ABSTRACT

Key Points ...................................................................................................................................... 355 Introduction .................................................................................................................................... 356 Substrate Use ................................................................................................................................. 357 Muscle Glycogen ........................................................................................................................... 357 Liver Glycogen .............................................................................................................................. 358 Exercise Metabolism ...................................................................................................................... 358 Causes of Fatigue During Exercise ................................................................................................ 359 Carbohydrate Ingestion During Exercise and Performance ...........................................................360 Explanation of Carbohydrate Mouth Rinse Phenomenon ............................................................. 361 Optimizing Carbohydrate Intake Recommendations ..................................................................... 361 Absorption, Digestion, and Metabolism of Different Sugars ........................................................ 362 Greater Oxidation of Multiple Transportable Carbohydrates ........................................................ 363 Multiple Transportable Carbohydrates and Performance .............................................................. 363 Carbohydrate During Exercise and Performance: Dose-Response ...............................................364 Carbohydrate Intake in Real-Life Events ....................................................................................... 365 Metabolic Fate of Fructose ............................................................................................................ 365 Summary ........................................................................................................................................366 Conicts of Interest ........................................................................................................................366 References ......................................................................................................................................366