Even if a supplement is legal to buy, substances like androstenedione and its related precursors are strictly prohibited by the World Anti-Doping Agency (WADA) , the NCAA, and most professional sports leagues. Summary of Where to Find It
Companies like Cayman Chemical and Biosynth sell it specifically for analytical laboratory use. where to buy androstenedione
These products usually contain different compounds, such as DHEA derivatives , which may still be legal as dietary supplements but are not the original androstenedione. Even if a supplement is legal to buy,