OverviewBack to top Metagenics - Serenagen - 100 Tablets formerly TCB 3 Item# :52070UPC# :755571910240 Brand:Metagenics Size/Form:100 Tablets Servings:50 Dosage:2 Tablet(s) Serenagen is a classic, comprehensive herbal stress management formula targeting individuals who are "stressed and wired"". It has been used throughout China since the Yuan Dynasty (1279-1368 A.D.). According to traditional Chinese herbology, living a demanding, hectic lifestyle deeply influences mood, mental function, cognitive processes, the cardiovascular system, the liver, and tolerance to change. Expertly designed to help maintain equilibrium between body systems and promote a sense of inner calm. Provides herbal support for those who may be overworked, sleep toolittle, have exhausted physical reserves, and/or have difficulty resting.