NOW® Grape Seed Extract is a highly concentrated natural extract containing a minimum of 90% Polyphenols, including OPC's (Oligomeric Proanthocyanidins), the beneficial antioxidant compounds found in Grape Seeds. Grape Seed Extract & OPC's have been the subject of numerous scientific studies demonstrating their efficacy in the support of cardiovascular health & immune system balance. In addition, non-clinical studies have shown that Grape Seed Extract supports the function of healthy brain & nerve tissues.* Do Not Eat Freshness Packet. Keep in Bottle. As a dietary supplement, take 1 Vcap® 2 to 3 times daily with meals. Cellulose (capsule), Cellulose & Magnesium Stearate (vegetable source).