folic acid (folate, vitamin B9, FA-8, Folacin, Folic Acid, GNC Folic Acid 400, and many more)

  • Pharmacy Author:
    Omudhome Ogbru, PharmD

    Dr. Ogbru received his Doctorate in Pharmacy from the University of the Pacific School of Pharmacy in 1995. He completed a Pharmacy Practice Residency at the University of Arizona/University Medical Center in 1996. He was a Professor of Pharmacy Practice and a Regional Clerkship Coordinator for the University of the Pacific School of Pharmacy from 1996-99.

  • Medical and Pharmacy Editor: Jay W. Marks, MD
    Jay W. Marks, MD

    Jay W. Marks, MD

    Jay W. Marks, MD, is a board-certified internist and gastroenterologist. He graduated from Yale University School of Medicine and trained in internal medicine and gastroenterology at UCLA/Cedars-Sinai Medical Center in Los Angeles.

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Sulfasalazine (Azulfidine) may decrease the body's ability to absorb folic acid.

Folic acid may decrease the effectiveness of pyrimethamine (Daraprim), a medicine used to treat parasite infections.

PREGNANCY: Adequate intake of folic acid during pregnancy is very important for the health of the mother and her baby. Clinical evidence shows that fetal neural defects can be prevented with folic acid supplementation in folic acid deficient mothers.

Folic acid is safe for use during pregnancy. However, pregnant women are advised to speak to their doctor or pharmacist before starting supplementation.

NURSING MOTHERS: Maintaining adequate folic acid intake is important for nursing mothers. Women who are unable to get enough dietary folic acid may require supplementation to achieve adequate intake during lactation. The American Academy of Pediatrics (AAP) considers use of folic acid supplements to be compatible with breastfeeding.


National Institutes of Health; Office of Dietary Supplements. Folate. December 14, 2012.

Medically Reviewed by a Doctor on 7/8/2015

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