NOW Foods Magnesium Citrate 400 Milligram 120 Veg Capsules (Pack of 2)

What the brand says

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. Magnesium status is also important for regulation of calcium balance through its effects on the parathyroid gland.