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