It is strictly prohibited by the World Anti-Doping Agency (WADA) , the NCAA, the International Olympic Committee (IOC) , and most major professional sports leagues.

Scientific evidence generally shows that androstenedione does significantly increase muscle strength or athletic performance in healthy men. Instead, it frequently leads to serious adverse effects: Androstenedione (a Natural Steroid and a Drug Supplement)

While some modern products use the name "Andro," they often contain different, unregulated chemicals like 4-DHEA or herbal ingredients like Tongkat Ali rather than actual androstenedione. Health Risks and Side Effects