As babies become young children, they change as much on the inside as the outside, as their gut microbiota evolve due to the introduction of solid foods ⁸⁶Laursen, M. F., Bahl, M. I., Michaelsen, K. F., & Licht, T. R. (2017). First foods and gut microbes. Frontiers in Microbiology. https://doi.org/10.3389/fmicb.2017.00356, and their immune system further matures ⁹⁷Martin, R., Nauta, A. J., Ben Amor, K., Knippels, L. M. J., Knol, J., & Garssen, J. (2010). Early life: Gut microbiota and immune development in infancy. Beneficial Microbes. https://doi.org/10.3920/BM2010.0027.Their brains develop too, as they begin to focus on language and higher cognitive functions ¹⁰⁸Nelson, C. A. (2000). Neural plasticity and human development: The role of early experience in sculpting memory systems. Developmental Science. https://doi.org/10.1111/1467-7687.00104. Explore new ways to meet their needs with ingredient solutions parents will love.