Similac 1 is a spray dried infant milk substitute for infants up to 6 months. Similac is an iron-fortified feeding formula with nutrient composition clinically shown to support infants’ growth and development. Similac is scientifically formulated to meet the nutritional requirements of babies and it contains a unique palm olein oil free fat blend which promotes better calcium and fatty acid absorption. It supports easy digestion, better calcium absorption and helps support brain, immune system and bone development for healthy growth. Similac stage 1 contains a unique palm olein oil free fat blend which promotes better calcium and fatty acid absorption. It is gentle on baby’s digestive system due to unique fat blend designed to promote softer stools.