Caffeine Effects: Withdrawal, Sleep & Health Impact

Caffeine impacts everything from sleep quality to concentration and heart rate. Learn how long withdrawal takes, the diuretic effects on the body, and the potential risks of taking caffeine tablets with medication or alcohol.

Closeup of two small cups with espresso

Can I Take Caffeine While Taking Creatine?

Creatine and caffeine are two performance-boosting supplements often used in sports settings. There is a lot of controversy, however, over the effectiveness of using these two substances together. A study published in the October 2001 "Journal of Applied Physiology"

Read more →