Magnesium contributes to a reduction of tiredness and fatigue, supports electrolyte balance, the nervous system, normal muscle function, normal psychological function and the maintenance of normal bones and teeth. B6 (pyridoxine) contributes the regulation of hormonal activity, to the reduction of tiredness and fatigue, the energy-yielding metabolism, to normal psychological function and the functioning of the nervous system. Vitamin B6 also contributes to the normal function of the immune system,