Magnesium Bisglycinate is a "chelated" supplement that combines magnesium with glycine, a non-essential amino acid which helps our bodies absorb the magnesium more effectively. LLS Magnesium Bisglycinate (Chelated) | Zero Bulking Agents |2500mg (250mg Magnesium) | 240 Capsules / 60 Servings | HighlyBioavailable Form of...