U.S. Anti-Doping Agency (USADA)

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Drug Reference Phone Line

Speak to an Expert

USADA’s Drug Reference Line® provides a personal resource to understanding prohibited substances based on the WADA Prohibited List. An expert is available to answer questions about the status of a substance; Therapeutic Use Exemptions (TUE); and how that process can be started or carried out. The resource is available Monday-Friday, 8 a.m. to 5 p.m. MST. If you reach our voicemail during office hours, please leave a detailed messaged and we will call you back as soon as possible.

(719) 785-2000

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Not able to make a phone call? Email the drug reference team at drugreference@USADA.org.

Other Drug Reference Resources

Global DRO

Search the Status of Medications Online
  • Search by name brand or generic ingredient
  • In- and out-of-competition status specific to sport
  • Threshold substance information

Supplement Connect

The use of dietary supplements is at your own risk.  Learn more about dietary supplements and how to reduce your risk if you choose to use them.

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