Effects of calorie restricted low carbohydrate high fat ketogenic vs. non-ketogenic diet on strength, body-composition, hormonal and lipid profile in trained middle-aged men

The aim of this paper was to investigate and compare the effects of two iso-energetic hypo-caloric ketogenic hyper-ketonemic and non-ketogenic low carbohydrate high fat high cholesterol diets on body-composition, muscle strength and hormonal profile in experienced resistance-trained middle-aged men....

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Bibliographic Details
Published in:Clinical nutrition (Edinburgh, Scotland) Scotland), 2021-04, Vol.40 (4), p.1495-1502
Main Authors: Vidić, Vladimir, Ilić, Vladimir, Toskić, Lazar, Janković, Nenad, Ugarković, Dušan
Format: Article
Language:English
Subjects:
Body-composition
Insulin
Ketogenic diet
Middle-aged men
Resistance-training
Testosterone
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Summary:The aim of this paper was to investigate and compare the effects of two iso-energetic hypo-caloric ketogenic hyper-ketonemic and non-ketogenic low carbohydrate high fat high cholesterol diets on body-composition, muscle strength and hormonal profile in experienced resistance-trained middle-aged men. Twenty non-competitive experienced resistance-trained middle-aged men were on the supervised calorie maintenance western diet and resistance-training regimen for 4 weeks and then divided into ketogenic and non-ketogenic groups for 8 weeks period. Keto bodies (β-hydroxybutyrate) levels were measured weekly, testosterone and insulin biweekly, strength and body-composition monthly, lipid profile and blood sugar level at the beginning and at the end of the study. Both groups lost a similar amount of lean body mass and fat tissue (from F = 248.665, p 
ISSN:0261-5614
1532-1983
DOI:10.1016/j.clnu.2021.02.028