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Magnesium, Why it is critical for Thyroid patients

Jun 17, 2010 - 0 comments








This Data was compiled by John Johnson of

The above link is a must read, especially for any hyperthyroid patient


Because of the competing nature of calcium and magnesium, excessive calcium intake from foods or supplements can lead to a magnesium deficiency. The symptoms of magnesium deficiency are identical with many of the symptoms of thyroid disease, especially hyperthyroidism. People of Asian descent who get hyperthyroidism often become completely rigid and may be found lying in the streets this way. The condition is called hypokalemic periodic paralysis and is highly associated with hyperthyroidism. It's possible that the origin of the disease is not from low potassium (hypokalemia) but from low magnesium, which we know is a factor in hyperthyroidism.


The principal function of magnesium that is critical in thyroid disease is that it enables muscles to relax. With inadequate magnesium, the muscles cramp. When this happens to the heart muscles the heart does not go through a complete relaxation phase, and the next calcium-driven contraction begins before the relaxation is complete. This results in rapid heart beat and irregular heart rate known as arrhythmia.

Deficiency Effects and Symptoms:

According to the Nutrition Almanac, "Magnesium deficiency can easily occur because magnesium is refined out of many foods during processing. Cooking food removes the minerals; the oxalic acid in foods like spinach and phytic acid found in cereals bind magnesium in the body, as do unbalanced amounts of salts....A deficiency can occur in people with diabetes, those who use diuretics or digitalis preparations, the elderly, those with pancreatitis, chronic alcoholism, kwashiorkor, pregnancy, cirrhosis of the liver, arteriosclerosis or kidney malfunction, those on low-calorie or high-carbohydrate diets, and those who have severe malabsorption such as that caused  by chronic diarrhea or vomiting....Fluoride, high zinc levels, high levels of vitamin D, diuretics, and diarrhea will cause a deficiency of magnesium."

"This second study examines the effect of magnesium on the sodium-potassium pump in the heart.  Magnesium deficiency is demonstrated to leave the number of pumps unaltered but to decrease the activity of the pumps.  This appears to result in an increase of sodium inside the cells with consequent arrhythmias in the heart.  This is evidence that supplementing magnesium can control rapid and irregular heartbeat experienced in hyperthyroidism."

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