Add Yahoo as a preferred source to see more of our stories on Google. One of the most common ingredients in sports supplements is caffeine. In moderate amounts, caffeine can boost performance in some ...

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” ...

Medically reviewed by Aviv Joshua, MS, RDNKey TakeawaysPre-workout supplements may be helpful for some athletes, but they ...

If you’re the kind of person who can’t start their day without a cup (or two) of coffee, you’re not alone. Coffee is a staple morning ritual—whether it’s sipped alongside breakfast, before a workout ...

Some supplements, like caffeine and high-dose supplements, may be potentially dangerous. Only choose supplements with ...

For many people, coffee is an essential part of their morning routine, but taking supplements is also a daily habit for many.

Taking a "natural" supplement might feel safe, but even herbal supplements may carry risks, one researcher says. Athletes who take herbal supplements to increase athletic performance and build muscle ...

NOTICE: The workshop that is the subject of this workshop summary was approved by the Governing Board of the National Research Council, whose members are drawn from the councils of the National ...

Taking a new supplement to get faster gains in the gym or perform better at your sport can be tempting. Sports supplements including "pre-workout," protein powder, and various pills have become ...