Composition based on BIOINORGANIC trace elements that, due to their magnesium content, contribute to: Reduction of tiredness and fatigue. Electrolyte balance. Normal energy metabolism. Normal muscle function. Maintenance of bones in normal conditions. Normal functioning of the nervous system. Normal psychological function. Normal protein synthesis. Amount provided per recommended daily dose: Magnesium: 56.25 mg (15% NRV). Ingredients: Magnesium phosphoricum (Magnesium salts of orthophosphoric acid).Magnesium (Magnesium oxide). Presentation: Package of 60 capsules of vegetable origin. Instructions for use: 1 capsule, 2 times a day.