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The difference between Diet Coke and Coca-Cola Zero Sugar? | FAQ | Coca-Cola Canada

A line up of diet and zero sugar options of Coca-Cola

While both Coca-Cola Zero and Diet Coke contain the same sweeteners (a blend of aspartame and acesulfame-potassium or Ace-K) and contain zero calories, Coca-Cola Zero uses a different flavour base and delivers the great taste of Coca-Cola with zero sugar.