This reverse ratio formula is designed to provide higher levels of Magnesium for those who desire the nerve, muscle & bone supporting effects of this essential mineral. Zinc & Magnesium are involved in hundreds of enzyme systems in the body.* As a dietary supplement, take 3 tablets daily, preferably with meals or at bedtime. Cellulose, Maltodextrin, Stearic Acid, Croscarmellose Sodium, Silica, Magnesium Stearate & Vegetable Coating.