Buying Cough Syrup Online in the UK Cough syrup sold through UKPartyHeadShop.com primarily includes pharmaceutical formulations containing codeine and promethazine. Popularly known as “Lean,” “Purple Drank,” or “Sizzurp,” these syrups are powerful opioid-based medications used in scientific pharmacology research and addiction studies. Lean mixes codeine, an opioid analgesic, with promethazine, an antihistamine, to produce psychoactive […]

