High stress and low magnesium = big trouble. Magnesium is a powerful anti-stress mineral and its deficiency is associated with most irritability or stress cases. Use in those stressful times and high tension periods or use regularly to reduce them. Natural Calm is a breakthrough in magnesium supplements and delivers the highest assimilation possible. Magnesium is perhaps the most vital mineral of the body and when there is a deficiency the body will not function properly in many ways.