The active constituents in green tea are polyphenols, with an antioxidant called epigallocatechin-3-gallate (EGCG) being the most powerful. The antioxidant activity of EGCG is about 25-100 times more potent than vitamins C and E.16 One cup of green tea may provide 10-40 mg of polyphenols and has antioxidant effects that are greater than a serving of broccoli, spinach, carrots, or strawberries. The botanical extract in Mega Green Tea Extract has been concentrated and dual standardized to ensure the highest quality, consistency and biological activity. This advanced extract contains 98% total polyphenols (710.5 mg per capsule) and 45% Epigallocatechin gallate (EGCG) (326.25 mg per capsule). References Supplement Facts Serving Size 1 capsule Servings Per Container 100 Amount Per Serving Green Tea (Camellia sinensis) Extract (leaf) 725 mg [std. to 98% polyphenols by UV (710.5 mg), 45% EGCG by HPLC (326.25 mg)]