Highly Absorbable Form Supports Healthy Muscle Nerve & Heart Functions* Magnesium glycinate utilizes magnesium bound to the amino acid glycine which facilitates intestinal absorption.* 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 processes that require magnesium are fat and protein production as well as 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.