Research
Energy balance
Total carbohydrate oxidation during steady-state exercise is similar regardless of the glycemic index of the preexercise meal.
This indicates that the type of carbohydrate consumed before exercise may not significantly impact energy utilization during prolonged cycling.
StrongSupportsmedium confidence
both total CHO oxidation for HGI, LGI, and Con trials, respectively, during steady-state exercise [403 +/- 16, 376 +/- 29, and 373 +/- 24 (SE) g/2 h] and oxidation of the ingested CHO (65 +/- 6, 57 +/- 6, and 63 +/- 5 g/2 h) were similar.
Why this rating
Based on study design from abstract.
Source
Carbohydrate intake during prolonged cycling minimizes effect of glycemic index of preexercise meal
Louise M. Burke et al. · Journal of Applied Physiology · 1998
DOI 10.1152/jappl.1998.85.6.2220
rct · n=6Cited 99×
Read the paper DOI resolved against Crossref · corpus check 2026-06-10
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