Why is Gem toothpaste different? Every ingredient in our oral care has been carefully chosen, designed to have a functional purpose. We added in lactobacillus salivarius, an oral probiotic specific to the mouth. When you nuke your mouth with chemicals, any bacteria (good or bad) can thrive. But if you add in a beneficial bacteria, this really allows for a healthy oral microbiome. Here’s a secret, the mouth is a gateway to the gut (and key to your overall health!)