Source Naturals Policosanol, part of the Cholesterol Rescue™family of products, is a blend of compounds isolated from natural plant waxes. Policosanol contains several long-chain fatty alcohols, including octacosanol, hexacosanol & triacontanol. Animal & in vitro research has shown that these compounds may support the cardiovascular system & inhibit lipid peroxidation as well as support macrophage activity.