Supports Cellular Health 200 mg EGCG / 80% Catechins Non-GMO A Dietary Supplement Vegetarian / Vegan How It Works: Green Tea has been extensively studied and researchers have found its active constituents to be a family of polyphenols called catechins. One catechin in particular, epigallocatechin-3-gallate (EGCg) has demonstrated extraordinary free radical quenching power in laboratory studies. One capsule of Protocol For Life Balance EGCg possesses the phytonutrient content equal to about 2-3 cups of green tea.