Zinc is a nutrient that supports growth during childhood and the immune system. Low zinc levels increase disease risk.

Zinc supports a number of functionsTrusted Source in the human body. It helps the body manufacture proteins and DNA, heals wounds, and promotes childhood growth and development. It’s antioxidative.

Zinc occurs naturally in many foods, such as beans, meat, and fish. It’s also a supplement.

This article looks at the health benefits of zinc, what happens if a person does not have enough zinc, and useful sources.