Research
Metabolic adaptation
A 1-3-day high-fat, low-carbohydrate diet impairs performance due to depletion of muscle glycogen stores without significantly changing fat utilisation.
Athletes should be cautious with short-term high-fat, low-carbohydrate diets as they may impair performance.
StrongSupportsmedium confidence
A 1-3-day high-fat, low-carbohydrate diet impairs performance because it depletes muscle glycogen stores without significantly changing fat utilisation.
Why this rating
The claim is based on a review of existing literature.
Source
Fat adaptation strategies for endurance performance : a brief review : sports nutrition
Louise M. Burke et al. · International sportmed journal for FIMS · 2002
review
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