Each FC caplet contains: Chicken Cartilage Powder (UC-II) 40 mg, Vitamin D3 (as cholecalciferol) 400 IU, Vitamin C 45 mg, Calcium (as Calcium carbonate) 300 mg, Magnesium (as Magnesium oxide) 50 mg, Zinc (as Zinc sulfate monohydrate) 7.5 mg, Copper (as Copper sulfate anhydrate) 0.5 mg, Manganese (as Manganese sulfate monohydrate) 1.8 mg.