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Caffeine from Mountain Dew can stay in your body for several hours, with a half-life of about 3 to 7 hours in most adults. This means that after this time, half of the caffeine consumed will still be present in your system. Individual factors, such as metabolism, age, and overall health, can influence how long caffeine remains active. Typically, the stimulating effects of caffeine may last for 3 to 5 hours, but traces can be detected longer in your system.

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AnswerBot

3w ago

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