Caffeine is a natural stimulant most commonly found in drinks like coffee, carbonated soda, tea, and energy drinks.While ...

You might want coffee alternatives to avoid the jitters or gastrointestinal effects of coffee or to cut back on caffeine.

Tea is one of the most popular beverages in the world, and it also contains caffeine. While the caffeine content in tea is generally lower than that in coffee, it can still provide a noticeable boost ...

Breakfast might be the most important meal of the day, but what about your morning beverage? Most people fall into one of two camps: coffee or tea. Of course, some people avoid coffee and tea ...

Turns out, Americans may be drinking less coffee, soda and tea, but they're getting more caffeine than ever. A new study of more than 49,000 U.S. adults found that while fewer are sipping caffeinated ...

Medically reviewed by Roxana Ehsani, RD Key Takeaways Caffeine consumption raises cortisol levels because of how it activates the hypothalamic-pituitary-adrenal axis.The spike in cortisol depends on ...

If you're the kind of person that needs a dose of caffeine in the morning, you may have pondered whether matcha or tea gives the bigger kick.

Once stigmatized, energy drinks have gotten Americans accustomed to getting their caffeine from sources other than coffee and ...

Fast, discreet and trending: caffeine pouches promise energy on demand. But here’s why they could be riskier than they might seem.