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U.S. Anti-Doping Agency (USADA)

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Athlete Guide to Anti-Doping

USADA is continually updating and expanding its library of resources to ensure that athletes and athlete support personnel can easily access information about some of the most important topics in anti-doping. The directory below can be used to find various articles and materials, organized by category, from across the USADA website.

More questions?

For questions about testing, contact USADA’s Athlete Services Team at athleteexpress@USADA.org or call (719) 785-2000.

For questions about specific products, substances, and methods, contact USADA’s Drug Reference Line at drugreference@USADA.org or call (719) 785-2000, option 2.

Latest articles

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How to Reduce Your Risk from Supplements

If athletes choose to use supplements despite the known risks, USADA recommends that athletes use only dietary supplements that have been certified by a third-party program that tests for substances prohibited in sport. Based on a recent consensus statement, USADA now recognizes NSF Certified for Sport® as the program best suited for athletes to reduce the risk from supplements.

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Blood Doping and EPO: An Anti-Doping FAQ

Blood doping, which may include the use of erythropoietin (EPO), is among the most well-known methods of doping in sport. Learn more about the prohibited method, as well as the prohibited substance EPO, in this anti-doping FAQ.

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