* 100% Xylitol * All-Natural * Dental Defense System * May Reduce the Risk of Tooth Decay * Non-GMO * Gluten-Free * Sweetened Only with 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. Ask your dentist and hygienist about the amazing benefits of xylitol.