Zinc plays a significant role in maintaining the immune system to fight infections. Zinc supplementation reduces frequency, severity and duration of diarrhea and in controlling respiratory infections and malaria. Zinc affects the immune system by increasing T cells and Lymphocytes. Zinc stimulates inflammatory cells and helps is speedy healing. Zinc is an essential mineral required by the body for maintaining a healthy immune system and building proteins.A deficiency in zinc can lead to stunted growth, diarrhea, impotence, hair loss, eye and skin lesions, impaired appetite, and depressed immunity. Conversely, consuming too much zinc can disrupt absorption of copper and iron, as well as create large amounts of toxic free radicals. The current daily need for Zinc is 15 mg. Foods rich in Zinc are given below.