Correct drinking in sports, at work and during leisure time is extremely important for our performance. For concentration and reaction, coordination and endurance, a sufficient supply of fluids to the body is a basic requirement. This book explains the physiological relationships of the water balance, gives advice on the right way to drink and explains the differences between different drinks. Numerous tables present, among other things, the most important minerals, trace elements, numerous mineral and medicinal waters as well as sports and fitness drinks. The book is rounded off by a detailed merchandise information, an ABC of sports nutrition and a series of recipes for suitable sports drinks.