Antioxidants in grape seed help you maintain healthy blood pressure and improve your circulation. They help to improve blood flow and strengthen your blood vessels especially the vessels experiencing chronic venous insufficiency or varicose veins. Our grape seed Extract capsules are 100% pure. pullulan capsules shells are used making these amazing capsules vegan & vegetarian friendly. Each capsule is equivalent to 54,000mg and provides 90% polyphenols and 95% proanthocyanidins.