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What Is Magnesium Gluconate?

By Anthony Isaac Palacios

Magnesium is an essential mineral that plays vital roles in nervous system, muscle and cellular function. Individuals suffering from low magnesium blood levels can experience symptoms of muscle weakness, irregular heartbeat and seizures, according to Children's Hospital of Pittsburgh. Research shows that magnesium gluconate supplements can be beneficial for individuals with a magnesium deficiency.


Magnesium gluconate is an organic compound with the chemical formula C12H22MgO14, according to Science It is a non-flammable white solid that is odorless and tasteless. Dietary sources of magnesium include nuts, beans, cereal grains and dark green leafy vegetables.


Magnesium gluconate is available in a tablet or liquid form. MedlinePlus reports that it is generally administered orally two to four times a day. Magnesium gluconate should be taken with food to prevent unwanted side effects and improve absorption. Magnesium gluconate supplements are available in a dose of 500 mg per tablet, according to Children's Hospital of Pittsburgh.


Magnesium gluconate is typically used to treat individuals who suffer from low blood magnesium levels, according to MedlinePlus. It works by restoring or maintaining healthy amounts of magnesium needed by the body. Low blood magnesium levels can be caused by certain disorders that affect the GI tract and kidneys. KidsHealth from the Nemours Foundation reports that magnesium gluconate is also administered to children to support growth and well-being as well as treating low magnesium levels.

Magnesium gluconate was also reported to be beneficial for preventing pregnancy-induced hypertension, according to a Chinese study led by Dr. S. Li and conducted at the Third Hospital of Beijing Medical University. The results, which appeared in the October 1997 issue of the "Chinese Journal of Obstetrics and Gynecology," reported that 3 g of oral magnesium gluconate daily significantly reduced the risk of hypertension in pregnant women.


Magnesium gluconate is not recommended for individuals who are allergic to magnesium. Certain medical conditions can interact with magnesium gluconate, according to Individuals with appendicitis, heart problems or kidney disorders or who are pregnant should consult with their physician or pharmacist before using magnesium gluconate.

Prescription drugs such as anticoagulants and biphosphonates may interact with magnesium gluconate and should be avoided unless under the supervision of a health-care provider.

Side Effects

The most common side effects associated with magnesium gluconate use are diarrhea, gas and upset stomach. Individuals allergic to magnesium gluconate may experience rash, hives, difficulty breathing, nausea and swelling of the face. Seek emergency medical attention if you experience symptoms of vomiting, dizziness or skin flushing.

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