This title is aimed at health and fitness professionals, athletes, sport nutritionists, coaches, athletic trainers and personal trainers. The fourth edition has been given a new look, with improved illustrations and new discussions of key topics, such as cramp, stitches and sports drinks. It explains how to build endurance and energy, with the right mix of protein, carbohydrate, vitamins and liquids. It provides tips for burning fat, building muscle and losing weight safely and sensibly. It is written in a reader-friendly format, with easy-to-follow guidelines for athletes on everything from dining out to understanding food labels.