The goal of this study is the evaluation of the effects of synbiotics and lactic acid in betaglucan based bread on lipid profile , glucose index and antioxidant indices of type 2 dibetic patients. with age between 20-60 years without any heart,renal,hepatic or infectious diseases who refer to endocrine research centre.100 patients participate in 4 groups:lactic acid containing bread ,synbiotic containing bread,synbiotic+lactic acid containing bread,betaglucan based bread.The duration of intervention is 8 weeks.Patient's blood sample is taken before and after the intervention.The questionare about personal information,physical activity and recall diet is comleted by experts.Anthropometric measurment include height,weight,waist circumference and blood pressure is done based on standard .The bread formulation is determined based on previous study and food science consult.This study is double blind ,both reasearcher and patient don t know about the type of bread.biochemical assessments is performed for blood sample.