Zinc is an essential element needed for a wide range of functions within the body; it helps maintain normal growth, good vision, healthy skin and strong bones. Zinc also plays an important role in collagen and protein synthesis. It is important for the maintenance of sexual function and fertility and it boosts immunity. - Essential for wound healing, and helps maintain healthy skin; - Zinc activates white blood cells to fight infections; - Helps fight colds & flu and treat acne.