If your child is under 1 year old, you should not feed your baby cow's milk, according to the American Academy of Pediatrics (AAP).
Cow's milk does not provide enough:
Your baby's system cannot handle the high levels of these nutrients in cow's milk:
It is also hard for your baby to digest the protein and fat in cow's milk.
To provide the best diet and nutrition for your infant, the AAP recommends:
If breastfeeding is not possible, infant formulas provide a healthy diet for your infant.
Whether you use breast milk or formula, your baby may have colic and be fussy. These are common problems in all babies. Cow's milk formulas usually do not cause these symptoms, so it may not help if you switch to a different formula. If your baby has ongoing colic, talk with your health care provider.
Barrett KJ, Gilley SP, Haemer MA, Krebs NF, Johnson SL. Feeding healthy infants, children, and adolescents. In: Kliegman RM, St. Geme JW, Blum NJ, et al, eds. Nelson Textbook of Pediatrics. 22nd ed. Philadelphia, PA: Elsevier; 2025:chap 61.
Meek JY, Noble L. Policy statement: Breastfeeding and the use of human milk. Pediatrics. 2022;150(1):e2022057988. PMID: 35921640 pubmed.ncbi.nlm.nih.gov/35921640/.
Stuebe AM. Population health and informed feeding decisions. In: Lawrence RA, Lawrence RM, eds. Breastfeeding: A Guide for the Medical Profession. 9th ed. Philadelphia, PA: Elsevier; 2022:chap 6.