Vitamatic Magnesium Succinate 1000 mg Per Serving (Provides 90mg

What the brand says

Sold as “Vitamatic Magnesium Succinate 1000 mg Per Serving (Provides 90mg Elemental Magnesium) - 180 Capsules - Highly Bioavailable Form - Supports Muscle, Nerve & Heart Health - Non-GMO & Gluten-Free”