Dietary Supplement. 1,000 milligrams Non-Acidic Vitamin C* Vitamin C s importance has been established: heart, joints, brain, skin, and immune system health; antioxidant activities; and support for healthy aging. Magnesium is one of themost beneficial minerals known to man, responsible for over 300 metabolic reactions in the body. But even with these unquestioned benefits, many people find vitamin C to be harsh on the stomach. Source Naturals presents Magnesium Ascorbate, a buffered, non-acidic, easy-on-the-stomach form of vitamin C in a 1,000 mg tablet that delivers all of the benefits of magnesium and vitmain C and none of the drawbacks.* Suitable for vegetarians. Contains no yeast, dairy, egg, gluten, soy or wheat. Contains no sugar, starch, salt, preservatives, or artificial color,.