Magnesium Citrate is a well-absorbed, non-food form of magnesium. This product provides 80mg of elemental magnesium in each magnesium citrate capsule. Magnesium is needed as a cofactor for over 300 enzymes. It has also been shown to contribute to the reduction of tiredness and fatigue, muscle function and the maintenance of normal bones and teeth. How to Use: 1-2 capsules daily with food as a food supplement or as directed by a practitioner.