Artichoke 500 Extract is standardized to contain 5% total caffeoylquinic acids. Clinical research has documented the following beneficial properties of artichoke extract: Liver Function - Protects glutathione levels.* Stimulates liver activity by promoting circulation within the liver.* Cardiovascular Function - Inhibits oxidation of LDL cholesterol and increases healthful levels of HDL (protective) cholesterol.* Digestion - Stimulates synthesis of bile; a product of the liver that supports detoxification and the absorption of fat-soluble nutrients.* Keep out of the reach of children.