BioCo organic ZINC only contains the zinc necessary to maintain the normal condition of hair, skin and nails in the form of organically bound citrate in a high amount of 20 mg of the active ingredient. The product does not contain inorganic zinc compounds (e.g. zinc oxide). Zinc contributes to the maintenance of normal vision and bones, the normal functioning of the immune system, the protection of cells against oxidative stress, and the maintenance of normal mental functioning.