IRCT20210307050621N1 IRCT 2021-05-12 Tehran University of Medical Sciences The effect of moderately-restricted carbohydrate diet on intestinal microbiota The effect of moderately-restricted carbohydrate diet on intestinal microbiota and metabolic parameters in women with metabolic syndrome 2021-09-23 anticipated 70 Complete https://irct.ir/trial/55578 interventional Randomization: Randomized, Blinding: Not blinded, Placebo: Not used, Assignment: Parallel, Purpose: Treatment, Randomization description: First, subjects will be placed in double blocks in terms of age and body mass index. Then, randomly assigned individuals in each block will be assigned to intervention and control groups. To randomly assign individuals to groups, each person is assigned a code, and these codes are poured into a pot. An out-of-study person is then asked to draw the codes out of the pot using a lottery. The first code will be assigned to the intervention group, the second code to the control group, and so the rest of the people will be randomly assigned to the two groups. N/A Metabolic syndrome. Intervention 1: Intervention group: Regular weight loss diet (daily limit of 500 kcal) and moderate carbohydrate restriction include 45-42% carbohydrates, 40-35% fat, and 17-15% protein. This diet should be consumed daily by participants for 3 months. Intervention 2: Control group: The usual weight loss diet (daily limit of 500 kcal) includes 55-52% carbohydrates, 25-25% fat and 17-15% protein. This diet should be observed daily by participants for 3 months. Undecided - It is not yet known if there will be a plan to make this available Justification or reason for indecision in sharing IPD is There is no more information