You're probably noticing a trend by now. The foods that are best for you are natural foods. Add nuts to that list. Almonds are a runner's favorite. They provide antioxidants and, if eaten regularly, can even lower cholesterol [source: Applegate].
Almonds can be eaten alone, but they certainly don't have to be. Sliced almonds are good tossed in a green salad and added to pasta, or they can just as easily be mixed with a yogurt and fruit concoction. Haskins eats them with her Greek yogurt [source: Haskins]. They're also a source of fiber and don't go bad quickly.