Table 7.

Clinical Trials Evaluating the Hypoglycemic effect of Cinnamon

Clinical Trials	Subject	Treatment	Size	Hypoglycemic effect	Jadad Score	Reference
Khan A et al.	Type 2 diabetic patients	1, 3 or 6g cinnamon daily for 40 days	60	Yes	2	[72]
Mang B et al.	Type 2 diabetic patients	3g aqueous extract cinnamon powder daily for 4 months	79	Yes	3	[73]
Crawford P et al.	Type 2 diabetic patients	1g cinnamon daily for 90 days	109	Yes	2	[74]
Akilen R et al.	Type 2 diabetic patients	2g cinnamon daily for 12 weeks	58	Yes	3	[75]
Vanschoonbeek K et al.	Postmenopausal type 2 diabetic patients	1.5g cinnamon daily for 6 weeks	25	No	1	[76]
Altschuler JA et al.	Type 1 diabetic patients	1g cinnamon daily for 90 days	72	No	2	[77]
Blevins SM et al.	Type 2 diabetic patients	500mg cinnamon daily for 3 months	58	No	3	[78]
Mettler S et al.	Healthy volunteers	4g cinnamon and 1.68g acetic acids	27	Yes	1	[79]
Solomon TP et al.	Healthy volunteers	3g cinnamon daily for 14 days	8	Yes	1	[80]
Hlebowicz J et al.	Healthy volunteers	3g cinnamon	15	Yes/Noa	2	[81]

^aOne of the following four measurements was significantly different between the treatment and control group: FBS, HbA1c, postprandial glucose levels and area under curve of blood glucose.