A 45-year-old man is referred for further evaluation after a routine health screening shows several abnormal test results. He is currently asymptomatic. There is no history of recent weight gain. His medical history is only significant for elevated triglyceride levels (~250 mg/dL) detected two years ago. He was asked to make lifestyle modifications but defaulted on follow-up after just one month. He does not smoke, and only drinks socially, generally not more than 1 to 2 units of alcohol each month. He currently leads a sedentary lifestyle. His laboratory results are as follows:

AST: 55 IU/L (8-48)

ALT: 70 IU/L (7-55)

ALP, Bilirubin, INR: within normal limits

Fasting plasma glucose: 190 mg/dL (70-110)

HbA1c: 7.5%

Triglycerides: 175 mg/dL (<150)

Total cholesterol, LDL, HDL: within normal limits

Iron studies: within normal limits

CRP, ESR: within normal limits