oa South African Journal of Clinical Nutrition - Potential health risks of folic acid supplementation of 5 mg per day during pregnancy : correspondence

Volume 19, Issue 2
  • ISSN : 1607-0658
  • E-ISSN: 2221-1268



To the Editor: We would like to express our concern regarding current prescriptions for folic acid supplementation for pregnant women in state hospitals. The current practice is that these women are advised to take a supplement containing 5 mg folic acid daily, which is over 10 times the recommended daily allowance (RDA) for pregnant women, i.e. 400 µg per day from supplements, and 5 times higher than the upper tolerable limit of 1 mg per day.

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