It is also used pharmaceutically as an antacid and as a laxative: Magnesium Hydroxide (Mg(OH)2) is a common, inexpensive form of supplemental Magnesium. The oral absorption of magnesium glycinate is regarded as good. It consists of 10% – 18% magnesium bound to 82% – 90% glycine. Magnesium Glycinate is a form of chelated magnesium. This form does not cause diarrhoea and is used as a buffering agent in soda water. Magnesium Gluconate (c12h22o14) consists of 5.3% magnesium bound to 94.7% gluconic acid. Magnesium Fumarate consists of magnesium bound to fumaric acid. An average of 23.5% of magnesium from magnesium diglycinate is absorbed. Magnesium Diglycinate is a form of chelated magnesium that consists of magnesium bound to glycine. Its oral absorption is good as it is less dependent upon hydrochloric acid for absorption compared with magnesium oxide. Magnesium Citrate (mg3(c6h5o7)2) consists of 10.0% – 16.4% magnesium bound to 83.8 – 90.0% citric acid. It is used as a food additive in non-alcoholic beverages and as a liquid form of magnesium supplementation. Magnesium Chloride (MgCl2) consists of 11.8% magnesium bound to 88.2% chloride. The fermentation of yeast does produce undesirable by-products such as urethane/ethyll carbamate that is damaging (a carcinogen) to the immune system and associated with serious disease processes. This form of magnesium is produced from a fermentation process. Most chelated forms of magnesium comprise 10 – 20% magnesium bound to 80 – 90% of an amino acid. The preferred amino acids for chelation with magnesium are aspartic acid or glycine. The absorption of chelated forms of magnesium is good. Magnesium Chelate is a general term for all forms of magnesium where magnesium is bound to (usually) an amino acid. This form of magnesium is present in dolomite, however its absorption rate is poor (23% of magnesium and carbonate is absorbed).
Magnesium Carbonate (MgCO3) is comprised of 40% – 42% magnesium bound to carbon. This form of magnesium produces “hardness” in water. Magnesium Bicarbonate (magnesium hydrogen carbonate mg(hco3)2). It is used as a nutritional supplement because its absorption is good. Magnesium Aspartate is comprised of 7.5% – 20% magnesium bound to aspartic acid (aspartate). Magnesium Arginate is comprised of magnesium bound to arginine. It is used as a food additive in non-alcoholic beverages. Magnesium Acetate is comprised of 11.2% magnesium bound to acetic acid (acetate). Approximately 10% to 15% of intracellular magnesium is in an active form. Approximately 99% of magnesium is intracellular. Intracellular Magnesium is magnesium present within cells.
Approximately 1% of the body’s magnesium is extracellular. This section lists the various forms of supplemental (and non-supplemental) Magnesium.Įxtracellular Magnesium is magnesium present outside of cells. You may find the actual amount of magnesium in the many salt forms much lower than expected.Īll the magnesium forms below are as chemical salts and do not have any association with carrier proteins that are essential for the minerals delivery and use within the body. It is to be remembered that of the many chemical salt forms of magnesium the actual magnesium content varies tremendously. The variable availability for absorption arises from the differing forms of presentation of Magnesium. It is difficult to quantify this as there are so many variable influences, but at least a factor of 2 and a half times can be accepted as usual. In general, “FOOD STATE” form is far more bioavailable for use than any other form. Having been absorbed, the Magnesium still needs to be in the best bioavailable state for use. 30% compared to Magnesium Carbonate has an availability for absorption of approx. 8% compared to Magnesium Orotate which has an availability for absorption of approx. Magnesium citrate has availability for absorption of approx. “Food State” magnesium has availability for absorption of approximately 70% compared to Magnesium Tri-Phosphate. The variable availability for absorption arises from the differing forms of presentation of Magnesium:
#BEST FORM OF MAGNESIUM FOR ABSORPTION FULL#
The very brief comparative absorption rates below are examples before the full section of “Forms of Magnesium” are introduced.
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