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J Nutr. 2017 Jul;147(7):1452S-1461S. doi: 10.3945/jn.117.248229. Epub 2017 Jun 14.

Yogurt and Diabetes: Overview of Recent Observational Studies.

Author information

1
Human Nutrition Unit, University Hospital of Sant Joan de Reus, Department of Biochemistry and Biotechnology, Faculty of Medicine and Health Sciences, Pere Virgili Health Research Center, Universitat Rovira i Virgili, Reus, Spain; jordi.salas@urv.cat.
2
Biomedical Research Center in Physiopathology of Obesity and Nutrition (CIBERobn), Instituto de Salut Carlos III, Madrid, Spain; and.
3
Human Nutrition Unit, University Hospital of Sant Joan de Reus, Department of Biochemistry and Biotechnology, Faculty of Medicine and Health Sciences, Pere Virgili Health Research Center, Universitat Rovira i Virgili, Reus, Spain.
4
Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA.

Abstract

The effects of dairy consumption on the prevention of type 2 diabetes remain controversial and depend on the dairy subtype. Yogurt intake has received special attention because its association with health benefits is more consistent than that of other types of dairy products. In the present article, we review those observational studies that evaluated the association between yogurt consumption and type 2 diabetes. We also discuss the possible mechanisms involved in these associations. We found that 13 prospective studies evaluated the association between yogurt intake and type 2 diabetes, most of which showed an inverse association between the frequency of yogurt consumption and the risk of diabetes. In addition to the scientific evidence accumulated from individual prospective studies, several meta-analyses have shown that yogurt consumption has a potential role in diabetes prevention. The most recent analysis shows a 14% lower risk of type 2 diabetes when yogurt consumption was 80-125 g/d compared with no yogurt consumption. The intake of fermented dairy products, especially yogurt, has been inversely associated with variables of glucose metabolism. Yogurt may have probiotic effects that could modulate glucose metabolism. We conclude that yogurt consumption, in the context of a healthy dietary pattern, may reduce the risk of type 2 diabetes in healthy and older adults at high cardiovascular risk. Large-scale intervention studies and randomized clinical trials are warranted to determine if yogurt consumption has beneficial effects on insulin sensitivity and reduces the risk of type 2 diabetes.

KEYWORDS:

dairy; fermented dairy products; insulin sensitivity; type 2 diabetes; yogurt

PMID:
28615384
DOI:
10.3945/jn.117.248229
[Indexed for MEDLINE]

Conflict of interest statement

Author disclosures: MG-F and AD-L, no conflicts of interest. JS-S is a member of the Executive Committee of Danone Institute-Spain, and he received travel expenses and an honorarium from the Danone Institute for delivering a lecture at the Fourth International Yogurt Summit at the Experimental Biology meeting in April 2016. NB has received travel support and grant support through her institution.

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