Coca-Cola ZeroCoca-Cola Zero or Coke Zero is a product of the Coca-Cola Company. It is a sugar-free variation of Coca-Cola. It is marketed as having zero sugar, except in the United States and Canada, where it is marketed as having zero calories.Coke Zero"s formulation is intended to be a calorie-free alternative to Coca-Cola Classic.Coca-Cola Cherry Zero is a cherry-flavored variation of Coca-Cola Zero. In late January 2007.