Nestle LACTOGEN 1 Infant Formula Powder contains Protein. Protein is the primary structural and functional components of every living cell. Whey protein is a component of milk which are easy to digest. Nestle develops infant nutrition products backed by evolving science and research. Innovation has been at the heart of Nestle since its beginning. During the first months of life, the baby’s digestive system needs to adapt to the new environment. This is a natural process that may lead to the baby’s discomfort such as colic, excess crying, and constipation. Nestle LACTOGEN 1 is a spray dried infant formula with Probiotic (L.reuteri) for infants from birth when they are not breastfed or (exclusively topfed).Nestle LACTOGEN 1 Infant Formula Powder contains Protein. Protein is the primary structural and functional components of every living cell. Whey protein is a component of milk which are easy to digest. Nestle develops infant nutrition products backed by evolving science and research. Innovation has been at the heart of Nestle since its beginning.