IRCT201111218145N1 IRCT 2012-02-16 Vice chancellor for research, Shiraz University of Medical Sciences Comparison of weight loss diets on long-term consequences of fatty liver disease in patients referred to the clinic Motahari Shiraz, 1390 A comparative study of the effect of low calorie balanced diet versus low calorie high fiber diet on the hepatic transaminases, lipid profiles, insulin, glucose levels, blood pressure and anthropometric measurements of obese patients with nonalcoholic fatty liver disease(NAFLD) 2011-12-22 anticipated 80 Complete https://irct.ir/trial/8571 interventional Randomization: Randomized, Blinding: Not blinded, Placebo: Not used, Assignment: Parallel, Purpose: Treatment. 2 Nonalcoholic fatty liver disease. Intervention 1: Receive a balanced low-calorie high-fiber diet for 3 months (reduction of 700 kcal daily intake and received more than 15 grams of fiber per 1,000 kcal according to the definition of high-fiber diet(. Intervention 2: Receive a balanced low-calorie diet for 3 months (reduction of 700 kcal daily intake and get as much as 14 grams of fiber per 1000 kcal intake according to the definition of balanced diet).