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.