Resveratrol: We offer 100% Trans-Resveratrol 20%, 50%, 98% HPLC from Giant Knotweed and 5% resveratrol from Red Grape Skin. Pure plant extract. Specification List: Product Name Active Ingredient Specifications Test Method Origin Resveratrol Trans-resveratrol 20%, 50%,98% HPLC Giant knotweed Resveratrol Resveratrol 5% HPLC Red grape skin Resveratrol has several activities that may accout for its possible cardio protective action. These include inhibition of the oxidation of low-density lipoprotein (LDL), inhibition of smooth muscle cell proliferation and inhibition of platelet aggregation. Resveratrol has also been found to reduce the synthesis of lipids in rat liver and to inhibit the production of proatherogenic eicosanoids by human platelets and neutrophils. Effects: Antibiotic antivirus, anti tumor, resists the hepatitis, suppresses the agglutinate production with plain B2 of thrombus of blood platelet. It can prevent low density fat albumen from oxidize, have potential prevention and cure cardiovascular disease, gives protection against cancer, antivirus and immune regulating action, its function is shown as its anti-oxidant characteristic mainly.