It's very believable I have a guy who comes to my store named rick, dude weighs about 215 5%bf (NOT KIDDING) year round, works his ass off though. HUGE ARMS very very thick his genetics are CRAZY on prohormones he gets up to 220 and looks INSANE huge huge veins and shit, on just a little juice he would be a competitive pro. Probably would be competitive around 225 as a pro and I'm not kidding. For as blessed as he is he can't be the only one, and surely there has to be guys even more blessed.