Summary
According to the National Institutes of Health, healthy people typically have serum or plasma zinc levels between 80 to 120 mcg/dL.
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However, WebMD states that zinc is likely safe when used in amounts no greater than 40 mg daily.
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Therefore, it is not recommended to take more than 40 mg of zinc daily.
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Summary
When taken by mouth : Zinc is likely safe when used in amounts no greater than 40 mg daily. It is possibly safe when taken in larger doses, especially when used only for a short period of time. But taking doses higher than 40 mg daily might decrease how much copper the body absorbs.
ZINC: Overview, Uses, Side Effects, Precautions, Interactions ... - WebMD
webmd.com
Zinc is found in cellsthroughout the body. It helps your immune systemfight off invading bacteriaand viruses. Your body also uses zinc to make DNA(the geneticmaterial in cells) and proteins. During…
Zinc - Consumer - National Institutes of Health
nih.gov
Generally safe Oral zinc supplements might benefit people with low levels of zinc . Taken soon after cold symptoms appear, zinc might also shorten the length of a cold. However, don't…
Zinc - Mayo Clinic
mayoclinic.org
