The UK medical cannabis supply chain involves unlicensed specials carefully...

https://lima-wiki.win/index.php/Why_Do_Some_People_Assume_Medical_Cannabis_Is_Not_Traceable_in_the_UK%3F

The UK medical cannabis supply chain involves unlicensed specials carefully produced under MHRA oversight. Cultivation follows Good Agricultural and Collection Practice to ensure quality. Manufacturing meets Good Manufacturing Practice standards