Skyherb is a Kosher, ISO, FoodGMP and QS certificated leading manufacturer of botanical extract in China. We keep researching and producing Grape seed extract for many years and can provide our customers high quality product in large quantity. SPECIFICATION: Source: Vitis Vinifer Active Ingredients: Polyphenols, Proanthocyanin -Proanthocyanidins: 95 -Polyphenols: 80% , 85% , 90% DESCRIPTION: Shelf Life: 36 Months Packing: 25kgs/ drum Lead Time: In stock Price Terms: T/ T, L/ C at Sight Inner packing: 25kg/ double-layer aluminum foil bag Outer packing: Fiberboard drums Also can according to customer' s demands. FUCTION: Grape seed is considered to be an exceptionally powerful antioxidant and is said to help protect the entire body as one of the most effective free-radical fighters ever discovered. Of all the herbal supplements, Grape seed ranks at the top of the list in supporting vascular health and promoting healthy cardiac function by strengthening blood vessels, increasing blood circulation, lowering cholesterol and reducing platelet aggregation ( clots) in the blood.