Now's Magnesium Diglycinate contains magnesium bound to the amino acid Glycine, facilitating its intestinal absorption. Magnesium is a mineral that activates around 300 enzymes, including those that regulate functions essential to energy production and metabolism, muscle contraction, nerve impulse transmission and bone mineralization. In addition, magnesium is required for fatty acid synthesis, protein synthesis and the proper functioning of glucose metabolism. This formula hashelps develop and maintain bones, teeth and tissue formation.