Nestle Nan Ha Infant Formula Step 1 is a formula for infants aged 0-12 months. It provides infants with nutrients that are important for their growth and development. It contains a partially hydrolysed protein blend, which is cow’s milk protein broken down into smaller pieces. It also contains probiotic that help improve a helpful intestinal microflora and may reduce the occurrence of diarrhoea. This product also contains DHA and ARA.