Any one know much about body building...?

Dont worry guys im not planning to become a body builder...my guns are big enough as it is!
Na i have just started seeing this guy who is seems pretty into it, he does weights and goes to the gym almost everyday, which seems a pretty healthy thing to do. But he has just started his 2nd cutting cycle (where you get rid of all body fat so muscles show up alot better) and some of the things he is doing and taking cant be good for him....
Does anyone here know much about it....cant help but think some of the methods to drop all body fat are a bit extreme and unsustainable.
(ps....girls im not complaining, he is buff as!)

Na i have just started seeing this guy who is seems pretty into it, he does weights and goes to the gym almost everyday, which seems a pretty healthy thing to do. But he has just started his 2nd cutting cycle (where you get rid of all body fat so muscles show up alot better) and some of the things he is doing and taking cant be good for him....
Does anyone here know much about it....cant help but think some of the methods to drop all body fat are a bit extreme and unsustainable.
(ps....girls im not complaining, he is buff as!)