Both Diet Coke and Coke Zero Sugar contain caffeine unless you opt for their caffeine-free versions. Diet Coke has 46 milligrams of caffeine per 12-ounce can, compared to Coke Zero Sugar's 34 ...
Diet Coke vs Coca-Cola Zero Sugar: Recipe differences As the ... and both varieties offer caffeine-free options. The ...
They view sugary Coke and Dr Pepper, or newer sugar-free sodas like Coke Zero, as a more affordable ... to a cheaper can of soda to get their caffeine rush. “Middle and lower-income consumers ...