Facts101 is your complete guide to Nutrition for Health, Fitness and Sport. In this book, you will learn topics such as Human Energy, Carbohydrates: The Main Energy Food, Fat: An Important Energy Source during Exercise, and Protein: The Tissue Builder plus much more. With key features such as key terms, people and places, Facts101 gives you all the information you need to prepare for your next exam. Our practice tests are specific to the textbook and we have designed tools to make the most of your limited study time.