Nutricost Grape Seed Extract contains 28,000 mg equivalent of grape seed extract (from 400 mg of Grape Seed 70:1 extract) in each serving. Each bottle contains 240 servings, so 1 bottle can last up to 8 months if taken according to recommended dosage. This supplement is gluten free, non-gmo, and vegetarian friendly. All Nutricost products are manufactured in Gmp complaint, Fda registered facilities and each batch of every product is tested by independent, Iso-accredited laboratories to insure safety and quality.