Paraxanthine, a compound the body naturally produces when it breaks down caffeine, is starting to appear in energy drinks and even some coffee products as a potential caffeine alternative.

Medically reviewed by Patricia Mikula, PharmD Key Takeaways Paraxanthine is a metabolite of caffeine that may cause less ...

Very high doses of caffeine and acetaminophen (such as Tylenol), taken together, could lead to liver damage, researchers warn. This combo produces a byproduct enzyme that's toxic to the organ, ...

Paraxanthine is the main metabolite produced when the body processes caffeine. The liver converts caffeine into three compounds: paraxanthine, theobromine and theophylline. Of these, paraxanthine is ...

Mixing caffeine and alcohol may make you feel more alert, but it doesn't make you less intoxicated. Here's what to know.