“Non-alcoholic fatty liver disease” (NAFLD), “non-alcoholic steatohepatitis” (NASH), “fatty liver”, “hepatic steatosis”, “metabolic-associated fatty liver disease” (MAFLD) were paired with “vitamin D”, “cholecalciferol”, “calcitriol”, “ and vitamin D receptor” (VDR) as search terms. This evidence concerns the gene VDR and fatty liver disease.