Effects of Cinnamon on Blood Glucose among Type 1 and Type 2 Diabetic Individuals: A Comparative Study

Abdul Rahim Al Jamal, Hala M. Bayoumy

Abstract


Background: Various spices display insulin-potentiating activity in vitro, cinnamon spice in particular. In vivo studies show that cinnamon may have beneficial effects on glucose homeostasis; therefore the aim of this study was to further investigate the proposed health benefits of using cinnamon in humans.
Methods: Aim. The present study was designed to investigate effects of supplementation with cinnamon on blood glucose among type 1 and type 2 diabetics. Sample. The sample consisted of 60 subjects; 30 subjects with type 1 diabetes and 30 subjects with type 2 diabetes. The doses were distributed equally over the day. Cinnamon was given in the form of powder with breakfast, lunch and dinner. The doses were given for 4 weeks. Blood samples were taken on weeks 0 (starting day of the experiment) 1, 2, 3 and 4. The blood serum glucose of both types 1 and type 2 diabetic groups were determined. The primary statistical analyses included: the two factors (group x time) test, repeated-measures, and ANOVA for defining differences between the two groups over time.

Findings: The mean fasting serum glucose levels for cinnamon doses on weeks 0, 1, 2, 3, and 4 were 241.5, 177.5, 143.83, 137.17 and 126.67 mg/dl for type 1 diabetic individuals, Vs mean fasting serum glucose levels were 254.33, 172.17, 138.17, 126.83 and 127.83 mg/dl for type 2 diabetic individuals. The cinnamon doses significantly (P<0.001) reduced the mean serum glucose levels among both groups.

Conclusions: These data support the efficacy of cinnamon on reducing FBG in type 1 and type 2 diabetes and suggest that this naturally-occurring spice can reduce risk factors associated with diabetes. In light of this research, it is recommended that Type 1 & 2 diabetic individuals should use cinnamon in their food preparations on regular basis along with their antidiabetic medications. This will keep their sugar level near to normal values.

Keywords


Cinnamon, blood glucose, diabetes

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