How much caffeine is in a 30 oz Mountain Dew?
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3 min read
While a standard 12-ounce can of Mountain Dew contains 54 mg of caffeine, the larger 30-ounce fountain soda portions offer a far more significant jolt. This guide reveals precisely how much caffeine is in a 30 oz Mountain Dew and what it means for your overall daily intake and health.
