Magnesium is one of the most abundant intracellular cations in the body, second only to potassium. Foods such as spinach, pumpkin seeds and dark chocolate are loaded with magnesium, but more than half of the U.S. population’s diet does not meet the recommended allowance for magnesium. So, how does magnesium impact normal body functioning? What can be done to support healthy levels of magnesium? I take a closer look at the answers to these questions, and more, below.