GUIDE

When Should a Child Start Taking Vitamins

4 min·Updated: 2026
When Should a Child Start Taking Vitamins

"When should my child start taking vitamins?" is the most frequently asked question to pediatricians. The answer depends on the child's age, diet, and individual needs. This guide is based on the recommendations of the American Academy of Pediatrics (AAP).

Birth to 6 Months

At this age, breast milk provides almost all the necessary nutrients. The exception: Vitamin D, the only essential supplement at this age. The AAP recommends 400 IU daily starting from birth. Breast milk contains very little Vitamin D, regardless of the mother's diet. Iron (if prescribed by a doctor), especially in premature infants. Formula-fed babies usually receive enough Vitamin D from the formula. Check the formula label to confirm.

6 Months to 1 Year

  • Continue Vitamin D (400 IU daily)
  • Iron: Starting at 6 months, iron stores from breast milk are depleted. Introduce iron-rich foods (fortified cereals, pureed meat, lentils)
  • Pure DHA (if the family doesn't eat fish) for healthy brain development

Multivitamins are usually not necessary if the child eats a variety of foods well.

1-3 Years

This is the growth 'standard' phase. Many children become picky eaters. Possible needs:

4-12 Years (School Age)

  • Multivitamin and Minerals — for daily general support
  • Omega-3 (DHA) — for brain development, especially if the child doesn't eat fish
  • Vitamin C and Zinc — for immunity, especially in school season
  • Vitamin D — definitely in winter
  • Calcium — active bone growth continues

13+ Years (Teens)

Teens' needs approach adult needs, but due to the growth period — they are higher.

  • High-dose multivitamin — adult formulas or double dose of children's
  • Iron (especially for girls after the start of menstruation)
  • Calcium and Vitamin D — to reach maximum bone density
  • Omega-3 — for brain, concentration during exams

Important General Rules

  • Always consult a doctor before starting a new supplement
  • Give supplements with food (better absorption, gentler on the stomach)
  • Follow label dosing — more is not always better
  • Keep out of children's reach
  • Stop use and contact a doctor if allergic reactions appear

ChildLife Essentials — For All Ages

Check our product line to find the right vitamin for your child's age.