Folic acid (folate, vitamin B9) daily dietary guidelines

Folic acid guidelines 1
Category Age Amount


0–6 months

65 mcg (0.065 mg)

7–12 months

80 mcg (0.08 mg)


1–3 years

150 mcg (0.15 mg)

4–8 years

200 mcg (0.2 mg)

9–13 years

300 mcg (0.3 mg)



Older than 13 years

Older than 13 years

400 mcg (0.4 mg)

400 mcg (0.4 mg) to 600 mcg (0.6 mg)

Pregnant women

All ages

400 mcg (0.4 mg) to 600 mcg (0.6 mg)

Nursing women

All ages

500 mcg (0.5 mg)


  1. Food and Nutrition Board, Institute of Medicine (2008). Dietary reference intakes (DRIs): Recommended intakes for individuals, vitamins. In LK Mahan, S Escott-Stump, eds., Krause's Food and Nutrition Therapy, 12th ed. St Louis: Saunders Elsevier.

Last Updated: December 23, 2008

Author: Caroline Rea, RN, BS, MS

Medical Review: Anne C. Poinier, MD - Internal Medicine & Brian Leber, MDCM, FRCPC - Hematology

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