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Ketogenic diets and physical performance

Stephen D Phinney

Author Affiliations

6108 Boothbay Court, Elk Grove, CA 95758, United States of America

Nutrition & Metabolism 2004, 1:2  doi:10.1186/1743-7075-1-2

Published: 17 August 2004


Impaired physical performance is a common but not obligate result of a low carbohydrate diet. Lessons from traditional Inuit culture indicate that time for adaptation, optimized sodium and potassium nutriture, and constraint of protein to 15–25 % of daily energy expenditure allow unimpaired endurance performance despite nutritional ketosis.