Medical cannabis has been legal in the UK via private clinics since 2018....

https://finnfazr460.theburnward.com/navigating-medical-cannabis-how-to-talk-to-your-coach

Medical cannabis has been legal in the UK via private clinics since 2018. Eligibility depends on diagnosed conditions and prior treatment failures. If you are a competitive athlete, take care because WADA still bans THC in-competition. Always research.