In the UK, medical cannabis prescriptions start with a specialist...

https://elizabethsbrilliantnews.almoheet-travel.com/how-does-a-regulated-pharmacy-supply-medical-cannabis-in-the-uk

In the UK, medical cannabis prescriptions start with a specialist assessment—usually through private clinics, as NHS prescriptions are rare. If approved, you’ll get your medicine from a regulated pharmacy to ensure quality and safety