Magnesium and Why It Matters Magnesium plays a crucial role in keeping our bodies functioning well. Despite its importance, many people do not get enough magnesium through their diet. This mineral supports hundreds of biochemical reactions in the body, influencing everything from muscle function to mood regulation. What Is Magnesium and Why It Matters Magnesium is an essential mineral that's needed for more than 300 enzyme reactions in the body. These reactions help with ener