Magnesium Oxide 400 mg

Magnesium Oxide 400 mg and 3 near-identical products are sold under 4 different brand names — a exact-twin Formula Twins cluster.

Product	Brand
Magnesium Oxide 400 mg	Reliable-1 Laboratories
Magnesium Oxide 400 mg	Rugby
Magnesium Oxide 400 mg	Major
Magnesium Oxide 400 mg	Major Pharmaceuticals