Paraxanthine is the main metabolite of caffeine. Studies suggest it can boost alertness and focus, but the research base is much smaller than for caffeine.

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 ...

Between unexpected outbursts, chain-reaction accidents, and strangers behaving like background characters in a surreal sitcom, these accounts capture the unpredictable magic of public chaos. Some will ...

Kim Kardashian has launched an energy drink. Instead of containing caffeine, Update includes paraxanthine, a compound the body naturally produces when ...