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

https://rafaelsgreatinsights.cavandoragh.org/what-is-the-role-of-a-regulated-pharmacy-in-medical-cannabis-prescriptions

In the UK, medical cannabis prescriptions start with a specialist assessment to see if it's suitable for you. Most prescriptions come from private clinics, as NHS prescriptions are rare. If approved, medication is supplied through regulated pharmacies