Research
Energy balance
The benefits of chronic high-carbohydrate diets on endurance performance are not clearly established.
Further research is needed to clarify the effects of long-term high-carbohydrate diets on endurance performance.
StrongQualifiesmedium confidence
The benefits of chronic high-CHO diets on endurance performance are not as clear.
Why this rating
The claim is based on a review of the literature.
Source
The Efficacy of Carbohydrate Supplementation and Chronic High-Carbohydrate Diets for Improving Endurance Performance
Kevin A. Jacobs et al. · International Journal of Sport Nutrition · 1999
DOI 10.1123/ijsn.9.1.92
reviewCited 77×
Read the paper DOI resolved against Crossref · corpus check 2026-06-10
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