WHY ZINC? — Zinc is important for normal protein and DNA synthesis. — Zinc contributes to normal function of the immune system and to the protection of cells from oxidative stress. — Zinc supports the metabolism of macronutrients, including carbohydrates and fatty acids. — Zinc plays a role in the maintenance of normal testosterone levels in the blood, contributing to normal fertility and reproduction. — Zinc supports the metabolism of vitamin A and contributes to the maintenance of normal vision. — Zinc contributes to the maintenance of normal cognitive function. — Zinc contributes to the maintenance of normal bones, skin, hair, and nails.
Because the best food sources of zinc are meat and seafood; vegetarian or low-meat diets often provide amounts of zinc which are lower than the recommended daily intake and tend to contain a lot of absorption-inhibitory factors.