I'm sick and tired of genetic predisposition ailments being blamed on Joe Weider.
I forgot that blacks have genetically higher kidney markers, they use a different scale for blacks at the doctors office, as well as higher incidence of kidney disease if I'm not mistaken.
I agree with Dorian for someone on steroids creatine is probably useless. Because as he says here your muscles by steroids with already be loaded with ATP. Probably from the increased blood volume, but maybe from some other mechanism
Creatine levels in muscles increase with steroids and Anavar is often cited as an example since there is a reference for it. I think many mistakenly thought this was exclusive to Anavar. I think creatine supps probably drive that up even higher so in that case a supp wouldn't be worthless. Also there might be other mechanisms, kind of like EPO could have added performance enhancing effects for a bodybuilder even though steroids already increase red blood cells.