Black Rifle Coffee Company, established by Green Beret veteran Evan Hafer in 2014; has quickly earned a reputation with its ...

Feeling groggy when you wake up? You might think grabbing a cup of coffee right away is the best way to jump-start your day.

However, they can also have the opposite effect by leading to rebound fatigue after the caffeine leaves your system. An older review found that although caffeinated energy drinks increased ...

Most energy drinks are not FDA approvedToo much caffeine can lead to negative side effectsMany energy drinks have 200mg of ...

This ancient beverage does more than hydrate—it’s packed with antioxidants and compounds that boost your health, focus, and ...

The more adenosine you have, the sleepier you feel ... A: Experts suggest waiting 90 minutes to 2 hours. Q: Can caffeine affect my sleep if I drink it in the afternoon? A: Yes, consuming caffeine ...