Gallbladder Guide Seeking Health Amazon.com: Clean Nutraceuticals Milk Thistle NAC Liver Cleanse Detox & Repair Supplement Liver Support Liquid Drops with Dandelion Extract, Artichoke, Chanca Piedra, Choline, L Glutathione, Burdock, Schisandra : Health & Household Gallstone Cholesterol, Diet & Treatment Britannica Biliary Amino Acids and Telocytes in Gallstone Disease Gallstones are crystalline formations of cholesterol and calcium formed within the gallbladder and biliary tracts. These stones can vary widely in size from as small as a grain of salt to nearly