GPT and Hepatic steatosis: In a randomized, controlled, double-blinded clinical trial, Faghihzadeh et al. found that RSV supplementation for 12 weeks significantly decreased the level of alanine aminotransferase (ALT) and arrested hepatic steatosis in nonalcoholic fatty liver disease (NAFLD) patients compared to the control group (P < 0.05) [15].