Medical cannabis has been legal in the UK since 2018, though access remains...

https://wiki-legion.win/index.php/How_Long_Does_It_Take_to_Get_a_Prescription_After_Approval_in_the_UK%3F

Medical cannabis has been legal in the UK since 2018, though access remains strictly controlled. You will need a specialist assessment and clear records of two prior treatments. Many patients now use private clinics to access the care they need.