Common (Cinnamomum verum, C. zeylanicum) and cassia (C. aromaticum) cinnamon have a long history of use as spices and flavouring agents. A number of pharmacological and clinical effects have been observed with their use. The objective of this study was to systematically review the scientific literature for preclinical and clinical evidence of safety, efficacy, and pharmacological activity of common and cassia cinnamon. Using the principles of evidence-based practice, we searched 9 electronic databases and compiled data according to the grade of evidence found.

The Naturopathic Patient Database is a data management tool developed by the Canadian College of Naturopathic Medicine to collect patient data from its teaching clinic, the Robert Schad Naturopathic Clinic. This study investigated how type 2 diabetes mellitus was managed at the Robert Schad Naturopathic Clinic from May 2009 to February 2011.