Since edamame is perishable, she recommends eating it within the first ... they have more protein, fiber and healthy fat than regular old crackers, and they will keep you full on the road.

Kumar also frequently recommends this snack. The apple provides sugar, but "it also has fiber in the skin," she says. "And ...

Healthy snacks can fill the nutrient gaps in your diet and provide missing fiber, vitamins, minerals and protein. Plus, eating snacks helps energy levels high and prevents that midday slump.