For babies who are exclusively breastfed, doctors recommend waiting until a baby is about 6 months old. But some infants may be ready sooner.
Maybe instead of the iron supplement, you can try with a single-grain, iron-fortified cereal for babies? Start with one or two tablespoons of cereal mixed with formula to achieve the right consistency. Feed your baby with a small baby spoon, and never add cereal to a baby's bottle unless your doctor instructs you to do so.
Solid foods like cereal should be fed after a nursing session, not before. That way, your baby fills up on breast milk, which should be your baby's main source of nutrition until age 1.
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