Dietary Supplement. Premium quality. Citrate blend. Certified potency. Health & longevity through the healing power of nature - that s what it means to trust the leaf. Magnesium mediates proper muscle function (including the heart) and is essential for cellular production of protein & ATP. An advanced mineral form used to enhance solubility and absorption. Question? Call 1-800-9Nature or visit naturesway.com. Our Magnesium is tested and produced to certified quality standards. Satisfaction guaranteed. Nature s Way Magnesium contains no artificial ingredients preservatives yeast milk lactose wheat sugar soy gluten or corn. (This statement has not been evaluated by the Food & Drug Administration. This product is not intended to diagnose treat cure or prevent any disease.)