Magnesium is one of the most vital minerals for overall health. In fact, the mineral is actually involved with over 300 biochemical functions in the body, such as regulating heartbeat rhythms and helping neurotransmitter functions. Despite this, an estimated 80 percent of adults are deficient of this crucial mineral, which increases the risk of heart failure, stroke, and other illnesses.  Chances are you probably don’t have enough of this essential mineral, so here’s how to get more of it into your diet.