Source Naturals Grape Seed Extract is a powerful plant product from whole grape seeds. The procyanidins in grape seed extract are a special class of water-soluble bioflavonoids that are excellent free radical scavengers that have been shown to support circulatory health. Preliminary research suggests that the antioxidant protection of grape seed extract may support a healthy aging brain, and play an important role in maintaining good health. Please contact our in-house support if you have any questions.