Magnesium food supplement, it has a beneficial effect in maintaining the norm of numerous physiological functions: antacid effect for the maintenance of electrolyte balance, for example in endurance or multi-sprint sports activities, energy metabolism, nerve transmission and muscle contraction including of the heart muscle, reduction of tiredness and fatigue. Symptoms of a magnesium deficiency may be: muscle weakness, fatigue, nausea, loss of balance, depression, psychosis, irritability or confusion.