152 mg of Catechin (Research has identified four principal forms of the powerful antioxidant Catechin found in green tea: Epicatechin [EC], Epicatechingallate [ECg], Epigallocatechin [EGC] and Epigallocatechingallate [EGCG]) tea antioxidants. All natural. No calories. Steel: Please recycle this can if facilities exist in your area. Recharge and renew with this bold-tasting shot of Catechin-powered Japanese green tea, made from premium whole loose tea leaves. Our advanced brewing method adds depth to sencha's naturally occurring antioxidants. Also from Ito En: Teas' Tea: www.teastea.com. Please Visit Us At: www.itoen.com. Catechins: Powerful antioxidants in green tea help maintain a healthy heart and neutralize cell-damaging free radicals. Best by date on bottom of can. Product of Japan.