Magnesium Citrate is one of the most absorbable forms of Magnesium. It is an essential mineral that contributes to normal muscle and nervous system function. It contributes to the maintenance of healthy bones, teeth, and the reduction of tiredness and fatigue. It also contributes to electrolyte balance, normal energy-yielding metabolism and protein synthesis. It may also support a healthy immune system and cardiovascular function, and may be beneficial to help with cramps.