Many people use zinc supplements to boost immunity or improve acne symptoms. Learn how much zinc is safe for you, and what to watch for if you use it long term.

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

Learn which supplement is best for preventing and treating respiratory viruses, how to take them, and side effects to watch ...

Zinc plays an important part in immune health, digestion, wound healing, and taste and smell. Exceeding the recommended daily allowance could cause cramps, vomiting, and other side effects. A varied ...

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

NEW YORK (Reuters Health) - A new review of past studies suggests that taking zinc may cut the time adults have to suffer with a common cold, but the alternative treatment will likely come with ...

Zinc is a trace mineral, which means you only need a very small amount of it daily. You can get this essential nutrient by eating a balanced diet, but sometimes you may need to take a zinc supplement.