What is Magnesium Citrate? Magnesium is a mineral that can be found in a number of foods and is most prevalent in green leafy vegetables such as spinach, nuts and grains. Benefits of Magnesium Citrate Magnesium contributes to a reduction of tiredness and fatigue and electrolyte balance. Magnesium contributes to normal energy-yielding metabolism and normal functioning of the nervous system. Magnesium contributes to normal psychological function, muscle function and normal protein synthesis. It also helps