Magnesium is a mineral that is necessary for human life. The average adult body contains 25 grams of magnesium as part of the human body makeup. This mineral is required for hundreds of body processes and is also an electrolyte. This is one reason you may see magnesium included in some electrolyte supplements. In addition, magnesium supports a healthy inflammatory response, creates and maintains muscle, offers more stable blood sugar control, aids metabolism may boost energy and keeps bones healthy and strong.