Magnesium is an essential nutrient with hundreds of functions in the body, and yet most people are deficient.  Most people notice a difference almost immediately upon taking Magnesium, but the health benefits continue to add up over the long term.  Here is the top 5 health benefits of magnesium, but it doesn't stop here:  1.Magnesium may reverse osteoporosis Multiple research studies conducted have suggested that calcium supplemented with magnesium improves bone mineral density. Magnesium deficiency alters calcium metabolism and the hormones that regulate calcium, resulting in osteoporosis. Intake of recommended levels of magnesium is important because it averts osteoporosis.