* 100% Xylitol * Natural Xylitol * Dental Defense System * Chewing Gum with Fruity Fresh Flavor * May Reduce The Risk of Tooth Decay * Non-GMO * Gluten-Free * Dentist Recommended * Sweetened Only With All-Natural Xylitol Spry Dental Defense System Spry—Improving Oral Health Frequent eating of foods high in sugars and starches can promote tooth decay. Clinical studies have shown that the use of xylitol on a daily basis, spread throughout the day, may reduce the risk of tooth decay and improve overall oral health.