Coke Zero Sugar's ingredients are:Carbonated waterCaramel colorPhosphoric acidAspartamePotassium benzoateNatural flavorsPotassium citrateAcesulfame potassiumCaffeineDiet Coke and Coke Zero Sugar also contain phenylalanine. Artificial SweetenersAspartame is the third ingredient in Diet Coke and the fourth ingredient in Coke Zero Sugar, which means Diet Coke probably has a little more aspartame than Coke Zero Sugar. Phosphoric AcidPhosphoric acid is the fourth ingredient in Diet Coke and the third ingredient in Coke Zero Sugar, so Coke Zero contains slightly more phosphoric acid than Diet Coke. Diet Coke and Coke Zero both contain zero calories, zero sugar (carbohydrates) and zero protein, meaning they provide no nutrition. It says Coke Zero Sugar "tastes like a Coke, but with zero sugar and zero calories."
