They need the good intestinal bacteria not only to help with digesting food, but also to promote a strong healthy immune system, and the sooner the better. However, I have no idea if probiotic yogurt is the way to go. If it was me I'd give it a try and judge by the results. I'm sure a baby without stomach problems is going to be a much happier baby which is going to make for much happier parents. Please Register or Log in to view the hidden image!