Zinc is a nutrient that people need to stay healthy. Zinc is found in cells throughout the body. It helps the immune system fight off invading bacteria and viruses. The body also needs zinc to make proteins and DNA, the genetic material in all cells.Click to see full answer. Likewise, people ask, what are the signs of a zinc deficiency? She says that a zinc deficiency may produce the following symptoms: Altered/loss of taste and smell. Anorexia (lack or loss of appetite) Apathy. Ataxic gait (uncoordinated movements) Decreased immunity. Depression. Diarrhea. Excessive hair loss. Also Know, what are the benefits of taking zinc? The following are some of the health benefits of zinc: 1) Zinc and regulating immune function. 2) Zinc for treating diarrhea. 3) Zinc effects on learning and memory. 4) Zinc to treat the common cold. 5) Zinc’s role in wound healing. 6) Zinc and decreased risk of age-related chronic disease. Similarly one may ask, do I need a zinc supplement? Zinc is needed for DNA synthesis, immune function, metabolism and growth. It may reduce inflammation and your risk of some age-related diseases. Most people meet the RDI of 11 mg for men and 8 mg for women through diet, but older adults and people with diseases that inhibit zinc absorption may need to supplement.When should I take zinc?Zinc supplements are most effective if they are taken at least 1 hour before or 2 hours after meals. However, if zinc supplements cause stomach upset, they may be taken with a meal. You should tell your health care professional if you are taking your zinc supplement with meals.