In the UK, medical cannabis prescriptions begin with a specialist...
https://victor-wiki.win/index.php/What_Are_the_Most_Common_Myths_About_Medical_Cannabis_Prescriptions_in_the_UK%3F
In the UK, medical cannabis prescriptions begin with a specialist assessment—usually at a private clinic, as NHS prescriptions are rare. If approved, medication is supplied through regulated pharmacies to ensure safety and quality