Nestlé NAN PRO 4 is a spray dried Follow-Up formula with DHA ARA for older infants after 18 to 24 months when they are not breastfed. NAN PRO 4 contains DHA that supports baby’s normal brain development. It also contains Calcium, Vitamins A, C, D, Iron and Zinc.Nestlé develops infant nutrition products backed by evolving science and research. Innovation has been at the heart of Nestlé since its beginning. Nestlè agrees with the World Health Organization and other medical and health associations that breast milk is the best and the most natural food for babies.