Medical cannabis prescriptions in the UK start with a specialist assessment,...

https://elizabethsbrilliantnews.almoheet-travel.com/how-does-a-regulated-pharmacy-supply-medical-cannabis-in-the-uk

Medical cannabis prescriptions in the UK start with a specialist assessment, usually through private clinics, as NHS prescribing is very rare. If approved, medication is supplied via regulated pharmacies to ensure safety and quality