Caltrate Chewables 600 +D3 Plus Minerals contains 600 mg of calcium carbonate and 20 mcg of vitamin D3 per tabletCaltrate Chewables 600 +D3 Plus Minerals Calcium and Vitamin D are easy to take and dissolve quicklyTake one chewable calcium tablet per day up to two times daily with food or as directed by a physicianJust two tablets a day provides the total recommended daily amount of calcium with advanced levels of vitamin D to help optimize calcium absorptionEach tablet also contains five fortifying minerals important for healthy bone formation