Jamieson Calcium 500 mg with Vitamin D3 1,000 IU, High Absorption, Supports Bone Health, Helps Prevent Osteoporosis and Bone Loss. Easy to Swallow, Vegetarian, Non-GMO, Gluten-Free, 90 Caplets, Proudly CanadianJamieson Calcium 500 mg plus Vitamin D3 1,000 IU is formulated to support bone health with added immune health benefits. With 500 mg of calcium per caplet, this formula supports the maintenance of healthy bones and teeth. The addition of 1,000 IU of vitamin D3 helps your body to absorb and utilize calcium, while also support your immune system. Calcium, when combined with sufficient vitamin D, a healthy diet and regular exercise, may reduce the risk