One of the most common ingredients in sports supplements is caffeine. In moderate amounts, caffeine can boost performance in some sports, depending on the individual athlete. But too much caffeine can ...

Add Yahoo as a preferred source to see more of our stories on Google. Some say pre-workout allows them to plow through their high-intensity fitness routines, even when they’re initially feeling “meh” ...

Learn how caffeine affects brain chemicals and health, sleep, and mood. Understand safe daily limits, hidden sources, and signs you’re getting too much.

Medically reviewed by Kristie Reed, PharmD Key Takeaways Green tea extract and caffeine together can boost focus and mental ...

Nothing fits with cycling so much as the post-ride java stop, and that’s probably half the reason many of us get out on group rides to begin with. Caffeine is probably the most common ergogenic aid in ...