GPT and fatty liver disease: The meta-analysis described that dietary interventions based on a caloric deficit of 300–1000 kcal/d or specified daily calorie supply (1200–1800 kcal/d; 20–30 kcal/kg/d) typicallyled to a modest weight loss and improvement in alanine aminotransferase (ALT), aspartate aminotransferase (AST), alkaline phosphatase, gamma-glutamyl transferase (GGT), liver steatosis, and liver stiffness [64].