Generally speaking, you’ll want your prerun snacks and meals to be high in simple sugars (white bread or bagel, banana, ...

We’ve got some berry good news for runners — a new study finds that cranberries are a track star’s best friend, boosting speed by 1.5%. “The beauty of this is that it is all natural,” senior study ...

"Our conclusion is, for trained distance runners, a very low-fat diet may not be the best practice for their performance," said Peter J. Horvath, UB associate professor of nutrition and physiology and ...

The best thing happened that could have happened ... and it appears that a very-low fat diet is clearly detrimental." The study involved 25 competitive runners who trained at least 35 miles a week.

Join Runner's World+ for unlimited access to the best training tips for runners There ... and if you should blend more of it in your diet for a performance and health edge.