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

https://research-wiki.win/index.php/Why_do_people_say_the_truth_about_UK_prescriptions_sits_%27in_between%27_the_extremes%3F

In the UK, medical cannabis prescriptions start with a specialist assessment, usually at a private clinic, as NHS approvals are rare. If prescribed, your medication comes from a regulated pharmacy to ensure safety