The efficacy of carbohydrate supplementation and chronic high- carbohydrate diets for improving endurance performance

Kevin Allen Jacobs, W. Michael Sherman

Research output: Contribution to journalArticle

30 Scopus citations

Abstract

Carbohydrate (CHO) is the body's most limited fuel and the most heavily metabolized during moderate-intensity exercise. For this reason it is recommended that endurance athletes consume a high-CHO diet (8-10 g CHO · kg body weight-1 · day-1) to enhance training and performance. A review of the literature supports the benefits of CHO supplementation on endurance performance. The benefits of chronic high-CHO diets on endurance performance are not as clear. Recent evidence suggests that a high-CHO diet may be necessary for optimal adaptations to training. However, the paucity of data in this area precludes any concrete conclusions. The practicality of high- CHO diets is not well understood. The available evidence would indicate that a high-CHO diet is the best dietary recommendation for endurance athletes.

Original languageEnglish (US)
Pages (from-to)92-115
Number of pages24
JournalInternational Journal of Sport Nutrition
Volume9
Issue number1
DOIs
StatePublished - Mar 1999
Externally publishedYes

Keywords

  • Exertion
  • Fatigue
  • Glucose
  • Glycogen
  • Liver
  • Muscle

ASJC Scopus subject areas

  • Medicine (miscellaneous)
  • Endocrinology
  • Public Health, Environmental and Occupational Health
  • Food Science

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