IRCT20180201038585N5 IRCT 2019-11-10 Bagheiat-allah University of Medical Sciences The effect of vitamin B1 (thiamine) on blood pressure, lipid profile, liver enzymes and fasting blood sugar in the military with metabolic syndrome The effect of vitamin B1 (thiamine) on blood pressure, lipid profile, liver enzymes and fasting blood sugar in patients with metabolic syndrome 2019-10-17 anticipated 116 Complete https://irct.ir/trial/41715 interventional Randomization: Randomized, Blinding: Double blinded, Placebo: Used, Assignment: Parallel, Purpose: Treatment, Randomization description: A simple dice randomization method was used in which paired numbers for the intervention group and individual numbers for the control group were used, Blinding description: Intervention and randomization were performed through a random allocation list by a member of the research team as the only blinded individual to the assignment. Other members of the research team (including team leader and study coordinator), as well as all participants, were randomly assigned to groups and intervention and remained blind until the end of the study. 3 Metabolic syndrome. Intervention 1: Intervention group: Vitamin B1, 100 mg, every day, darou pakhsh. Intervention 2: Control group: Placebo. No - There is not a plan to make this available Justification or reason for not sharing IPD is Because of the confidentiality of the information on the civilians