One of the worlds oldest beverages green tea has been used by chinese medicinal healers since 3000 bc nature39s plus herbal actives chinese green tea leaf extract is uniformly standardized to a minimum of 50 200 mg polyphenols to guarantee that each and every capsule provides consistent potency and activity each capsule providing the greatest concentration of active botanical principles maximizes the synergistic benefits of the whole leaf which naturally contains catechin epigalloca