Medically reviewed by Jamie Johnson, RDN Key Takeaways Zinc may help prevent cold symptoms or shorten the length of a ...

Medically reviewed by Alex Yampolsky, PharmD Zinc is a mineral found in food and taken as a supplement. It can help with cold ...

Red meat tends to have some of the highest amounts of zinc, but you don’t have to eat it to get the nutrient. Many other foods have a good amount of zinc.

Zinc’s immune-boosting properties are well-established, but scientists haven’t known exactly how it works. In a new study published online March 25 in the journal Blood, Fred Hutchinson Cancer ...

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