Research
Energy balance
Carbohydrate availability is a critical factor in the performance of high-intensity intermittent work and prolonged aerobic exercise.
To enhance performance, athletes should ensure adequate carbohydrate intake before, during, and after exercise.
StrongSupportsmedium confidence
the availability of carbohydrate as a substrate for muscle metabolism is a critical factor in the performance of both high-intensity intermittent work and prolonged aerobic exercise.
Why this rating
The claim is supported by established principles in exercise physiology.
Source
Carbohydrate and exercise
Louise M. Burke et al. · Current Opinion in Clinical Nutrition & Metabolic Care · 1999
DOI 10.1097/00075197-199911000-00015
reviewCited 58×
Read the paper DOI resolved against Crossref · corpus check 2026-06-10
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