 First of all, in order to function at all, your body needs magnesium. It's probably, of all the vitamins I could list, magnesium is probably the most important vitamin on the planet right now. I've not heard a whole lot about magnesium. I mean, why is magnesium so important? There's over 325 biochemical reactions that magnesium is involved with. It's almost like a hormone. Wow. And, for example, with low levels of magnesium, your heart won't beat. Ooh. Very important factor in life.