How does magnesium help you stay healthy? Your body uses magnesium to support blood flow. It also helps you maintain bone strength and encourage nerve and brain health. Magnesium even helps protect your cells against everyday oxidative stress. This triple magnesium complex combines three forms of magnesium: magnesium oxide, magnesium citrate and magnesium succinate. Each Magnesium Caps capsule delivers 500 mg of this health-promoting mineral, helping your body get the magnesium it needs to thrive.