Our study population will be diabetic patients living in the city of Birjand referring to the diabetes clinic and the specialized clinic of Valiasr Hospital in Birjand in 1402.
Inclusion criteria: patients with type 2 diabetes, having diabetes for at least 6 months, patients treated with oral medication, glycosylated hemoglobin below 10 and above 8, previous treatment of the patient with 2 grams of metformin and lack of appropriate treatment response, and exclusion criteria Study: Patients consuming minerals, vitamins or antioxidants or medicinal herbs, pregnant or lactating women, patients with heart failure, having chronic diseases such as rheumatology, thyroid problems, whether hypothyroid or hyperthyroid, patients receiving NPH insulin (aspartate, lispro) and glargine) and regular and patients with kidney failure, chronic kidney disease (CKD) (GFR > 30 ml/min), liver and patients undergoing treatment for gastrointestinal diseases.