Xlear Spry Sugar-Free Peppermint Gum - Soothing peppermint flavoured sugar-free chewing gum sweetened with 100% xylitol. Great-tasting Spry Chewing Gum is the gum of choice for fresh breath and healthier teeth and gums. Studies have shown that when combined with normal dental hygiene, regular use of xylitol gums may reduce the risk of dental problems.