Dietary supplement that helps to provide magnesium and calcium in the form of citrates and carbonates, as well as B vitamins to regain physical fitness. Magnesium and calcium are involved in the proper functioning of muscles. Magnesium and B vitamins contribute to the reduction of fatigue while calcium and B vitamins play a role in the nervous system. The presence of selected B vitamins contributes, in addition to magnesium, to reduce stress states.