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Sure Signs You're Lacking Magnesium, Say Health Experts

Check before you experience these unfavorable outcomes.

Magnesium is an essential electrolyte, utilized by every cell in the body. But the highly processed foods that comprise the Western diet are low in magnesium, and it's possible to become deficient. The condition isn't very common, and it's been called "the invisible deficiency," because it's easy to miss. These are some of the sure signs you're lacking magnesium, according to experts. Read on to find out more—and to ensure your health and the health of others, don't miss these Sure Signs You've Already Had COVID.



Woman using a laptop at home stops, her hand to her head.

According to the Cleveland Clinic, fatigue is one of the most common first signs of magnesium deficiency. Because magnesium's main role is to convert food into energy, if you lack magnesium, you might find yourself dragging.

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Woman is touching her stiff shoulder.

When a person is deficient in magnesium, the potassium levels inside muscle cells decline, a condition called hypokalemia. This lack of potassium can cause muscle weakness, also known as myasthenia.

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Muscle Spasms

Ankle pain, painful point. Unhappy woman suffering from pain in leg at home

Another important role of magnesium is helping muscles relax after contracting. If you lack adequate magnesium, you might experience muscle cramping or spasms. Magnesium also aids nerve transmission, so a deficiency can even progress to numbness, tingling and seizures, the National Institutes of Health says.

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Loss of Appetite

lack of appetite

According to the National Institutes of Health, loss of appetite is a common early sign of magnesium deficiency. You might also experience nausea or vomiting.

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High Blood Pressure

Senior female gynecologist checking woman with blood pressure gauge in hospital.

Magnesium relaxes blood vessels and lowers blood pressure. If your BP is too high, a magnesium deficiency may be to blame. According to the Mayo Clinic, chronically low levels of magnesium increase the ​​risk of high blood pressure and heart disease.

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How Much Magnesium Is Enough?


According to the Cleveland Clinic, adults need 400 mg of magnesium each day. Good sources include leafy green vegetables, nuts, seeds, avocados and beans. It's a good idea to check with your doctor if you suspect you have a magnesium deficiency, and before you start taking any kind of supplement. And to get through this pandemic at your healthiest, don't miss these 35 Places You're Most Likely to Catch COVID.

Michael Martin
Michael Martin is a New York City-based writer and editor. Read more about Michael