The Enfamil A.R. Lipil Baby Formula is a milk based infant formula thickened with added rice starch. It is a baby formula for babies who spit up frequently. This Enfamil baby formula has been clinically proven to reduce frequent spit up by over 40 percent. This specially designed Enfamil formula is designed to help keep the formula down gently and effectively. The Lipil in the baby formula from Enfamil helps the baby's nutrition for the baby's first year. There is a blend of DHA and ARA, important nutrients found in breast milk in with the Enfamil formula. This baby formula improves brain development as well. It is important to ask the pediatrician if it's right for a little one.