Ostegem Ostegem (Elemental Calcium, Cholecalciferol, Vitamin K2) tablet is used to prevent or treat low blood calcium levels in people who do not get enough calcium from their diets and Ultimate bone care. Nutritional Supplement not for treatment of any disease. Package Contains: Each Package of Ostegem contains 30 tablets. Composition: Elemental Calcium (USP) 500 mg. Cholecalciferol… Continue reading Ostegem