Magnesium SAPMagnesium bisglycinate for increased bioavailability (based on science) Magnesium deficiency is one of the most common mineral deficiencies in North America. This can contribute to a host of symptoms and long term health problems. Magnesium is an essential mineral for optimal functioning of the cardiovascular, nervous and musculoskeletal systems. It also plays a role in stabilizing mood and has been shown to be an effective treatment for major