Herbal Supplement. Certified Potency. 333 mg Extract per capsule; 50 mg Polyphenols. Certified Potency Green Tea-Power is the highest quality‚ most potent and most effective form of Green Tea Extract available. A rich source of Polyphenols‚ 15% (50 mg) per capsule‚ and Bioflavonoids‚ Green Tea-Power is standardized with the greatest concentration of naturally-balanced active principles while retaining and enhancing all the whole-plant synergistic benefits‚ thus making it one of the world's first and purest concentrated plant extracts. Certified Potency is your guarantee of dependable consistent quality and potency in every capsule every time! Only from Nature's Herbs. Our exclusive FreshCare System inhibits normal plant oxidation‚ maintaining product potency and extending freshness. It includes all-natural antioxidants in each capsule‚ oxygen-absorbing packets in each bottle‚ special air-tight seals and amber glass packaging for uncompromised quality.