Research
Energy balance
Athletes should ingest some form of carbohydrate (other than fructose) during moderate-intensity exercise lasting > 90 min.
Endurance athletes should prioritize carbohydrate intake during prolonged exercise.
StrongSupportsmedium confidence
there is no doubt that athletes should ingest some from of carbohydrate (other than fructose) during moderate-intensity exercise lasting > 90 min.
Why this rating
The claim is based on a comprehensive review of nutritional strategies.
Source
Nutritional strategies to minimize fatigue during prolonged exercise: Fluid, electrolyte and energy replacement
S C Dennis et al. · Journal of Sports Sciences · 1997
DOI 10.1080/026404197367317
reviewCited 43×
Read the paper DOI resolved against Crossref · corpus check 2026-06-10
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