Efficacy of cinnamon in patients with type II diabetes mellitus: A randomized controlled clinical trial
Abstract
BACKGROUND & AIMS
Multiple studies have evaluated the hypoglycemic effect of cinnamon in patients with diabetes mellitus (DM) type II, with conflicting results. Differences in Baseline Body Mass Index (BMI) of patients may be able to explain the observed differences in the results. This study was designed to evaluate the effect of cinnamon supplementation on anthropometric, glycemic and lipid outcomes of patients with DM type II based on their baseline BMI.
METHODS
The study was designed as a triple-blind placebo-controlled randomized clinical trial, using a parallel design. One hundred and forty patients referred to Diabetes Clinic of Yazd University of Medical Sciences with diagnosis of DM type II were randomly assigned in four groups: cinnamon (BMI ≥ 27, BMI < 27) and Placebo (BMI ≥ 27, BMI < 27). Patients received cinnamon bark powder or placebo in 500 mg capsules twice daily for 3 months. Anthropometric, glycemic and lipid outcomes were measured before and after the intervention.
RESULT
Cinnamon supplementation led to improvement of all anthropometric (BMI, body fat, and visceral fat), glycemic (FPG, 2hpp, HbA1C, Fasting Insulin, and Insulin Resistance), and lipids (Cholesterol Total, LDL-c and HDL-c) outcomes (except for triglycerides level). All observed changes (except for Cholesterol Total and LDL-c) were significantly more prominent in patients with higher baseline BMI (BMI ≥ 27).
CONCLUSION
Based on the study findings, cinnamon may improve anthropometric…
How strong is the evidence?
Evidence Hub reads this as a randomized trial, done in people. Its evidence level is 2 of 5 (High · randomized trial). Randomized trials of a reasonable size are the strongest single-study design.
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