What do you mean by exercise? I'm guessing you mean HST where your body is stimulated to gain muscle?[b said:Quote[/b] (Chupacabra @ Nov. 03 2003,1:01)]Once you account for vital metabolic processes (making sure your organs work), calories can go towards two processes - building/maintaining LBM and building/maintaining fat stores.
Depending on genetics, exercise (these are the big two), supplement use, and macronutrient intake, your body will tend to preferentially use calories towards one or the other process.
n.b. - this is assuming you're natural. Drugs change everything.
Legally speaking they're supplements but ephedrine and caffeine are both drugs.[b said:Quote[/b] (Andy741 @ Nov. 04 2003,12:31)]Is an ec stack a drug or a supplement?