Elevated liver enzyme levels are a frequent incidental finding in primary care, and non-alcoholic fatty liver disease is the main cause of incidental elevation of liver enzymes worldwide. The features of the disease vary from simple steatosis, characterized by a benign prognosis, to non-alcoholic steatohepatitis and cirrhosis, increasing morbidity and mortality. In this case report, abnormal liver activity was incidentally detected during other medical assessments. The patient was treated with silymarin 140 mg three times daily, resulting in decreased serum liver enzyme levels over treatment with a good safety profile. This article is part of the Current clinical use of silymarin in the treatment of toxic liver diseases: a case series Special Issue: https://www.drugsincontext.com/special_issues/current-clinical-use-of-silymarin-in-the-treatment-of-toxic-liver-diseases-a-case-series.