Originally Posted by
Carbonfiberboy
I dislike disagreeing with you, but . . .Actually there are performance-enhancing supplements that are the same as what your body produces:
Creatine
CoQ10
various NO2 substrates
I'll go with the research on this one.
There is nothing ergogenic/performance-enhancing that you can take that is not illegal, save for caffeine and possibly beta-alanine.
If it were, every one would be on it (and so would WADA).