Magnesium 400 mg, 100 capsules, Bronson Laboratories It is designed to support bone formation, carbohydrate metabolism, proper nerve muscle impulses and energy production. Bronson Magnesium 400 mg is supplied in the form of magnesium oxide, the form considered beneficial to help relieve heartburn or indigestion. Active ingredients per capsule: Magnesium 400 mg (magnesium oxide). Other ingredients: Microcrystalline cellulose, modified cellulose (vegetarian capsule), magnesium stearate, silicon dioxide. Administration method: Only for adults, 1 capsule per day, swallowed with a glass of water. Presentation: 100 capsules