Objective: Evaluating the effects of Curcuminoids and Vitamin D3 oral supplementation on Glucagon Like Peptide- 1 (GLP- 1) and serum glycemic and lipid profiles, blood pressure and body composition in diabetic type 2 patients; double-blind randomized study; 80 patients will be selected with inclusion and exclusion criteria and will randomly be divided into 4 groups for the 12 weeks of intervention. The first group will receive a Vitamin D3 50,000 IU supplement per week, the second group will receive a supplement that contains 500 milligrams of Curcuminoids per day plus one Vitamin D3 50,000 IU supplement per week, the third group will receive one Curcuminoids supplement daily and The control group will receive a placebo capsule that is similar to Curcuminoids supplements but contains Maltodextrin daily and they also will receive a placebo of Vitamin D3 per week. (each supplement of Curcuminoids contains 500 mg of Turmeric extract that consists of 475 mg Curcuminoids and each capsule of placebo contains 500 mg of Maltodextrin) .