Cited by 280Diet and metabolism studiesDietary Effects on HealthMuscle metabolism and nutrition

Calorie for Calorie, Dietary Fat Restriction Results in More Body Fat Loss than Carbohydrate Restriction in People with Obesity

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Hall, Kevin D., Bemis, Thomas, Brychta, Robert, Chen, Kong Y., Courville, Amber, Crayner, Emma J., Goodwin, Stephanie, Guo, Juen +9 more·2015·Cell Metabolism

Abstract

Dietary carbohydrate restriction has been purported to cause endocrine adaptations that promote body fat loss more than dietary fat restriction. We selectively restricted dietary carbohydrate versus fat for 6 days following a 5-day baseline diet in 19 adults with obesity confined to a metabolic ward where they exercised daily. Subjects received both isocaloric diets in random order during each of two inpatient stays. Body fat loss was calculated as the difference between daily fat intake and net fat oxidation measured while residing in a metabolic chamber. Whereas carbohydrate restriction led to sustained increases in fat oxidation and loss of 53 ± 6 g/day of body fat, fat oxidation was unchanged by fat restriction, leading to 89 ± 6 g/day of fat loss, and was significantly greater than carbohydrate restriction (p = 0.002). Mathematical model simulations agreed with these data, but predicted that the body acts to minimize body fat differences with prolonged isocaloric diets varying in carbohydrate and fat.

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Crossref · 10.1016/j.cmet.2015.07.021

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  • In a controlled metabolic study conducted under isocaloric and tightly regulated dietary conditions, low-carbohydrate was associated with higher fat oxidation and lower insulin concentrations, whereas low-fat resulted in greater adipose tissue loss, with minimal differences in total body mass loss.

    “In a controlled metabolic study conducted under isocaloric and tightly regulated dietary conditions, LC was associated with higher fat oxidation and lower insulin concentrations, whereas LF resulted in greater adipose tissue loss. Differences in total body mass loss were minimal [47].”
  • In a very short but tightly controlled metabolic study with isocaloric diets with different macronutrient distributions, there were no differences in weight loss.

    “In a very short but tightly controlled metabolic study with isocaloric diets with different macronutrient distributions, there were no differences in weight loss [47].”

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  1. Das, S.K., Gilhooly, C.H., Golden, J.K., Pittas, A.G., Fuss, P.J., Cheatham, R.A., Tyler, S., Tsay, M., McCrory, M.A., Lichtenstein, A.H., et al. (2007). http://refhub.elsevier.com/S1550-4131(1500350-2/sref6)

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Authors
Hall, K. D., Bemis, T., Brychta, R., Chen, K. Y., Courville, A., Crayner, E. J., Goodwin, S., Guo, J., Howard, L., Knuth, N. D., Miller, B. V., Prado, C. M., Siervo, M., Skarulis, M. C., Walter, M., Walter, P. J., & Yannai, L.
Affiliations
  • National Institutes of Health (US)
  • Towson University (US)
  • University of Alberta (CA)
  • Newcastle University (GB)
Corresponding author
Hall, Kevin D.
Venue
Cell Metabolism
Publisher
Elsevier BV
Published
2015-09
Volume
22
Issue
3
Pages
427-436
ISSN
1550-4131 (ISSN-L)
OpenAlex
W1934358478
Cited by
280
References
41
Citations by year
2026: 20 · 2025: 14 · 2024: 17 · 2023: 29 · 2022: 24 · 2021: 37 · 2020: 25 · 2019: 45 · 2018: 21 · 2017: 23 · 2016: 20 · 2015: 4
FWCI
16.69
Type
journal article
Language
en
Update notices
erratum (2015-09-01)
Open access
Locations
  • Cell Metabolism (publishedVersion)
  • PubMed (publishedVersion)
  • Repository@Nottingham (University of Nottingham) (publishedVersion, other-oa)
  • PubMed Central (acceptedVersion)
  • Repository@Nottingham (University of Nottingham) (submittedVersion, cc-by)
  • Newcastle University ePrints (Newcastle Univesity)
Funders
  • National Institutes of Health
  • National Institute of Diabetes and Digestive and Kidney Diseases (ZIADK013036, ZIADK013037)
Topics
  • Health Sciences › Medicine › Physiology › Diet and metabolism studies
  • Health Sciences › Medicine › Physiology › Dietary Effects on Health
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Muscle metabolism and nutrition
Keywords
obesity, dietary fat restriction, carbohydrate restriction, fat loss, fat oxidation, isocaloric diet, endocrine adaptation, energy balance
MeSH terms
Adipose Tissue, Adult, Energy Intake, Diet, Reducing, Dietary Carbohydrates, Dietary Fats, Female, Humans, Male, Models, Biological, Obesity, Oxidation-Reduction, Diet, Fat-Restricted, Diet, Carbohydrate-Restricted

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