Dietary Sulphur with Ascorbates 100 capsulesEach Capsule Contains: Methylsulfonylmethane (MSM? 500 mg. Calcium Ascorbate 50 mg. Magnesium Ascorbate 50 mg. Providing: Calcium (elemental) 5 mg. Magnesium (elemental) 3 mg. Vitamin C (elemental) 80 mg. In a base of Calcium and Magnesium Ascorbates as a preservativeSuggested Usage: Adults take 1 capsule daily or as directed by physician.