 Liver attenuation index improved from -13.4 ± 11.1 to -9.7 ± 13.1 (P = 0.048).Hepatic macrovesicular steatosis decreased significantly after 12 weeks of supplementation (33.82 ± 12.82 vs 30.66 ± 15.96, P=0.046).Whey protein isolate was well tolerated.