Your body needs a variety of nutrients in a healthy balance to maximise your fitness walking. The key is to know how much of each type to eat, when to eat them, and what foods provide the most power to their punch. When used correctly, the following power foods can help you lose weight, rev up your energy, strengthen muscles and bones, and keep you injury-free. Read on to discover any weak links that may exist in your diet and the best ways to shore them up and stay satisfied.