Plays an important role in the proper functioning of the immune system in the body. It is required for the enzyme activities, and necessary for cell division, cell growth, and wound healing. It plays a role in the acuity of the senses of smell and taste. Zinc is also involved in the metabolism of carbohydrates.High-protein foods contain high amounts of zinc. Beef, pork, and lamb contain more zinc than fish. The dark meat of a chicken has more zinc than the light meat. Other good sources of zinc are peanuts, peanut butter, and legumes.