Not all bacteria are bad for you. In fact killing all bacteria may do more harm than good. Our Tom?s of Maine Prebiotic Natural Toothpaste with the prebiotic ingredient inulin helps support the good bacteria and crowd out the bad. It helps maintain a healthy balance by feeding the good bacteria in your mouth and reducing odor associated with bad breath. At Tom s of Maine we only use ingredients that meet our Stewardship standards for natural sustainable and responsible to help empower families to live more naturally.