Caffeine has almost no calories, but it gives us energy. Where does this energy come from? Is caffeine making the body use its stored fat?

Question

Caffeine has almost no calories, but it gives us energy. Where does this energy come from? Is caffeine making the body use its stored fat?

In: Chemistry

Answer 1

Caffeine doesn’t give energy, it blocks receptors telling your brain it’s tired. Ingesting caffeine first thing in the morning is also the reason people have an afternoon crash.