Webber Naturals Extra Strength Grape Seed 100:1 Extract provides 100 mg of grape seed extract per capsule, standardized to 95% polyphenols and 80% oligomeric proanthocyanidins. This supplement helps relieve symptoms of chronic venous insufficiency (CVI) such as swelling, heaviness, and tingling in the legs, and supports night vision. A powerful source of antioxidants, it is non-GMO, vegan, and free from artificial additives. Take 2–4 capsules daily for a minimum of 1 month. NPN: 80021265.