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

https://wiki-planet.win/index.php/What_is_the_Role_of_a_Regulated_Pharmacy_in_Medical_Cannabis_Prescriptions%3F

In the UK, medical cannabis prescriptions start with a specialist assessment, usually at a private clinic since NHS options are rare. If suitable, a prescription is issued and filled through a regulated pharmacy to ensure quality and safety