Swanson Magnesium Citrate 100% Pure Powder 227g

Magnesium is an essential mineral and can be found in abundance in seeds, whole grains, dark green leafy vegetables and some types of fish. Magnesium is important because it plays a key role in the basic cellular function of the heart and nervous system. Magnesium is also the catalyst for enzyme reactions that create energy. Swanson's magnesium citrate supplement delivers half of the body's RDA of magnesium in one, highly bioavailable tablet!