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

https://www.toro-bookmarks.win/since-2018-the-uk-has-regulated-medical-cannabis-as-a-prescription-medicine

Since 2018, the UK has regulated medical cannabis as a prescription-only medicine available through specialist doctors. The National Institute for Health and Care Excellence (NICE) offers evidence-based guidance to support safe prescribing