How does caffeine affect my energy levels?

While caffeine may appear to aid or enable energy on some level, it throws energy off on other levels. Your heart, for instance, will tick a little faster in response to the caffeine, your liver will work a little harder to process the caffeine, and your kidneys will filter more fluid due to caffeine's diuretic effect. It's well documented that caffeine enhances performance, so you'll likely work a little harder and burn more energy while under the influence of caffeine, which can result in energy depletion, sleep deprivation, and perhaps a caffeine withdrawal headache once it's all gone.

You've essentially robbed your long-term energy stores to get a short-term jolt, and the energy debt will be felt as low mood, exhaustion, and yes . . .

Less energy!

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