Breast milk contains the appropriate amounts of carbohydrates, protein, and fat, and provides, minerals, vitamins, and hormones that infants require. Breast milk also contains antibodies from the mother that can help the baby resist infections.
Review Date 8/7/2019
Updated by: Neil K. Kaneshiro, MD, MHA, Clinical Professor of Pediatrics, University of Washington School of Medicine, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.