CST extract possesses antioxidant activity [18], and a clinical trial evaluating the effect of antioxidant supplements non-alcoholic fatty liver disease and/or steatohepatitis [20], found a significant (p = 0.004) reduction in AST activity along with significantly increased ALT activity (p < 0.00001) compared to placebo-treated subjects. Here, GPT is linked to alcoholic fatty liver disease.