Since 2018, the UK has regulated medical cannabis as a prescription-only...

https://www.hotel-bookmarkings.win/since-2018-the-uk-has-allowed-specialist-doctors-to-prescribe-medical-cannabis

Since 2018, the UK has regulated medical cannabis as a prescription-only medicine, available through specialist doctors. Guidance from the National Institute for Health and Care Excellence (NICE) supports evidence-based prescribing