Probiotics can be beneficial for some babies and children, but they are not necessary for all. Probiotics are live microorganisms that may provide health benefits when consumed in adequate amounts under certain circumstances. They can help maintain a balanced gut flora, support digestion and the immune system. Although there is seemingly no harm is taking probiotics to support overall health, they can be quite expensive so it can be helpful to assess the current research that we have, to help you decide whether or not they are something you feel you want to invest in.