Now Supplements, Magnesium 500 mg, Nervous System Support*

What the brand says

Sold as “Now Supplements, Magnesium 500 mg, Nervous System Support*, 120 Veg Caps”

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.*