Nutraxin Magnesium Citrate contains 250 mg magnesium in each tablet. Magnesium contributes to relieve tiredness and exhaustion. Magnesium contributes to the electrolyte balance Magnesium contributes to normal energy metabolism Magnesium contributes to normal muscle function Magnesium contributes to normal protein synthesis Magnesium contributes to protection of normal bones Magnesium contributes to normal protection of teeth Magnesium involves in normal cell division.