21/10/2026
UK Anti-Doping have published the 2027 Summary of Changes to the Prohibited List 📋
Below is a brief summary of the major changes for 2027:
❌S0. Non-Approved Substances
Wording has been updated to clarify that peptides under clinical development are prohibited if they also fulfil the World Anti-Doping Code criteria for inclusion on the List. If you are in doubt over the anti-doping status of a non-approved peptide, contact [email protected].
🚨S8. Cannabinoids
It’s been clarified that only tetrahydrocannabinol (THC) and other semi-synthetic and synthetic cannabinoids that mimic the psychoactive effects of Δ9-THC will be prohibited in-competition.
✅S9. Glucocorticoids
The vaginal administration of glucocorticoids will be permitted in 2027.
📖Additional examples
New examples of prohibited substances have been added to two sections of the List.
For more information, visit UKAD’s website:
🔗https://www.ukad.org.uk/news/2027-prohibited-list-summary-changes