The invention relates to an orally administered drug or medical nutrition composition for use in the prevention or treatment of metabolic steatosis and steatohepatitis of abdominally obese people with metabolic syndrome.The composition comprises at least:proteins and/or free amino adds,fibers selected at least from acacia gum fibers and/or fructooligosaccharide fibers,vitamins D, B6, B9, B12 and E,omega 3 in the form of ALA,glutathione,SOD,catalase,choline.
