How do energy drinks work, what exactly is the process of them giving you energy?

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How do energy drinks work, what exactly is the process of them giving you energy?

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They don’t give you energy. It’s just a ton of caffeine. Sometimes as much caffeine as a full liter or more of normal coffee. All caffeine does is block the brain from feeling tired.

Sugar and caffeine basically. One replaces the blood sugar your muscles are using up and the other raises attention and reaction levels. Studies are somewhat conflicted on whether the effect is significant and it may well depend on what sort of excercise you are doing. And some studies seem to show that these things can also have negative effects. As far as I know.

Depends on the brand/drink, but generally a combination of caffeine, sugar, chemicals and maybe some added vitamins. But typical energy drinks are loaded with caffeine and sugar at high levels.