In the UK, medical cannabis for unlicensed specials is tightly controlled to...

https://mag-wiki.win/index.php/How_Do_UK_Regulators_Stop_%E2%80%98Corner_Cutting%E2%80%99_in_Medical_Cannabis_Supply%3F

In the UK, medical cannabis for unlicensed specials is tightly controlled to ensure safety and quality. The MHRA oversees the supply chain, requiring adherence to Good Manufacturing Practice and Good Agricultural and Collection Practice standards