The goal of this \[Efficacy of a traditional anti-diabetic herbal drug with on glycemic, inflammatory, and oxidative stress parameters\] is \[investigate the level of HOMA-estimated insulin resistance as the primary outcome before and after 40 days in intervention and placebo groups\] in \[patients with type 2 diabetes\]. The secondary outcomes of this study are the assessment of oxidative stress, inflammation biomarkers, other glycemic indices, hematopoietic status and lipid profile between the two groups before and after the intervention. also The food frequency questionnaire (FFQ) and the physical activity questionnaire (FAQ) are used to evaluate the effect of potential confounding factors. This study has the code of ethics IR.KMU.REC.1402.291 from Kerman University of Medical Sciences and this drug has the number 12/14484 from Iran Food and Drug Administration (IFDA).