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Magnesium May Help Lower Blood Pressure in People With Chronic Illness

People with insulin resistance, pre-diabetes, and other non-communicable diseases are at a high risk of developing high blood pressure. A recent analysis of 11 studies suggests that taking magnesium supplements may help those individuals manage their hypertension.


Researchers from Indiana University examined data from 11 gold-standard randomized controlled trials. In total, the studies had 543 participants, all of whom had insulin resistance, pre-diabetes, or another non-communicable disease. All of the studies had between one and six months of follow-up. The dose of elemental magnesium that was used in the trials ranged from 365 to 450 mg per day. Data on blood pressure was collected at the beginning and end of each trial.


After comparing all of the studies, the researchers found that taking a magnesium supplement was associated with average reductions of systolic and diastolic blood pressure of 4.18 mmHg and 2.27 mmHg, respectively.


The study was published online ahead of print on July 19, 2017, in The American Journal of Clinical Nutrition.


Magnesium helps build bones, enables nerves to function, and is essential to the production of energy from food. Previous studies have linked magnesium to reduced incidences of heart disease, hypertension and diabetes. Magnesium deficiency, which tends to be especially prevalent in older populations, is linked to insulin resistance, metabolic syndrome, coronary heart disease and osteoporosis.


Eating more magnesium rich foods such as green leafy vegetables, meats, starches, grains, nuts and milk is one way to increase your magnesium intake. Taking a supplement is also a good option.

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