Magnesium bisglycinate (glycine-chelated magnesium) is the most abundant magnesium salt in this formulation. It is considered one of the most bioavailable and absorbable forms of magnesium. The bioavailability and absorption of magnesium are key to achieving adequate final levels of this mineral in the body. Magnesium and Vitamin B6 are two essential nutrients for the overall health of our body that contribute to: Reducing tiredness and fatigue, The normal functioning of the immune system, Maintaining normal bones and teeth, Normal energy-yielding metabolism (energy supply), Normal protein and glycogen synthesis and metabolism, Normal nervous system function, Normal red blood cell formation, Normal muscle function, Normal psychological function, and Regulating hormonal activity. Format: 60 Capsules