The actor considered experimenting with the substances when he was trying to build up his physique for roles in 'Batman Begins' and 'American Psycho'.
He admitted: "I was lifting really heavy weights that I could never dream of lifting now and probably never will again. A number of people have said, 'You could never have done that without some kind of steroids.' Not to say I wasn't tempted. When I was getting ready for 'American Psycho' I'd never been in a gym in my life and I was working out like crazy, so I thought, 'Maybe it ain't such a big deal, just take some 'roids' and I can speed up this whole process.' "
Christian was deterred from taking the drugs after being warned of potential side effects. He explained: "I called up the store where they're selling that sort of stuff and asked, 'Have you used it? And side effects?' 'No no. I mean, really minimal. Your balls might shrink and you might get acne.' I'm like, there's no way in hell I'm going to touch anything like that and damn those who think I did."
While he shunned illegal substances to transform his appearance, Christian did undergo cosmetic dental work - which he still regrets.
He added to Esquire magazine: "When I did 'American Psycho' I did fix my very English teeth, which I miss dearly. But Bateman couldn't have had the teeth I had. I kept a mould of my old ones because I did like them and knew I'd miss them."
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