, because it's awesome" Mary Cybulski/AP The Wolf of Wall Street: Most outrageous quotes "My name is Jordan Belfort, the year I turned 26, I made $49 million, which really pissed me off because it was three shy of a million a week" (Leonardo Dicaprio pictured as Belfort in The Wolf of Wall Street) Paramount Pictures The Wolf of Wall Street: Most outrageous quotes "“I had lots of nicknames: Gordon Gekko, Don Corleone, Kaiser Soze; they even called me the King. But my favourite was the Wolf of Wall Street" Paramount Pictures The Wolf of Wall Street: Most outrageous quotes "Money doesn't just buy you a better life, better food, better cars, better p***y – it also makes you a better person"(Pictured: Jordan Belfort, the real Wolf of Wall Street) GETTY IMAGES The Wolf of Wall Street: Most outrageous quotes "Act as if! Act as if you're a wealthy man, rich already, and then you'll surely become rich" (Pictured: Jordan Belfort, the real Wolf of Wall Street) Michael Loccisano

In this case, the fake substance was vitamin D powder, which Hill claims did have some beneficial effects.

“I never had more vitamin D in my entire life - I think I could have lifted a car over my head.”