A Long History In Asia green tea has been used for good health for about 4,000 years. Today its use stretches across the globe as evidence points to its long list of health benefits. Green tea contains polyphenols called epigallocatechin gallate (EGCG), which is a potent antioxidant. Includes White Tea Our Green Tea Supreme is fortified with White Tea, the least-processed of all teas, and Inositol for additional immune, cardiovascular and digestive system support. Give your overall health a boost every day with Green Tea Supreme. Works best when used in conjunction with a reduced calorie diet and exercise plan.