Supplement: Magnesium

Supplement: Magnesium

Supplement: Magnesium

Magnesium rich diet

Magnesium rich diet

Magnesium

Magnesium is a nutrient that the body needs to stay healthy. Magnesium is important for many processes in the body, including regulating muscle and nerve function, blood sugar levels, and blood pressure and making protein, bone, and DNA.

Magnesium is found naturally in many foods and is added to some fortified foods. You can get recommended amounts of magnesium by eating a variety of foods, including the following:

  • Legumes, nuts, seeds, whole grains, and green leafy vegetables (such as spinach)
  • Fortified breakfast cereals and other fortified foods
  • Milk, yogurt, and some other milk products

Magnesium is available in multivitamin-mineral supplements and other dietary supplements. Forms of magnesium in dietary supplements that are more easily absorbed by the body are magnesium aspartate, magnesium citrate, magnesium lactate, and magnesium chloride.

Magnesium is also included in some laxatives and some products for treating heartburn and indigestion.

The diets of most people in the United States provide less than the recommended amounts of magnesium. Men older than 70 and teenage girls are most likely to have low intakes of magnesium. When the amount of magnesium people get from food and dietary supplements is combined, however, total intakes of magnesium are generally above recommended amounts.

In the short term, getting too little magnesium does not produce obvious symptoms. When healthy people have low intakes, the kidneys help retain magnesium by limiting the amount lost in urine. Low magnesium intakes for a long period of time, however, can lead to magnesium deficiency. In addition, some medical conditions and medications interfere with the body’s ability to absorb magnesium or increase the amount of magnesium that the body excretes, which can also lead to magnesium deficiency. Symptoms of magnesium deficiency include loss of appetite, nausea, vomiting, fatigue, and weakness. Extreme magnesium deficiency can cause numbness, tingling, muscle cramps, seizures, personality changes, and an abnormal heart rhythm.

The following groups of people are more likely than others to get too little magnesium:

  • People with gastrointestinal diseases (such as Crohn’s disease and celiac disease)
  • People with type 2 diabetes
  • People with long-term alcoholism
  • Older people

Scientists are studying magnesium to understand how it affects health. Here are some examples of what this research has shown:

High blood pressure and heart disease

High blood pressure is a major risk factor for heart disease and stroke. Magnesium supplements might decrease blood pressure, but only by a small amount. Some studies show that people who have more magnesium in their diets have a lower risk of some types of heart disease and stroke. But in many of these studies, it’s hard to know how much of the effect was due to magnesium as opposed to other nutrients.

Type 2 diabetes

People with higher amounts of magnesium in their diets tend to have a lower risk of developing type 2 diabetes. Magnesium helps the body break down sugars and might help reduce the risk of insulin resistance (a condition that leads to diabetes). Scientists are studying whether magnesium supplements might help people who already have type 2 diabetes control their disease. More research is needed to better understand whether magnesium can help treat diabetes.

Osteoporosis

Magnesium is important for healthy bones. People with higher intakes of magnesium have a higherbone mineral density, which is important in reducing the risk of bone fractures and osteoporosis. Getting more magnesium from foods or dietary supplements might help older women improve their bone mineral density. More research is needed to better understand whether magnesium supplements can help reduce the risk of osteoporosis or treat this condition.

Migraine headaches

People who have migraine headaches sometimes have low levels of magnesium in their blood and other tissues. Several small studies found that magnesium supplements can modestly reduce the frequency of migraines. However, people should only take magnesium for this purpose under the care of a health care provider. More research is needed to determine whether magnesium supplements can help reduce the risk of migraines or ease migraine symptoms.

Magnesium that is naturally present in food is not harmful. Magnesium in dietary supplements and medications, however, should not be consumed in amounts above the upper limit, unless recommended by a health care provider.

Magnesium supplements can interact or interfere with some medicines. Here are several examples:

  • Bisphosphonates, used to treat osteoporosis, are not well absorbed when taken too soon before or after taking dietary supplements or medications with high amounts of magnesium.
  • Antibiotics might not be absorbed if taken too soon before or after taking a dietary supplement that contains magnesium.
  • Diuretics can either increase or decrease the loss of magnesium through urine, depending on the type of diuretic.
  • Prescription drugs used to ease symptoms of acid reflux or treat peptic ulcers can cause low blood levels of magnesium when taken over a long period of time.
  • Very high doses of zinc supplements can interfere with the body’s ability to absorb and regulate magnesium.

 


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The information presented is believed to be accurate, however, the publisher accepts no responsibility for the accuracy of the information provided, and the reader assumes all risk for its use. These statements have not been evaluated by the Food and Drug Administration (FDA). These products are not meant to diagnose‚ treat or cure any disease or medical condition. Please consult your doctor before starting any exercise or nutritional supplement program or before using these or any product during pregnancy or if you have a serious medical condition.

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McGuinnessPublishing™ is an authoritative source for information about Vitamin Supplement Ingredients and their use. The information provided on this site is intended for your general knowledge only and is not a substitute for professional medical advice or treatment for specific medical conditions. Always seek the advice of your physician or other qualified health care provider with any questions you may have regarding a medical condition. The information on this website is not intended to diagnose, treat, cure or prevent any disease. Never disregard medical advice or delay in seeking it because of something you have read on this or any website. We always urge you to consult your doctor before taking any vitamins or supplements due to potential side effects.

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