Attention potential Olympians
In light of at least two track and field athletes receiving bans or suspensions there is an organization you need to be aware of.
The World Anti-Doping Agency (WADA; French: Agence mondiale antidopage, AMA) is a foundation initiated by the International Olympic Committee based in Canada to promote, coordinate and monitor the fight against drugs in sports. The agency's key activities include scientific research, education, development of anti-doping capacities, and monitoring of the World Anti-Doping Code, whose provisions are enforced by the UNESCO International Convention against Doping in Sport. The aims of the Council of Europe Anti-Doping Convention and the United States Anti-Doping Agency are also closely aligned with those of WADA.
They publish lists of banned substances called the Prohibited List. It is updated yearly and is available
online . You need to know that use of anything on this list may disqualify you from competition, regardless of local laws. Note national sports governing bodies may ban other items but WADA will be overseeing international events.