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Zinc sulfate Pregnancy and Breastfeeding Warnings

Brand names: Mar-Zinc, Micro-Zn, Orazinc, Verazinc, Zinc, Zinc 50 mg Pink, Zinc CR, Zinc-220, Zinca-pak, Zincate

Medically reviewed by Drugs.com. Last updated on Jul 13, 2023.

Zinc sulfate Pregnancy Warnings

Zinc sulfate has been assigned to pregnancy category C by the FDA. Safety for use in pregnancy has not been established. The risk of fetal harm if used during pregnancy is remote. A dietary intake of 11 mg of zinc per day (19 to 50 years of age) and 12 mg per day (14 to 18 years of age) is recommended during pregnancy. Additional zinc sulfate should only be given during pregnancy when need has been clearly established.

See references

Zinc sulfate Breastfeeding Warnings

Safety of zinc sulfate use during lactation has not been established. Elemental zinc is known to be excreted into human milk and may lead to copper deficiency in the nursing infant. The recommended dietary allowance of zinc in breast feeding women is 12 mg per day (19 to 50 years of age) or 12 mg per day (14 to 18 years of age). Additional zinc sulfate should only be given during lactation when need has been clearly established.

See references

References for pregnancy information

  1. Goldenberg RL, Tamura T, Neggers Y, et al. The effect of zinc supplementation on pregnancy outcome. JAMA. 1995;274:463-8.
  2. Office of Dietary Supplements. National Institutes of Health. Dietary supplement fact sheet: zinc. http://ods.od.nih.gov/factsheets/Zinc-HealthProfessional/ 2012.
  3. Product Information. Zinc Sulfate (zinc sulfate). American Regent Laboratories Inc. 2012.

References for breastfeeding information

  1. Krebs NF, Reidinger CJ, Hartley S, Robertson AD, Hambidge KM. Zinc supplementation during lactation: effects on maternal status and milk zinc concentrations. Am J Clin Nutr. 1995;61:1030-6.
  2. Office of Dietary Supplements. National Institutes of Health. Dietary supplement fact sheet: zinc. http://ods.od.nih.gov/factsheets/Zinc-HealthProfessional/ 2012.
  3. Product Information. Zinc Sulfate (zinc sulfate). American Regent Laboratories Inc. 2012.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.