Zinc is a dietary supplement that supports the proper functioning of the immune system. It also contributes to the maintenance of the proper condition of the skin, nails and hair. It has a positive effect on the proper metabolism of macronutrients, carbohydrates and fatty acids, and helps to maintain the acid-base balance. It also helps to maintain proper eyesight and proper bone condition. Zinc contributes to the protection of cell components against oxidative damage.