We all know that caffeine dehydrated you but how does it exactly work? For instance. If I drink an energy drink and immediately follow that with water does the water get absorbed properly or is there some sort of caffeine window?
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Caffeine will stimulate certain parts and functions of your body. One of these functions is diuresis, which is the expulsion of water from your body via your kidneys and bladder. So it makes you pee more, which is how it dehydrates you. If you drink water afterwards, that can make up for the loss (depending on how much water you drink and how much caffeine you just ate/drank).
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