Babies 0-12 months. Thickened with added rice starch. Clinically proven. All babies spit-up from time to time, but frequent spit-up after feeding can become concerning. Enfamil A.R. is proven to significantly reduce frequent spit-up, giving moms the assurance that their baby is getting and keeping all the nourishment they need to grow healthy If you choose to use infant formula, ask your baby's doctor about the many benefits of Enfamil A.R. (Studied before the addition of DHA and ARA).