Includes Pycnogenol and Grape Seed Extract Suitable for Vegetarians Antioxidant Dietary SupplementSolgar"s Advanced Proanthocyanidin Complex is a blend of nature"s plant and herb proanthocyanidinsn plus bioflavonoids, catechins and other natural flavonoids and polyphenols. This formula focuses on two proanthocyanidins, Pycnogenol/pine bark extract and grape seed extract.