Wrigley's Orbit White Sugarfree Gum. Proven to remove stains and whiten teeth*. Spearmint artificially flavored. Questions Comments Call 1-800-WRIGLEY (1-800-974-4539). 35% Fewer calories than sugared gum. Calorie content has been reduced from 8 to 5 Calories per two piece serving. Chewing 2 Pieces of Orbit white after eating and drinking helps remove stains and whiten teeth. *Based on an 8-week clinical test. ©2012 WM. Wrigley Jr. Company.