Description: Cal/Mag 1001 180 tabs Calcium one to one Three Tablets Contain: Calcium (Citrate/Ascorbate/Carbonate Complex) 500 mg. Magnesium (Aspartate/Ascorbate/Oxide Complex) 500 mg. Vitamin D-3 75 I.U. Vitamin C (Calcium/Magnesium Ascorbate) 150 mg. Boron (Aspartate/Citrate) 3 mg. Glutamic Acid HCl 150 mg. All in a specially acidified base Other ingredients: Cellulose and vegetable stearate Suggested Usage: Adults take 3 tablets daily or as directed by physician.