Artificially flavored. 40% fewer calories than sugared gum. Calorie content of this size piece has been reduced from 5 to 3 calories. ADA Accepted. The ADA Council on Scientific Affairs' Acceptance of Orbit is based on its finding that the physical action of chewing Orbit sugar-free gum for 20 minutes after eating, stimulates saliva flow, which helps to prevent cavities by reducing plaque acids and strengthening teeth. Made in Canada.