Go to any prerace party or postrun potluck and you’ll see legions of runners twirling forks in huge plates of spaghetti. And why not? Carbs are king, right? Except protein for runners is just as ...

L-theanine is an amino acid. While more research is necessary, possible benefits include managing anxiety, relieving stress, and reducing insomnia. L-theanine is primarily found in green and black tea ...

Your body burns calories while sleeping to support basic functions like breathing and blood circulation. The exact number depends on body composition, metabolism, activity level, and sleep quality.