MyReuteri contains high counts of the important gastrointestinal microbe, Lactobacillus reuteri, that Dr. Davis has been talking about, making yogurt with, and studying in humans and animals. Because L. reuteri, as well as many other bacterial species, is susceptible to common antibiotics, many have lost this microbe and thereby all of its potential benefits. MyReuteri is our way of restoring this important microbes.