Zinc

Zinc contributes to normal acid and base metabolism, normal carbohydrate metabolism, normal DNA synthesis, normal metabolism of macronutrients, fatty acids and vitamin A, normal protein synthesis, normal fertility and reproduction, and maintenance of normal testosterone levels in the blood, contributes to the maintenance of normal eyesight, bones, hair, skin and nails, contributes to normal cognitive functions, normal immune system function and protection of cells from oxidative stress, and participates in the process of cell division.