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This is the man who glugged his way through 10 cans of Coca-Cola a day – and piled on TWO STONE in just a month.

Super-fit George Prior set himself the fizzy challenge to show the effects of the amount of sugar in the world's most popular drink.

And in just 30 days, George, 50, was transformed from boasting a healthy and muscular physique to sporting a pot belly, love handles and moobs.

As well as piling on the pounds, the married father-of-two feared he was becoming addicted to Coke after experiencing intense cravings.

He was consuming 900 extra calories and 250g of sugar every day.

(Image: Mercury Press)

George, who lives in Los Angeles, said: "I'm urging people to examine the amount of sugar in their diets. People need to be aware of the real and powerful damaging effects of sugar on their health.

(Image: Mercury Press)

"The most dramatic change was in weight: 23 pounds of gain over 30 days. I also seemed to develop a craving for Cokes, or other sugars, during the time I was drinking Cokes.

"My blood pressure went up, from 129/77 at the beginning to 145/96 at the end."

George said he weighed 12 stone at the beginning of his health experiment at the end of October. By late November he tipped the scales at a porky 14 stone.

During the month, George tried to stick to his normal healthy diet of meat and berries but said he found it hard to eat as much food because the Coke left him full at lunch and dinner times.

The BBQ accessory entrepreneur said: "I did it to get people thinking and talking about how much sugar they eat and how unhealthy it is.

(Image: Mercury Press)

"I would prefer not to do it again. I don't like being this heavy.

"The actual drinking of the ten Cokes got to be an irritating chore every day. There were a lot of visits to the restroom, a feeling of constant fullness, and a clutter of cans everywhere."

After George stopped drinking the fizzy soft drink he lost five pounds in four days.

He added: "Kids shouldn't drink Cokes. But then kids shouldn't drink juices, either, and that's going to be a very hard sell to parents who believe that juice is 'natural' or even 'organic'. It's sugar, and not only do kids not need it, it's bad for them.

"I think there are a lot of people suffering health problems like diabetes and heart disease, who aren't aware they could help themselves by just stopping sugar."

He also blasted Coca-Cola for their marketing techniques.

George said: "I'd like to see controls on the lobbying and spending of big corporations who sell sugar and don't want the government to tell people how bad it is."

Coca-Cola did not comment on George's experiment.