Life Extension, Mega Green Tea Extract, Light, 100 Capsules Gluten Free Non GMO LE Certified Concentrated Polyphenol Extract Dietary Supplement The botanical extract in Mega Green Tea Extract has been concentrated and dual standardized to ensure the highest quality, consistency and biological activity. Green tea (Camellia sinensis) contains health-promoting polyphenol compounds such as epigallocatechin-3-gallate (EGCG), a powerful anti-aging phytonutrient that has been the subject of extensive scientific research. Our Mega Green Tea Extract provides more of these potent compounds than the equivalent of several cups of green tea in a lightly caffeinated supplement. Each capsule of Mega Green Tea Extract provides 725 mg of green tea extract, standardized to 98 percent polyphenols.