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 and triacontanol. Animal and in vitro research has shown that these compounds may support the cardiovascular system and inhibit lipid peroxidation as well as support macrophage activity.*