Fresh or aged, garlic extracts contain compounds such as diallyl and allyl propyl disulfides with potent antioxidant, cholesterol-lowering properties; regular ingestion may be preventative for atherosclerosis and cardiovascular diseases. Synonym: Allium sativum extract.

Currently, garlic is most commonly promoted as a dietary supplement for conditions related to the heart and blood vessels, including high blood cholesterol and high blood pressure. Fresh garlic, garlic powder, and garlic oil are used to flavor foods. Garlic may be used topically.