Effect of 4 weeks daily oral administration of geraniol (GO; 250 mg/kg), pioglitazone (PIO; 5 and 10 mg/kg), and GO with PIO5 on serum alanine amino transferase (ALT) and aspartate amino transferase (AST) levels in fructose-induced metabolic syndrome (MetS) in rats. The gene discussed is GPT; the disease is metabolic syndrome.