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

https://zoom-wiki.win/index.php/Who_is_Allowed_to_Start_a_Prescription_for_Unlicensed_Cannabis_Products_in_the_UK%3F

In the UK, medical cannabis prescriptions start with a specialist assessment, usually at a private clinic, since NHS prescriptions are rare and strictly regulated. If approved, medicine is supplied through licensed pharmacies to ensure safety and quality