Enfamil infant has natural defense dual prebiotics for digestive health and provides three proven benefits growth similar to breastfed infants through 12 months, IQ and vision similar to the breastfed baby up to 4 years of age, helps support your baby"s immune system. Experts agree on the many benefits of breast milk. If you choose to use infant formula, ask your baby"s doctor about Enfamil infant. Studies before the addition of prebiotics.