GPT and major depressive disorder: During the 16-week study period, the following parameters were measured and compared: fasting blood sugar (FBS), the Hamilton Depression Rating Scale (HDRS) score [18], serum creatinine, body mass index (BMI), serum total cholesterol, triglyceride, high- and low-density lipoprotein cholesterols (LDL-c and LDL-c), liver enzymes like AST and ALT, serum albumin, and bilirubin.