The scientifically proven formula for infants helps them growing up faster and healthier. The stage 1 Aptamil follow-up formula is for infants. This mixture is especially for the babies to support their growth and for the faster development of their immune system. Whatever vitamins, minerals, and all kinds of nutrients are needed for the growth of infants and for the development of their immune system to give them a strong immunity power are present in this product. All the nutrients, iron, and zinc is found in Aptamil follow up formula stage 1. We firmly believe that mother's milk is very much important to nourish the infant well and for the growth of him/her but in the case when the mother's milk is insufficient or unavailable, this Aptamil follow up formula stage 1 can be used as a substitute of mother's milk as it provides all the necessary supplements to the infants of age 0 to 6 months.