Policosanol is a blend of long-chain alcohols taken from sugar cane or beeswax. Supplement makers promote it for cholesterol support, but the clinical evidence remains mixed and unconvincing overall.
Most people take a single daily dose with a meal. You will often find it inside multi-ingredient heart health formulas.
No well-documented drug interactions are known. Pregnant or nursing people, and anyone with a health condition, should talk to a doctor before starting.