Cited by 181Nutritional Studies and DietDiet, Metabolism, and DiseaseMeat and Animal Product Quality

A review of potential metabolic etiologies of the observed association between red meat consumption and development of type 2 diabetes mellitus

Kim, Yoona, Keogh, Jennifer, Clifton, Peter·2015·Metabolism

Abstract

Epidemiological studies suggest that red and processed meat consumption is related to an increased risk of type 2 diabetes. However, it is not clearly understood which components of red and processed meat contribute to this increased risk. This review examines potential mechanisms addressing the role of saturated fatty acid, sodium, advanced glycation end products (AGEs), nitrates/nitrites, heme iron, trimethylamine N-oxide (TMAO), branched amino acids (BCAAs) and endocrine disruptor chemicals (EDCs) in the development of type 2 diabetes based on data from published clinical trials and animal models. TMAO which is derived from dietary carnitine and choline by the action of bacterial enzymes followed by oxidation in the liver may be a strong candidate molecule mediating the risk of type 2 diabetes. BCAAs may induce insulin resistance via the mammalian target of rapamycin complex 1 (mTORC1) and ribosomal protein S6 kinase β 1 (S6k1)-associated pathways. The increased risk associated with processed meat compared with red meat suggests that there are interactions between the saturated fat, salt, and nitrates in processed meat and iron, AGEs and TMAO. Intervention studies are required to clarify potential mechanisms and explore interactions among components, in order to make firm recommendations on red and processed meat consumption.

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Crossref · 10.1016/j.metabol.2015.03.008

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  • Risk for diabetes from red and processed meats may be linked to iron content as well as possibly lipid and amino acid metabolites, advanced glycation end products, trimethylamine N-oxide, and nitrates/nitrites.

    “Mechanisms require further study, but risk for diabetes may be linked to iron content179, 180 as well as possibly lipid and amino acid metabolites, advanced glycation end products, trimethylamine N-oxide, and nitrates/nitrites.181, 182”
  • Intake of yogurt, but not milk, is consistently associated with lower incidence of diabetes; cheese intake also associates with lower diabetes risk in several although not all studies.

    “For example, intake of yogurt, but not milk, is consistently associated with lower incidence of diabetes; while intake of cheese, which has high calorie, fat, and saturated fat content, also associates with lower diabetes risk in several although not all studies.57, 179-184, 224, 226-228”

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Authors
Kim, Y., Keogh, J., & Clifton, P.
Affiliations
University of South Australia (AU)
Corresponding author
Clifton, Peter
Venue
Metabolism
Publisher
Elsevier BV
Published
2015-07
Volume
64
Issue
7
Pages
768-779
ISSN
0026-0495 (ISSN-L)
OpenAlex
W2071668062
Cited by
181
References
128
Citations by year
2026: 12 · 2025: 10 · 2024: 21 · 2023: 20 · 2022: 21 · 2021: 19 · 2020: 14 · 2019: 18 · 2018: 10 · 2017: 16 · 2016: 14 · 2015: 6
FWCI
2.22
Type
journal article
Language
en
Open access
closed
Locations
  • Metabolism (publishedVersion)
  • PubMed (publishedVersion)
  • Adelaide Research & Scholarship (AR&S) (University of Adelaide) (submittedVersion)
Funders
  • National Health and Medical Research Council
  • University of South Australia
  • Government of South Australia
  • National Heart Foundation of Australia
Topics
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Nutritional Studies and Diet
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diet, Metabolism, and Disease
  • Life Sciences › Agricultural and Biological Sciences › Animal Science and Zoology › Meat and Animal Product Quality
Keywords
red meat consumption, processed meat, type 2 diabetes, saturated fatty acids, sodium, advanced glycation end products, nitrite/nitrate, heme iron, trimethylamine N-oxide, branched-chain amino acids, endocrine disruptors, insulin resistance, mTORC1 signaling
MeSH terms
Animals, Clinical Trials as Topic, Diabetes Mellitus, Type 2, Diet, Humans, Meat, Risk

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