In the UK, medical cannabis is strictly the domain of specialists on the GMC...

https://www.bookmark-xray.win/unlike-canada-s-retail-led-approach-uk-medical-cannabis-access-is-strictly

In the UK, medical cannabis is strictly the domain of specialists on the GMC register; your local GP cannot prescribe it. While the NHS theoretically allows access, it is functionally limited to private clinics for most patients