How this product worksCombining a blend of magnesium compounds into one tablet daily, Bio-Organics Magnesium Forte may be beneficial for nocturnal leg cramps and sleeplessness associated with restless legs. It may also help relieve PMS symptoms including mood swings, irritability, tiredness and fatigue. Extra co-factors have been added, like vitamin B6 which works synergistically with magnesium.Directions for use Recommended Adult Dosage: Take one tablet daily with food, or as recommended by your healthcare professional.Caution Vitamin supplements should not replace a balanced diet. If symptoms persist, see your healthcare professional. Do not use if cap seals are missing or brokenEach tablet contains Magnesium oxide - heavy 457mg, Magnesium citrate nonahydrate 870mg (equiv.