Only from Stevita!!!!! The main active ingredient in their SteviaDent is their 95% pure Stevita crystal. Other natural ingredients are added to give texture, such as xylitol. Studies have shown that the stevia and xylitol prevent the formation of dental cavities in rats, therefore the regular use of SteviaDent could promote the maintenance of healthy teeth. Also, studies have shown that xylitol chewing gum can help prevent ear infections by preventing the growth of bacteria in the auditory tubes.