Magnesium is an essential nutrient necessary for the optimal functioning of the nervous system, muscle function, strong bones and strong teeth, normal energy-yielding metabolism, protein synthesis and electrolyte balance. Magnesium also contributes to a reduction of tiredness and fatigue and normal psychological function. Magnesium’s role in contributing to normal muscle function may help with restful and rejuvenating sleep. Magnesium Citrate is a form of Magnesium that is bound to a citrate molecule and is regarded as one of the most absorbable forms of Magnesium. MagCitra tablets provide 300mg of elemental Magnesium. The word “elemental” refers the amount of Magnesium actually absorbed by the body.