Magnesium is a mineral that is critical for energy production and metabolism muscle contraction nerve impulse transmission and bone mineralization.* It is a required cofactor for an estimated 300 enzymes.* Among the reactions catalyzed by these enzymes are fatty acid synthesis protein synthesis and glucose metabolism.* Magnesium status is also important for regulation of calcium balance through its effects on the parathyroid gland.* Natural color variation may occur in this product.