Science-based nutrition Dietary supplement Supports the heart nervous system and cellular energy* High Absorption Magnesium contains elemental magnesium chelated with the amino acids glycine and lysine. 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 and maintaining a healthy heartbeat. Glycine has been shown to be an efficient carrier for minerals that facilitate absorption in the intestinal tract. Glycine is used by the body to form collagen a key protein in cartilage and connective tissue. Lysine is an essential amino acid that assists gastric function.