Pycnogenol(R) and Grape Seed Extract is a potent combination of two powerful natural antioxidants - Pycnogenol(R), extracted from French maritime pine bark (Pinus maritima), and Proanthodyn(TM), extracted from grape seeds (Vitis vinifera). Both extracts contain proanthocyanidins, a special class of water-soluble bioflavonoids which are excellent free radical scavengers. Proanthocyanidins possess many properties that may be beneficial in maintaining good health.