Folic acid guide
Why it matters, when to start, and the usual amount before and early pregnancy.
Important: This content is educational and does not replace diagnosis or advice from a doctor, obstetric clinician or midwife.
What to know
CDC recommends 400 mcg of folic acid daily for people who can become pregnant. Start before pregnancy when possible; higher-risk situations may require a different dose prescribed by a clinician.
Medical sources
See the source list and review date on Medical sources.