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Folic acid; Polyglutamyl folacin; Pteroylmonoglutamate
The best way to get the daily requirement of essential vitamins is to eat a wide variety of foods. Most people in the United States get enough folic acid in their diet because it is plentiful in the food supply.
There is good evidence that folic acid can help reduce the risk of certain birth defects (spina bifida and anencephaly). Women who are pregnant or planning to become pregnant should take at least 400 micrograms (mcg) of folic acid every day. Pregnant women need even higher levels of folic acid. Ask your health care provider which amount is best for you.
The Recommended Dietary Allowance (RDA) for vitamins reflects how much of each vitamin most people should get each day.
The Food and Nutrition Board of the Institute of Medicine Recommended Intakes for Individuals - Daily Reference Intakes (DRIs) for folate:
Adolescents and Adults
Institute of Medicine. Food and Nutrition Board. Dietary Reference Intakes for Thiamin, Riboflavin, Niacin, Vitamin B6, Folate, Vitamin B12, PantothenicAcid, Biotin, and Choline. National Academy Press, Washington, DC, 1998.
Escott-Stump S, ed. Nutrition and Diagnosis-Related Care. 6th ed. Philadelphia, Pa: Lippincott Williams & Wilkins; 2008.
Sarubin Fragaakis A, Thomson C. The Health Professional's Guide to Popular Dietary Supplements. 3rd ed. Chicago, IL: American Dietetic Association; 2007.
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