magnesium is a co factor in like a hundred different tor hundreds of different types of ensimatic reactions in the body. It's surprising that insufficient magnesium intake has been associated with a whole bunch of metabolic disorders including insolent resistance, high potension and arterial stiffness. Of all the magnesium in the body, 50 % is in the bone, 20% is in the muscle, and the rest is din muscle,. And the rest is distributed in liver, heart and other tissues.