High-Fat Ketogenic Diets and Physical Performance: A Systematic Review

Use of high-fat, ketogenic diets (KDs) to support physical performance has grown in popularity over recent years. While these diets enhance fat and reduce carbohydrate oxidation during exercise, the impact of a KD on physical performance remains controversial. The objective of this work was to asses...

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Bibliographic Details
Published in:Advances in nutrition (Bethesda, Md.) Md.), 2021-01, Vol.12 (1), p.223-233
Main Authors: Murphy, Nancy E, Carrigan, Christopher T, Margolis, Lee M
Format: Article
Language:English
Subjects:
carbohydrate
Diet, High-Fat
Diet, Ketogenic
endurance exercise
Energy Intake
Exercise
Female
Humans
ketogenic diet
ketosis
Longitudinal Studies
Male
Review
strength and power
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Summary:Use of high-fat, ketogenic diets (KDs) to support physical performance has grown in popularity over recent years. While these diets enhance fat and reduce carbohydrate oxidation during exercise, the impact of a KD on physical performance remains controversial. The objective of this work was to assess the effect of KDs on physical performance compared with mixed macronutrient diets [control (CON)]. A systematic review of the literature was conducted using PubMed and Cochrane Library databases. Randomized and nonrandomized studies were included if participants were healthy (free of chronic disease), nonobese [BMI (kg/m2)
ISSN:2161-8313
2156-5376
DOI:10.1093/advances/nmaa101