Biomedical Updates


Cinnamon Lowers
Fasting Blood Glucose

Cinnamon is a rich botanical source of polyphenolics that has been used for centuries in Chinese medicine and has been shown to affect blood glucose and insulin signaling. Its effects on blood glucose have been the subject of many clinical and animal studies. Yet, the issue of cinnamon intake’s effect on fasting blood glucose (FBG) in people with type 2 diabetes or prediabetes still remains unclear. At the Department of Nutrition, University of California-Davis, Davis, California, a meta-analysis of clinical studies of the effect of cinnamon intake on people with type 2 diabetes and/or prediabetes was conducted.1

The study included three new clinical trials along with five trials used in previous meta-analyses performed to assess cinnamon’s effectiveness in lowering FBG. These eight studies were randomized, placebo-controlled trials reporting data on cinnamon or cinnamon extract and FBG. Cinnamon intake, either as whole cinnamon or as cinnamon extract, resulted in a statistically significant lowering in FBG. Thus, cinnamon extract or cinnamon improves FBG in people with type 2 diabetes or prediabetes.

Reference

  1. Davis PA, Yokoyama W. Cinnamon intake lowers fasting blood glucose: meta-analysis. J Med Food 2011 Sep;14(9):884-9.

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