2 Pack NatureBell Magnesium Glycinate. As an essential dietary mineral, magnesium plays many important roles which include: helping cells produce metabolic energy, supporting optimum nerve function, helping muscles relax properly. Glycine and lysine have been shown to be efficient carriers for minerals that facilitate absorption in the intestinal tract and help relax your muscles, it may also help curb the production of cortisol, that disturbs peaceful sleep, and encourages production of serotonin to help balance your mood, allowing your body and mind to relax and wake more refreshed and positive. Magnesium also helps support muscle relaxation, growth and recovery.