Source Naturals, Coral Calcium, W/magnesium Capsules 180 CapsProduct Description Coral Calcium Magnesium contains a higher level of magnesium than the original Coral Calcium to provide the important alkaline minerals, calcium and magnesium, in a 2: 1 ratio, along with other trace minerals Product Benefits Ingredients Amount %DV Sodium 5 mg 2 Protein 1 g 2 Vitamin D 3 (as cholecalciferol) 400 IU 100 Calcium (from coral) 1,200 mg 120 Magnesium 600 mg 150 (as magnesium oxide, chelate, citrate & naturally occurring