BILIARY STONES MAP INTRAHEPATIC (hepatolithiasis) Mainly brown pigment + cholesterol stones GALLBLADDER (cholecystolithiasis) Cholesterol or black pigment stones EXTRAHEPATIC (choledocholithiasis) Primary: brown pigment Secondary Glutathione: Benefits and Supplements Recent investigation of the medicinal plants' effectiveness in the natural management of urinary and gallstones: a review ScienceDirect Unravelling the role of bilirubin metabolism in gallstone formation: a genetic and metabolic perspective Egyptian Liver Journal Springer Nature Link Glutathione Antioxidant, Detoxification, Metabolism Britannica Frontiers Association between oxidative balance score and gallstone disease: a population based study from NHANES