Life Extension Magnesium Caps is the best magnesium supplement you could incorporate into your daily routine. The formula delivers 3 forms of magnesium: magnesium oxide, magnesium citrate, and magnesium succinate, which are essential for whole-body health. Most importantly, this supplement offers the daily dose of magnesium your body needs to support your heart health and vascular function. It also supports healthy bone density and healthy nervous system function. Finally, the product is gluten-free, vegetarian, and non-GMO.