No Fluoride Formulated in the USA Peppermint Oil and Spearmint Oil Flavor No Saccharine, No Sugar, No Gluten Contains Montmorillonite Clay Let the Earth Clean Your Teeth. Made with Xylitol, Greet Tea Extract and Montmorillonite Clay. Montmorillonite Clay may help whiten teeth, support gum health, control cavities, freshen breath. Montmorillonite Clay is known to contain more than 57 trace minerals. Spearmint Oil promotes long lasting fresh breath.