A Toronto-based registered dietitian has evaluated the healthfulness of the no-calorie diet ... difference between Diet Coke and Coke Zero, Sharp points out, is caffeine content.
No, this isn't a generic discussion ... caramel color, citric acid, caffeine, and natural flavors. Zero-sugar Coke, sold as Coke Zero, is also sweetened with aspartame, as well as acesulfame ...