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What is the role of zinc in the body?

Dariush Mozaffarian, MD
Internal Medicine
Found in cells throughout the body, zinc helps your immune system fight off bacteria and viruses, which explains why it's been investigated as a potential treatment for the common cold. Your body relies on zinc for wound healing as well your ability to taste and smell.
Dr. Michael Roizen, MD
Internal Medicine
Zinc is linked to antioxidant activity and immune system response. Zinc is also vital to the synthesis of DNA (deoxyribonucleic acid) and RNA (ribonucleic acid) and is therefore important for cell division. Several zinc trials in infertile couples have improved deficient sperm count and sperm function. In fact, increasing zinc levels to a normal level increased the pregnancy rate in those studies.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.