| Summary: | The incidence of type II diabetes is increasing across the world. Dietary modifications help the patients to control blood glucose. Traditional herbs and spices are commonly used for control of glucose among which cinnamon (肉桂 Ròu Guì; Cinnamomum cassia) has the greatest effect. Research has shown that adding cinnamon to diet can help to lower the glucose level. The aim of this study was to determine the effect of cinnamon on the glucose level in blood. This was a Randomized clinical trial in which 70 Patients with type II diabetes were assigned randomly two groups (35 in cinnamon and 35 in placebo group). The groups were matched in terms of body mass index (BMI), HbAlc and fasting blood sugar (FBS). Patients were treated with cinnamon and the placebo group was treated with placebo in addition to their routine treatment for 60 days. FBG levels and glycosylated hemoglobin of patients on the first day, and 1 and 2 months after treatment were measured. Data were analyzed using t-test and paired t-test in Statistical Package for the Social Sciences (SPSS).16 software. The mean levels of FBS before, and 1 and 2 months after the intervention were 174±59, 169±43 and 177±45; respectively. The levels of HbAlc before and after the intervention in the cinnamon group were (8.9±1.7 and 8.9±1.6). There was no significant difference in FBS and glycosylated hemoglobin levels between the two groups (P=0.738 and P=0.87, respectively). Results showed that using certain amount of cinnamon for 60 days did not change the glucose level of diabetic patients. So, using cinnamon to type II diabetes patients cannot be recommended and more studies are needed in future.
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