Vitamin B9 (Folic Acid)

Vitamin B9, widely known as folic acid, is a water-soluble vitamin that plays a vital role in DNA synthesis, cell division, and the maturation of red blood cells. It is essential for rapid cell division and growth, making it especially important during pregnancy and infancy.

Dosage by Body Weight

Standard daily maintenance dose for adults is 400 mcg. Pregnant women typically require 400 mcg to 800 mcg daily to prevent birth defects. Therapeutic doses for confirmed deficiency range from 1 mg to 5 mg daily as prescribed by a physician.

  1. Body Weight
    Below 5 kg
    Dose
    0.1 mg
    Frequency
    Once daily
    Tracking Notes
    Use only under strict medical supervision, typically indicated for neonatal folate deficiency or low birth weight infants.
  2. Body Weight
    5-7 kg
    Dose
    0.1 mg to 0.25 mg
    Frequency
    Once daily
    Tracking Notes
    Adjust dosage based on serum folate levels and nutritional assessment.
  3. Body Weight
    8-10 kg
    Dose
    0.25 mg
    Frequency
    Once daily
    Tracking Notes
    Liquid drops are recommended for accurate dosing in this weight range.
  4. Body Weight
    11-15 kg
    Dose
    0.25 mg to 0.5 mg
    Frequency
    Once daily
    Tracking Notes
    Ensure consistent daily administration; absorption is generally efficient.
  5. Body Weight
    16-20 kg
    Dose
    0.5 mg
    Frequency
    Once daily
    Tracking Notes
    Consult with a pediatrician to determine treatment duration for folate-deficient states.

Formulation

TabletCapsuleOral SolutionInjection

Purpose

Prevention and treatment of folate deficiency, support for healthy fetal development during pregnancy to prevent neural tube defects, and management of megaloblastic anemia.

Generic Name

Folic Acid

Branded Drug Names

Vitamin B9 (Folic Acid) is listed as a generic drug name. Common branded medicines that may contain the same active ingredient include:

Scheduled Drug

No. This medicine is generally not treated as a scheduled/prescription-only drug in common consumer references, but local rules may vary.

Alternatives

Disclaimer: This information is for educational purposes only. WHO references and weight bands are simplified for tracking and must not replace medical advice. Always consult with a healthcare professional before starting or changing any medication.