We examined the impact of three lipid lowering drugs on fat oxidation during a 120 minute treadmill walk, at an exercise intensity of 50% maximal oxygen uptake (VO2 max). Subjects (N = 24) were healthy male volunteers with normal serum chemistry, assigned to three groups (n = 8). Group A received simvastatin 20 mg twice daily, Group B received gemfibrozil 600 mg twice daily, Group C received ac...