Non-alcoholic fatty liver disease (NAFLD) is a broad term covering a spectrum of conditions, comprising fatty liver (simple steatosis), non-alcoholic steato-hepatitis (NASH) and cirrhosis. NAFLD can be characterised as the hepatic manifestation of the metabolic syndrome, with obesity and insulin resistance major risk factors. NAFLD has a prevalence of up to 30% in the Australian population, and while usually benign, can have serious sequelae. The most common presentation of NAFLD is an incidental finding of abnormal LFTs. It is essential for GP registrars to proactively identify and manage patients with NAFLD.