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Know Your List

Prohibited Substances

The 2026 Prohibited List

The Prohibited List identifies the substances and methods prohibited in-competition, out-of-competition, and in particular sports. It is an International Standard updated annually by the World Anti-Doping Agency (WADA). Athletes are strictly liable for any prohibited substance found in their body.

Download the Official List

Effective from January 1, 2026

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Summary of Categories

Substances & Methods Prohibited At All Times

  • S0 Non-approved substances
  • S1 Anabolic Agents
  • S2 Peptide Hormones, Growth Factors
  • S3 Beta-2 Agonists
  • S4 Hormone and Metabolic Modulators
  • S5 Diuretics and Masking Agents
  • Prohibited Methods:
  • M1 Manipulation of Blood & Components
  • M2 Chemical and Physical Manipulation
  • M3 Gene and Cell Doping

Substances Prohibited In-Competition

  • S6 Stimulants
  • S7 Narcotics
  • S8 Cannabinoids
  • S9 Glucocorticoids

* "In-Competition" usually begins 11:59 p.m. on the day before a competition.

Key Changes for 2026

  • Carbon Monoxide (M1.4): Non-diagnostic inhalation is now a prohibited method.
  • Anabolic Agents (S1): Clarification that esters of testosterone are prohibited.
  • Salmeterol (S3): Dosing intervals updated (max 100mcg per 8 hours).
  • Beta-blockers (P1): Prohibition in skiing/snowboarding events removed/modified.

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