Egcg-50+ Green tea contains volatile oils, but the primary constituents of interest are the polyphenols, particularly the catechin called epigallocatechin gallate (EGCG). Directions for Use: 1 to 3 times daily 1 capsule with a meal. Ingredients: 200 mg green tea extract (90 % polyphenols, 50% EGCG and <1% caffeine) and cellulose.