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

https://dotimes.co.uk/medical-cannabis-in-the-uk-a-clear-guide-to-how-legal-prescriptions-work/

In the UK, medical cannabis prescriptions start with a specialist assessment to see if it's right for you. Most prescriptions come through private clinics, as NHS options are still rare. If approved, products are supplied by regulated pharmacies