Tweetit's a good drug for strength and maintaining muscle mass when dieting. that's about it really.
it's seriously toxic. i took it for 6 weeks at 25mg a day many, many years ago. it was kind of a waste considering that i wasn't dieting. i didn't get jaundice or anything like that... but i'm sure my liver values were up.
honestly it's only use in bodybuilding is during the dieting phase, when you would use it along with other "hardening" drugs while dieting down the last 4-6 weeks before a show.
it would also be useful for powerlifting as well.
it's not all that great really- there are better, safer drugs that will do the same thing. unless it was really, REALLY cheap i'd pass...
my 2p