What is magnesium? Magnesium is one of the bodys most important minerals and is used in more than 300 biochemical reactions.* It is essential for cardiovascular and bone health.*Vitacost Magnesium is a form of magnesium containing the highest concentration of elemental magnesium. Elemental magnesium refers to the amount of magnesium in each capsule.How does magnesium support health?Supports cardiovascular health.*Important for healthy bones.*Why choose Vitacost Magnesium?Many people do not obtain adequate amounts of magnesium in their diets.Features high-potency magnesium.VitacostAll Vitacost products are laboratory tested to meet FDA standards for identity, purity and composition. All products are tested for heavy metals, microbiology and contaminants. Vitacost products are produced in a NSF Certified facility. Freshness is guaranteed. * These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.