Prenatal nutrition1 min readUpdated May 31, 2026
Prenatal vitamins before pregnancy
Start folic acid early, how to choose a prenatal, if pregnancy is unplanned, and extra nutrients only with guidance.
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Bầu Ăn Gì? Team · References CDC, ACOG
Before pregnancy
CDC and ACOG recommend 400 mcg folic acid daily starting at least one month before conception where possible, continuing through early pregnancy (higher doses if clinically indicated).
Choosing a supplement
Look for folic acid/folate, iron, iodine, vitamin D, B12; avoid mega-doses of vitamin A as retinol. Bring the bottle to your first prenatal visit.
Unplanned pregnancy
Start a prenatal as soon as you know; do not wait for a “perfect” brand.
Additional supplements
Omega-3, extra iron, or herbal products only if your clinician recommends based on labs — more is not always better.