This study is a randomized double-blind placebo controlled trial that will carry on 60 diabetic patients according to specialist diagnosis from clinics of Tabriz University of Medical Science. The aim of the study is to evaluate the effect of Anethum graveolens supplementation on some blood biochemical parameters in type 2 Diabetes Mellitus patients. Patients will be divided randomly to 2 groups; intervention group : patients recieve3 pill containing 1g powder of anethum herb, and placebo group patients take 3 pill containing 1g isomalt capsule for 60 days. Anthropometric measurements (weight, height, waist and hip circumference), biochemical criteria including lipid profile (TG,TC,HDL-C,LDL-C), inflammation markers (hs-CRP, IL-6, TNF-a) , blood glucose and serum antioxidants using 5cc blood collected, physical activity levels and dietary record will be measured before and after treatment (8 week).