NOW Magnesium Transporters – Nervous System Support! 5 Forms Of Magnesium For Optimal Bioavailability! Supports Healthy Muscle, Nerve & Heart Functions!Now Magnesium Transporters – 5 Forms Of Magnesium For Optimal Bioavailability! Supports Healthy Muscle, Nerve & Heart Functions!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. NOW Magnesium Transporters combines five different forms of magnesium for maximal absorption and utilization. Note: Manufacturers continually change product specifications. While we try our best to keep product descriptions up to date, they do not necessarily reflect the latest information available from the manufacturer. We are not responsible for incorrect or outdated product descriptions and/or images.