GPT and steatosis: The primary outcomes assessed were liver enzymes (ALT and AST) and histological alterations based on the NAFLD activity score (NAS), which includes steatosis, lobular inflammation, hepatocellular ballooning, and fibrosis score; and (4) study designs such as randomized controlled trials, clinical trials, cohort studies, and observational studies in English, regardless of the publication year or number of participants.