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Zinc is an essential nutrient found in meat, dairy, and nuts. It has been used to help the body fight illness, improve digestion, and promote healing in wounds and skin infections. It is also used to treat zinc deficiency.
Zinc can be taken as a pill, liquid, syrup, or lozenge. Zinc can also be applied to the skin and has been used to prevent sunburns and improve acne. It can be applied as a cream, ointment, or salve.
40 milligrams daily
Editorial process and description of evidence categories can be found at EBSCO NAT Editorial Process.
It is likely safe to use zinc products on the skin and to take zinc orally in small doses for a short time, but nausea is possible when used as a lozenge. Not enough studies have been done to say whether it is safe to use for a long period. Women who are pregnant or breastfeeding should not take large doses of zinc.
Talk to your doctor about any supplements or therapy you would like to use. Some can interfere with treatment or make conditions worse.