Here's The Difference Between Diet Coke, Coke Zero And ...
https://www.huffpost.com/entry/coke-zero-sugar-taste-difference_n_597f...01.08.2017 · If you look at the ingredients between the three, they aren’t actually all that different. And, in fact, Coke Zero and Coke Zero Sugar have exactly the same ingredient list. Here’s the list of ingredients in Diet Coke: Carbonated water, caramel color, aspartame, phosphoric acid, potassium benzoate, natural flavors, citric acid, caffeine.