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

Great podcast describing how caffeine works and why it is a mood elevator as well. May not ELI5, but will explain it like you are not a science expert.
https://podcasts.apple.com/lu/podcast/ep-54-wake-up-and-smell-the-caffeine/id1299915173?i=1000485591796