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What are the side effects of taking zinc?

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Zinc supplements can irritate the stomach and mouth. Zinc lozenges can alter your sense of smell and taste for a few days. If taken long-term, zinc lozenges may lower copper levels in the body. Zinc nasal sprays have been associated with a loss of smell, which may be permanent.

From: Zinc WebMD Medical Reference

SOURCES: Longe, J., ed. , second edition, 2004. Linus Pauling Institute at Oregon State University: "Micronutrient Information Center: Zinc." Natural Standard monograph: "Zinc." Office of Dietary Supplements: "Facts about Dietary Supplements: Zinc." : "A Randomized, Placebo-Controlled, Clinical Trial of High-Dose Supplementation With Vitamins C and E, Beta Carotene, and Zinc for Age-Related Macular Degeneration and Vision Loss."



The Gale Encyclopedia of Alternative Medicine
Archives of Ophthalmology

Natural Medicines Comprehensive Database: "Zinc."

Institutes of Medicine: "Dietary Reference Intakes: Elements."

Natural Standard: "Zinc."

The Journal of Family Practiceif . "Zinc for the common cold—not , but when." 

Cochrane Database Syst Rev : "Zinc for the common cold" and "Zinc supplementation for the prevention of pneumonia in children aged 2 months to 59 months."

Canadian Medical Association Journal: "Prevention and treatment of the common cold: making sense of the evidence."

Clin Respir J. "Efficacy of zinc given as an adjunct to the treatment of severe pneumonia: A meta-analysis of randomized, double-blind and placebo-controlled trials."

 

Reviewed by Carmen Patrick Mohan on June 13, 2017

WAS THIS ANSWER HELPFUL

SOURCES: Longe, J., ed. , second edition, 2004. Linus Pauling Institute at Oregon State University: "Micronutrient Information Center: Zinc." Natural Standard monograph: "Zinc." Office of Dietary Supplements: "Facts about Dietary Supplements: Zinc." : "A Randomized, Placebo-Controlled, Clinical Trial of High-Dose Supplementation With Vitamins C and E, Beta Carotene, and Zinc for Age-Related Macular Degeneration and Vision Loss."



The Gale Encyclopedia of Alternative Medicine
Archives of Ophthalmology

Natural Medicines Comprehensive Database: "Zinc."

Institutes of Medicine: "Dietary Reference Intakes: Elements."

Natural Standard: "Zinc."

The Journal of Family Practiceif . "Zinc for the common cold—not , but when." 

Cochrane Database Syst Rev : "Zinc for the common cold" and "Zinc supplementation for the prevention of pneumonia in children aged 2 months to 59 months."

Canadian Medical Association Journal: "Prevention and treatment of the common cold: making sense of the evidence."

Clin Respir J. "Efficacy of zinc given as an adjunct to the treatment of severe pneumonia: A meta-analysis of randomized, double-blind and placebo-controlled trials."

 

Reviewed by Carmen Patrick Mohan on June 13, 2017

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