The Metabolic Effects of Ginseng Oligopeptide Preparation on Non- Alcoholic Fatty Liver Disease With Obesity: a Randomized Controlled Double-blind Trial

Inclusion Criteria: * Meet the diagnostic criteria for non-alcoholic fatty liver disease ; * Aged 18-65 years old; * ALT, AST, GGT≤2×Upper Limit Of Normal（ULN）; * BMI≥28Kg/㎡; * Patients signed the relevant informed consent on a voluntary basis. Exclusion Criteria: * Under 18 years old and over 65 years old; * Allergic to the ingredients of ginseng oligopeptide preparation; * Serum ALT, AST, GGT\>2ULN; * Currently taking oral hepatoprotective drugs such as reduced glutathione, polyene phosphatidylcholine, and silibinin, etc.; * Subjects participating in other clinical trials; * Pregnant or lactating women; * Complicated with serious diseases of the digestive system or other systems, such as chronic gastrointestinal diseases and chronic diseases causing digestive malabsorption,Kidney disease, hematological system or autoimmune diseases; * Other populations that were deemed by the investigators to be ineligible for the trial may reduce or complicate enrollment patients with chemotherapy.