03/29/2026
Breast milk is a living fluid containing germ-killing substances, healthy bacteria, antibodies, white blood cells, antimicrobials, and proteins that offer protection against bacteria and viruses.
The live bacteria in breast milk influences your baby’s gut health. Exclusive breastfeeding colonizes your baby’s gut with healthy bacteria that have lifelong benefits, like helping develop resilience against conditions such as diabetes, obesity and metabolic syndrome.