The aim of the current meta-analysis was to assess the effects of vitamin E on clinical outcomes in individuals with non-alcoholic fatty liver disease (NAFLD). The current meta-analysis was planned, reported, and conducted per the guidelines of the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) statement. Two authors systematically searched for all papers using PubMed, Cochrane Central Register, and Embase from inception to October 15, 2022. Outcomes assessed in the current meta-analysis included changes in alanine transaminase (ALT) and aspartate transaminase (AST) from baseline in IU/L. Other outcomes included a change in BMI (kg/cm2), a change in total cholesterol level from baseline (mg/l), and a fibrosis score. Total articles were included in the current meta-analysis, enrolling 569 patients (274 patients in the vitamin E group and 295 in the placebo group). The study found that reduction in ALT levels, AST levels, and BMI was significantly greater in patients in the vitamin E group compared to the placebo group. However, no significant differences were reported in terms of change in fibrosis score and total cholesterol.

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