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.
GENERAL
Testing
- Athlete Responsibilities and Failures to Comply
- Chaperones and their Role in Anti-Doping
- Declaring Medications
- Doping Control Officers (DCO) and What to Expect
- Dried Blood Spot Testing
- Important Questions to Ask During Testing
- InnoVero Sample Collection Equipment
- Pre-Competition Anti-Doping Checklist
- Registered Testing Pool
- Sample Collection
- Sitting Before Blood Sample Collection
- Testing Modifications
- Testing Selection Process
- Updater App
- Urine Sample Collection – 90 mL
- Whereabouts
- Whereabouts Failures
Supplements
- 5-Alpha-Hydroxy-Laxogenin
- All-Natural Supplements
- Athlete Biological Passport
- Calcium Supplements
- Caffeine
- Common Misconceptions about Supplements
- Compounding Pharmacies
- Creatine
- Energy Drinks
- Fish Oil Supplements
- Food v. Supplements
- Half-Life of a Drug
- High-Risk Supplements
- Ketones
- Low-Risk Supplements
- Magic Mushrooms
- Medications v. Supplements
- Melatonin
- Nitric Oxide
- NSF Certified for Sport Supplements
- Poppy Seeds
- Retesting Samples
- Screen your Supplements
- Supplements – Clean Sport Red Flag
- Supplement Legislation
- Supplement Myths
- Supplement Use – 3 Things to Know
- TUEs – 3 Things to Know
- Vitamin C Supplements
The Prohibited List – Substances and Methods
Non-Approved Substances
Anabolic Agents
- Anabolic Androgenic Steroids (AAS)
- Other Anabolic Agents
- Hypoxia-Inducible Factor (HIF) Activating Agents
- Erythropoieten (EPO)
- Insulin-like Growth Factor-1 (IGF-1)
- Peptide Hormones and their Releasing Factors
Beta-2 Agonists
Hormone and Metabolic Modulators
- SERMs
- Metabolic Modulators
Diuretics and Masking Agents
Narcotics
Chemical and Physical Manipulation
Gene and Cell Doping
Latest articles

What Do Athletes Need to Know About Creatine?
Most athletes have heard of creatine, but is creatine prohibited? Does creatine enhance performance? Find answers to these questions and more.

Substance Profile: Caffeine
Caffeine is currently on WADA’s monitoring list which means it is not prohibited but it may become an anti-doping issue in the future.

Athlete Advisory: 2021 Rules Now in Effect
Athlete are advised that the 2021 WADA Prohibited List and the 2021 World Anti-Doping Code are now in effect.

Athletes and Ketones: Frequently Asked Questions
For athletes subject to anti-doping rules, here are answers to some of the most frequently asked questions about ketones.

Athlete Advisory: Key Changes to the World Anti-Doping Code
While there are many changes reflected in the 2021 WADA Code, here are some of the key changes that athletes should be aware of below.

Substances of Abuse 101
New to the 2021 WADA Prohibited List is Substances of Abuse, which are substances prohibited in-competition and frequently abused in society.