Our Calcium PLUS 500 contains 500 mg of elemental calcium (as calcium citrate), as well as vitamin D3 and magnesium making it the most effective bone health formulation available in a bariatric supplement. This bariatric supplement meets the ASMBS standards of calcium supplementation after bariatric surgery. Our Calcium PLUS 500 is available in 3 flavors (Cherry Tart, Mixed Fruit and Orange Burst).