Magnesium is required in the metabolism of macronutrients, energy production, and the utilization of calcium, phosphorus, sodium, and potassium. This vital mineral also helps utilize B-complex vitamins, vitamin C and vitamin E. Bone Health: Magnesium is an essential bone matrix mineral that promotes healthy bone metabolism. : Magnesium provides broad-spectrum cardiovascular support, including arterial function, endothelial function, c-reactive protein metabolism and lipid metabolism. Magnesium also plays important roles in muscle function, mood and calming, sleep and cranial vessel comfort.