Cited by 178Diet and metabolism studiesDietary Effects on HealthNutritional Studies and Diet

Evidence that supports the prescription of low-carbohydrate high-fat diets: A narrative review

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Noakes, Timothy David, Windt, Johann·2017·British Journal of Sports Medicine

Abstract

Low-carbohydrate high-fat (LCHF) diets are a highly contentious current topic in nutrition. This narrative review aims to provide clinicians with a broad overview of the effects of LCHF diets on body weight, glycaemic control and cardiovascular risk factors while addressing some common concerns and misconceptions. Blood total cholesterol and LDL-cholesterol concentrations show a variable, highly individual response to LCHF diets, and should be monitored in patients adhering to this diet. In contrast, available evidence from clinical and preclinical studies indicates that LCHF diets consistently improve all other markers of cardiovascular risk—lowering elevated blood glucose, insulin, triglyceride, ApoB and saturated fat (especially palmitoleic acid) concentrations, reducing small dense LDL particle numbers, glycated haemoglobin (HbA1c) levels, blood pressure and body weight while increasing low HDL-cholesterol concentrations and reversing non-alcoholic fatty liver disease (NAFLD). This particular combination of favourable modifications to all these risk factors is a benefit unique to LCHF diets. These effects are likely due in part to reduced hunger and decreased ad libitum calorie intake common to low-carbohydrate diets, allied to a reduction in hyperinsulinaemia, and reversal of NAFLD. Although LCHF diets may not be suitable for everyone, available evidence shows this eating plan to be a safe and efficacious dietary option to be considered. LCHF diets may also be particularly beneficial in patients with atherogenic dyslipidaemia, insulin resistance, and the frequently associated NAFLD.

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  • Studies investigating specific weight loss eating plans using a broad range of macronutrient composition in people with T2DM have produced mixed results regarding efficiency and efficacy on body weight, HbA1c, lipid profiles, and BP.

    “Studies investigating specific weight loss eating plans using a broad range of macronutrient composition in people with T2DM have produced mixed results regarding efficiency and efficacy on body weight, HbA1c, lipid profiles, and BP [140,141,144,169,170,171,172,173,174,175,176].”

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Authors
Noakes, T. D., & Windt, J.
Affiliations
  • University of Cape Town (ZA)
  • University of British Columbia (CA)
Corresponding author
Noakes, Timothy David
Venue
British Journal of Sports Medicine
Publisher
BMJ
Published
2017-01
Volume
51
Issue
2
Pages
133-139
ISSN
  • 0306-3674 (ISSN-L)
  • 1473-0480
OpenAlex
W2569694738
Cited by
178
References
137
Citations by year
2026: 8 · 2025: 11 · 2024: 20 · 2023: 21 · 2022: 21 · 2021: 23 · 2020: 23 · 2019: 22 · 2018: 19 · 2017: 10
FWCI
2.48
Type
journal article
Language
en
Open access
Locations
  • British Journal of Sports Medicine (publishedVersion)
  • PubMed (publishedVersion)
  • HighWire Press Open Archive (submittedVersion)
Funders
Canadian Institutes of Health Research
Topics
  • Health Sciences › Medicine › Physiology › Diet and metabolism studies
  • Health Sciences › Medicine › Physiology › Dietary Effects on Health
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Nutritional Studies and Diet
Keywords
low-carbohydrate high-fat diet, body weight, glycemic control, cardiovascular risk factors, LDL cholesterol, triglycerides, non-alcoholic fatty liver disease, insulin resistance, atherogenic dyslipidemia, blood pressure, HbA1c, satiety, dietary fat composition, palmitoleic acid, HDL cholesterol
MeSH terms
Blood Glucose, Body Weight, Cardiovascular Diseases, Diabetes Mellitus, Type 2, Humans, Insulin Resistance, Lipids, Risk Factors, Satiety Response, Weight Loss, Randomized Controlled Trials as Topic, Diet, Carbohydrate-Restricted, Diet, High-Fat, Non-alcoholic Fatty Liver Disease

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