Tag: Pepsi zero sugar caffeine

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How much caffeine is in Pepsi Zero vs Diet Pepsi?

Dec 13, 2025 •

3 min read

According to recent analysis, a 12-ounce can of Pepsi Zero Sugar contains approximately 69 milligrams of caffeine, while a 12-ounce can of Diet Pepsi contains around 36.7 milligrams. This significant difference in caffeine is a key distinction for anyone deciding between Pepsi Zero vs Diet Pepsi.

Does all Pepsi have caffeine? An analysis of popular varieties

Oct 9, 2025 •

3 min read

Not every bottle or can of Pepsi contains caffeine, contrary to popular belief. While classic and diet versions of the cola include the stimulant, some specific product lines, such as 'Caffeine-Free Pepsi,' are intentionally formulated without it.