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How Much Caffeine is in Diet Coke?

Understanding Caffeine Content in Diet Coke Caffeine is a stimulant that is found in many beverages, including Diet Coke. The amount of caffeine in Diet Coke varies depending on the size of the can or bottle, but on average, there is about 46mg of caffeine in a 12oz serving of Diet Coke. This amount of caffeine is significantly lower than…