1000 mg of Coral Calcium Per Serving Promotes Bone Health Earth Friendly Source Mineral Supplement Guaranteed Quality Laboratory Tested Healthy You. Healthy Earth.Modern farming methods and over-processed food often strip our diet of important minerals. Coral Calcium Plus Vitamin D3 with Magnesium & Vitamin C supports bone health. Vitamin D3 works by contributing to calcium absorption. Our Coral Calcium is mined, not collected, from an above ground source - making it environmentally friendly as it prevents damaging coral reefs.This product contains 185 mg of elemental Calcium per capsule counted towards your daily calcium needs.