What Is Magnesium Aspartate?

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  • Written By: Dee S.
  • Edited By: Jenn Walker
  • Last Modified Date: 11 January 2020
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Magnesium aspartate is a supplement primarily used to increase energy levels, particularly if a person has low levels of the magnesium mineral in his body. Although there are several different types of magnesium supplements, magnesium aspartate is made when the magnesium is combined in its salt form with an amino acid called aspartic acid, or aspartate; this form of the supplement is easy for the body to digest and it absorbs into the blood stream quickly, particularly if it is chelated, or chemically bonded.

A major part of magnesium aspartate is magnesium salt. The supplement is used to increase energy levels and fight fatigue. Some studies have shown that this is accomplished because it allows the body to better metabolize or use carbohydrates. It is also beneficial for improving heart function and the function of the lungs, and is thought to help the body maintain the proper bone density as well. As a result, it is frequently prescribed to post-menopausal women who are deficient in magnesium.

The second component of magnesium aspartate is aspartate, or aspartic acid. Its main function is to fight fatigue and increase energy. It also helps the magnesium absorb into the body — in fact, if the chelated form of magnesium aspartate is consumed, the person will feel the effects of the supplement much faster than other forms.


One of the most common ways to take magnesium aspartate is through a capsule. The capsules can be purchased at health food stores or through Internet websites. It is also available in a liquid, although this form may be harder to find. In many cases, the supplements are purchased over-the-counter, but they normally are only purchased at the suggestion of a doctor. This is usually the case after a blood test has indicated that magnesium levels are low or if a person is afflicted with certain conditions, such as long-term diarrhea or vomiting.

In many cases, magnesium aspartate supplements are not necessary. Magnesium can be found in a variety of foods, such as legumes, lentils, whole grains, chicken and even grapefruit. Eating a well-balanced diet and taking a daily multivitamin should supply the average person with enough magnesium to maintain healthy levels in the body.

There are some side effects that may be experienced by someone taking magnesium aspartate supplements. For example, stomach problems, such as diarrhea and gas, are among the most common side effects. Unless the supplements are prescribed by a doctor, women who are pregnant or breastfeeding should avoid them. In addition, people with kidney disorders may be advised to avoid the supplements as well.


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