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Folic Acid
URL of this page: https://medlineplus.gov/folicacid.html

Folic Acid

Also called: Folacin, Folate, Pteroylglutamic acid, Vitamin B9
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Summary

Folic acid is a B vitamin. It helps the body make healthy new cells. Everyone needs folic acid. For women who may get pregnant, it is really important. Getting enough folic acid before and during pregnancy can prevent major birth defects of her baby's brain or spine.

Foods with folic acid in them include:

  • Leafy green vegetables
  • Fruits
  • Dried beans, peas, and nuts
  • Enriched breads, cereals and other grain products

If you don't get enough folic acid from the foods you eat, you can also take it as a dietary supplement.

NIH: National Institutes of Health Office of Dietary Supplements

Start Here

  • About Folic Acid (Centers for Disease Control and Prevention)
  • Folate From the National Institutes of Health (National Institutes of Health, Office of Dietary Supplements) Also in Spanish
  • Folate (Folic Acid) (Mayo Foundation for Medical Education and Research)
  • Folic Acid (Department of Health and Human Services, Office on Women's Health) Also in Spanish

Diagnosis and Tests

  • Homocysteine Test From the National Institutes of Health (National Library of Medicine) Also in Spanish
  • Vitamin B Test From the National Institutes of Health (National Library of Medicine) Also in Spanish

Genetics

  • Cerebral folate transport deficiency: MedlinePlus Genetics From the National Institutes of Health (National Library of Medicine)
  • Hereditary folate malabsorption: MedlinePlus Genetics From the National Institutes of Health (National Library of Medicine)

Clinical Trials

  • ClinicalTrials.gov: Folic Acid Deficiency From the National Institutes of Health (National Institutes of Health)

Journal Articles References and abstracts from MEDLINE/PubMed (National Library of Medicine)

  • Article: Oral Treatment with EGCG, Folic Acid, Vitamin B12, and Hyaluronic Acid...
  • Article: Suppression effect of folate on poly- and perfluoroalkyl substance-induced alterations in...
  • Article: Folate Production by Streptococcus thermophilus IDCC 2201 and Its Impact on...
  • Folic Acid -- see more articles

Find an Expert

  • Centers for Disease Control and Prevention Also in Spanish
  • March of Dimes Foundation Also in Spanish

Patient Handouts

  • Folate deficiency (Medical Encyclopedia) Also in Spanish
  • Folate-deficiency anemia (Medical Encyclopedia) Also in Spanish
  • Folic acid - test (Medical Encyclopedia) Also in Spanish
  • Folic acid in diet (Medical Encyclopedia) Also in Spanish

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Folic Acid

MEDICAL ENCYCLOPEDIA

  • Folate deficiency
  • Folate-deficiency anemia
  • Folic acid - test
  • Folic acid in diet

Related Health Topics

  • Vitamins

National Institutes of Health

The primary NIH organization for research on Folic Acid is the NIH Office of Dietary Supplements

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The information on this site should not be used as a substitute for professional medical care or advice. Contact a health care provider if you have questions about your health.

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