Vitacost Everyday, Magnesium, 500 mg, 180 Capsules

What the brand says

From Magnesium Oxide Dietary Supplement An essential mineral for cardiovascular and bone health. What is Magnesium? Magnesium is one of the body’s most important minerals and is used in more than 300 biochemical reactions. It is essential for cardiovascular and bone health. Magnesium is a form of magnesium containing the highest concentration of elemental magnesium. Elemental magnesium refers to the amount of magnesium in each capsule.