Zinc is essential for the functioning of the immune system. People with zinc deficiency are susceptible to infections, colds and flu. Common symptoms of zinc deficiency in children are slow growth, mild and moderate malnutrition, and slow height growth.

Because the human body cannot produce zinc on its own, zinc supplementation is essential. For pregnant mothers, zinc deficiency increases the risk of premature birth by 3 times, and the baby is born with low birth weight and height. For children, zinc deficiency will cause slow growth, malnutrition, bone formation disorders, and delayed puberty....