1 - From birth LITTLE STEP® First Infant Milk is an alternative to breast milk when baby is not breastfed. Breastfeeding provides the best start for your baby, but if you decide to combination feed or bottle-feed, LITTLE STEPS® First Infant Milk is nutritionally complete and contains Omega 3 (DHA)*. Moving to the next stage? Stage 2 6 + Months Once your baby is 6 months old, we recommend switching to our LITTLE STEPS® Follow-on Milk. It is enriched with Iron to help support normal cognitive development. It also contains Calcium and Vitamin D for the normal growth and development of bones. Vitamin D also contributes to the normal function of the immune system in children.