NOW Foods Grapeseed Extract is a highly concentrated 100 mg extract with a minimum of 90% polyphenols (OPCs) for antioxidant support. Vitamin C is added to enhance protection against oxidative stress. May help support the health of vascular, bone, kidney, and brain tissues by supporting a healthy immune response to normal oxidative and metabolic stress. Each bottle contains 200 vegetarian capsules, suitable for vegetarians and gluten-free. Take 1 capsule twice daily with meals.