A tripeptide; reduces blood glucose levels in an OGTT in mice; reduces non-fasting blood glucose levels, serum total cholesterol and LDL levels, and adipocyte hypertrophy in Apo-/-- mice at 1 mg/g per day; reduces body fat mass, adipocyte hypertrophy, and hepatomegaly in a mouse model of diet-induced NASH; reverses hepatic steatosis and prevents the progression of fibrosis in a cynomolgus monkey model of NASH induced by a high-fat, high-fructose, and high-cholesterol diet