Wrigley's Orbit Spearmint Sugarfree Gum. Artificially flavored. 35% fewer calories than sugared gum. Calorie content has been reduced from 8 to 5 calories per two piece serving. Produced with genetic engineering. Think twice. Questions Comments Call 1-800-WRIGLEY (1-800-974-4539). ©2015 Wm. Wrigley Jr. Company.