What is caffeine powder?

Caffeine powder is an extremely concentrated form of caffeine that can be added to beverages. Research neuroscientist Nicole Avena, PhD, shares some warnings about the product, especially about the amount that is safe to consume.

You may be drinking more than you think—and it could affect your health.

Overdoing your daily brew can lead to a host of problems, including jitters, anxiety, insomnia—and much more.

Did your favorite beverage make the list?

Your body may not work as well as it used to, but you can take steps to support good health.

Learn what this really means, how much is considered “safe”, and how the FDA responded.