Your baby's brain more than doubles in size the first year of life. That's why it's an important time to give him DHA, a type of Omega-3 fat and a building block of an infant's rapidly growing brain. Enfamil A+ contains a clinically proven level of DHA. Also, Enfamil A+ has a fibre blend that can help promote good bacteria. Good bacteria help support the immune system. 9 out of 10 doctors who would feed infant formula to their own children would use a DHA-enriched formula*.