Zinc Balance offers a 15:1 ratio of Zinc Monomethionate and Copper Gluconate. The synergistic blend of Zinc and Copper supports super oxidase dismutase (SOD) activity, a process involved in the body?s internal antioxidant mechanisms. Zinc is the number one mineral that stimulates immune defenses, and also plays a critical role in maintaining skeletal functions and skin health. visit us: http://www.tasmanhealth.co.nz/jarrow-zinc-balance/ for more details!!