The present study aims to highlight the role of oxidative stress in Diabetes mellitus and investigate the effects of Cinnamomum zeylanicum in the treatment of Type 2 diabetes by employing animal models. Cinnamomum zeylanicum water extract was evaluated as an antioxidant in two main areas: first, the detection of compounds in the plant extract and their evaluation in vitro in free radical control, and second, the assessment of the extract in vivo by monitoring the effects of oxidative stress and antioxidants after inducing oxidative stress.The data from animal studies revealed beneficial...