A 51-year-old man comes to the office complaining of fatigue and some sexual problems including lack of libido. The patient doesn't smoke or use any illicit drug. Blood pressure is 120/80 mm Hg and pulse is 70/min. Oxygen saturation is 99% on room air. BMI is 24 kg/m2. Skin examination shows increased pigmentation. Genotype testing is consistent with homozygosity for the C282Y mutation. Laboratory study shows transferrin saturation of 55% and serum ferritin of 550 μg/L. He is diagnosed as a case of hemochromatosis.