IRCT20221203056695N1 IRCT 2023-11-08 Mashhad University of Medical Sciences Effect of barley bread fortified with vitamin D in patients with type 2 diabetes Comparing the effectiveness of barley bread enriched with vitamin D microcapsules on serum vitamin D levels, cardiometabolic indices, and kidney function in people with type 2 diabetes. 2021-12-04 anticipated 130 Complete https://irct.ir/trial/67453 interventional Randomization: Not randomized, Blinding: Double blinded, Placebo: Not used, Assignment: Parallel, Purpose: Supportive, Blinding description: The participant and outcome assessor is blinded and assumes that all participants will receive barley bread enriched with microcapsules containing vitamin D, although some will not and will receive barley bread not enriched with vitamin D microcapsules. 3 Type 2 diabetes. Intervention 1: Intervention group: Feeding the intervention group with vitamin D-enriched barley bread for 4 months. Intervention 2: Control group: Feeding the control group with ordinary barley bread. No - There is not a plan to make this available Justification or reason for not sharing IPD is According to the discretion of the project managers, no decision has been taken to publish the patients' information.