ABSTRACT
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 545 Long-Term Endurance Exercise Performance . . . . . . . . . . . . . . . . . . . . . . . 547 Muscle Mass and Strength . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 549 Indirect Ergogenic Aids . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 549
Mental Effects . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 551 Musculoskeletal Integrity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 551 Immune Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 552 Tissue Repair and Recovery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 552
Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 552 Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 553 References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 553
This chapter will briefly describe which sports nutrition and dietary supplement products work and which do not work for enhancing physical performance. Physical activities require expenditure of metabolic energy over that required for existence. Desire to perform physical tasks better is a common human trait, especially in competitive sports.
