Question: how many mg of iron should a baby have?
Answer: Babies given iron-fortified formula do not need added iron. Infants ages 7–12 months need 11 milligrams of iron a day. Toddlers ages 1–3 years need 7 milligrams of iron each day. Kids ages 4–8 years need 10 milligrams while older kids ages 9–13 years need 8 milligrams.