Stage One formula is suitable from birth and is claimed to be almost identical to breast milk (minus the antibodies). They are recommended for use up to 6 months old.They are cow’s milk based and iron fortified. Stage One formula often also comes in a hungrier baby formulation which is casein rather than whey dominant so takes longer to digest.
Stage One Hungrier Baby formulations can help to delay weaning if a baby is still too young for solids.
Stage Two formula will not be used by most parents however it …