They're important to counter the harmful effects of oxygen—which runners consume in abundance.
In general, the more variety of colors on your plate, the better.
There are several Web resources that can help you answer the question.
Click here to see what T.J. is putting in his shopping cart on his next trip to the supermarket.
From the March issue of Competitor Magazine In a society obsessed with quick fixes, many Americans turn to “cleansing” or
Dr. John Berardi teaches us how to make “super shakes” that are significantly better than your typical juice bar offerings.