03 Jan 2025

The 2025 List of Prohibited Substances and Methods (List) and the 2025 Monitoring Program enter into force on 1 January 2025. 

The List is one of the eight International Standards that are mandatory for all Signatories of the World Anti-Doping Code  (Code). It designates what substances and methods are prohibited both in- and out-of-competition and which substances are banned in particular sports. 

Major modifications for 2025

As outlined in the 2025 Summary of Major Modifications and Explanatory Notes, the major modifications for 2025 include the following:

• Further examples were added to the following substance classes to help athletes and their entourage better identify prohibited substances:         
• S0. Non-approved substances,
• S4. Hormone and metabolic modulators,
• S5. Diuretics and masking agents, and
• S6. Stimulants.
• The dosing intervals of formoterol have been changed, though the maximum daily delivered dose remains the same.
• Donation of blood and blood components including by apheresis are no longer prohibited if performed in an accredited collection centre.
• Hydrafinil is now classified as a non-specific stimulant.
• It is clarified that guanfacine is not a prohibited substance.
• Beta-blockers are no longer prohibited in any skiing and snowboarding disciplines.