Magnesium asparaginate is a magnesium salt of asparagine, an amino acid.
Magnesium asparaginate has been referenced in limited contexts, primarily as a component in a potassium and magnesium asparaginate solution used in cardiac surgery to maintain electrolyte balance.
The compound is not approved as a standalone therapeutic agent or dietary supplement in major jurisdictions such as the United States or the European Union.
Medical uses Magnesium asparaginate, like other magnesium amino acid chelates, could be used as a mineral supplement to prevent and treat magnesium deficiency (hypomagnesemia), which can arise from conditions such as poor diet, alcoholism, medications such as diuretics, or gastrointestinal disorders that impair absorption. Magnesium is vital for normal cellular, nerve, muscle, bone and heart function. Magnesium asparaginate has good oral bioavailability. It is also investigated for its potential benefits in chronic fatigue and recovery after cardiac surgery.
Research Documented use of magnesium asparaginate is limited to a single clinical study in cardiac surgery, where it was combined with potassium aspartate in an intravenous solution to maintain electrolyte balance during coronary artery procedures.
This application is investigational, and magnesium asparaginate is not standard in cardiac care protocols.
Comparison with magnesium aspartate Both magnesium asparaginate and magnesium aspartate are magnesium salts of amino acids, and the difference lies in the amino acids used. Magnesium asparaginate is derived from asparagine, whereas magnesium aspartate is derived from aspartic acid. Both forms are magnesium supplements with similar absorption characteristics. Magnesium asparaginate is typically used in clinical settings for electrolyte management, whereas magnesium aspartate is more common in oral supplementation for conditions related to magnesium deficiency.
Chemistry Magnesium asparaginate, also known as magnesium L-asparaginate, is the magnesium salt of the amino acid asparagine. Its molecular formula is , indicating that two molecules of asparagine coordinate with one magnesium ion to form a neutral compound. In this structure, the divalent magnesium ion (Mg2+) is chelated by the asparaginate anions, which contain both amino and carboxyl groups, allowing stable binding. This chelation enhances the water solubility of the compound, which is important for its absorption and bioavailability as a dietary supplement. Magnesium asparaginate is used to provide magnesium, an essential mineral involved in numerous physiological processes, and asparagine, which plays a role in protein synthesis and cellular metabolism. The coordination chemistry of magnesium asparaginate is similar to that of other amino acid magnesium complexes, where the amino acid ligands stabilize the magnesium ion in solution, contributing to its pharmacokinetic properties.
See also Magnesium aspartate Potassium aspartate
References
External links Magnesium in the diet - MedlinePlus, US National Library of Medicine, January 2023