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Posts tagged ‘Magnesium’

Magnesium Lowers Blood Pressure, New Study Reports



BLOOD PRESSURE CHECK (Photo credit: Morning Calm News)

Researchers from the University of Hertfordshire have found that magnesium supplements may provide clinically significant reductions in blood pressure.

In a report published in the European Journal of Clinical Nutrition, the researchers also discovered that the measure of the effect increased in proportion with increased dosage.

Cardiovascular diseases cause almost 50% of deaths in Europe and contribute heavily to escalating healthcare costs. Elevated blood pressure or hypertension is a major risk factor for mortality from cardiovascular and renal disease.

Causes of hypertension include smoking, an inactive, sedentary lifestyle, a diet high in sodium and an inadequate intake of specific nutrients, especially minerals such as potassium, calcium and magnesium.


“Until now, there’s been inconclusive evidence regarding the effect of magnesium supplements on blood pressure,” explained the researchers from the University of Hertfordshire. “So we conducted a meta-analysis by analysing data from twenty-two trials involving 1,173 people to assess the effect of magnesium on blood pressure.”


In the trials, the magnesium supplementation doses ranged from 120 to 973 mg with between 3 to 24 weeks of follow-up.  Although not all individual trials showed significance in blood pressure reduction, by combining the trials, the overall data indicated that daily magnesium supplementation reduced both systolic and diastolic blood pressure. The best results were observed at the higher dosages.


“The clinical significance in the reductions found from this meta-analysis may be important in helping to prevent hypertension and associated risks around cardiovascular disease,”the researchers reported … “And is worthy of future trials using solid methodology.”


Story Source: University of Hertfordshire

Journal Reference: “Effect of magnesium supplementation on blood pressure: a meta-analysis.” European Journal of Clinical Nutrition, 2012;



This article is for informational and educational purposes only;  It is not intended to provide medical advice, diagnosis or treatment. Consult your doctor, physician or healthcare professional.




Magnesium In The Diet May Reduce Risk Of Stroke

New Study Shows Risk for A Common Type Of Stroke Is Lower In People With More Magnesium in Their Diet calcium, magnesium

Appearing in the February Issue of The American Journal of Clinical Nutrition

People who eat more foods rich in the mineral magnesium (such as dark, leafy green vegetables, nuts, whole grains) appear to reduce their chances of having a stroke, a new study shows.


The link between dietary intake of magnesium and stroke risk was specifically strongest for ischemic stroke, which is when a clot blocks a blood vessel in the brain. Researchers found that the risk for ischemic stroke, the most common type of stroke in older people, was reduced by 9% for each additional 100 milligrams of magnesium a person consumed each day.


Regularly eating magnesium-rich foods also helped reduce the chances of  having any type of stroke. The study found that for every 100 additional milligrams of magnesium per day, people cut their risk of stroke by 8%.

The best natural sources for the magnesium are whole grain products, green leafy vegetables, nuts, and beans. Foods that supply 100 mg milligrams of magnesium a day include: one ounce of almonds or cashews, one cup of beans or brown rice, three-quarters of a cup of cooked spinach or kale, as well as one cup of cooked oat bran cereal.

For the research, Swedish scientists from the Karolinska Institute reviewed data from  seven previously published studies of magnesium intake and stroke. These studies were done between 1998 and 2011, and included more than 240,000 people.


In these studies, people aged 34 and older were followed from eight to 15 years. During  that time, nearly 6,500 people had a stroke. The average magnesium intake of all study participants ranged from 242 milligrams a day up to 471 milligrams daily.


In the U.S., the Recommended Dietary Allowance for magnesium is 420 milligrams (mg) per day for men aged 31 and older, and 320 milligrams daily for women in the same age range.

The study appears in the February issue of The American Journal of Clinical Nutrition. The research showed that people who had higher amounts of magnesium in their diets had a lower risk for stroke. This was true even when the scientists took into account  multiple other factors that may have confounded the results, such as  blood pressure, diabetes, age, smoking, high cholesterol, physical activity, vitamin -mineral supplementation,  other dietary factors, alcohol consumption, and family history of heart disease.

Although it’s still unclear exactly how magnesium reduces stroke risk, the researchers suggest that the benefits of this essential mineral may be related to its ability to lower blood pressure. Diets high in magnesium have also been linked with lower rates of type 2 diabetes, also a risk factor for stroke.


Thus, the study researchers recommend…  “Increased consumption of magnesiumrich foods such as green leafy vegetables,  beans, nuts, and whole-grain cereals appears to be prudent,”


An editorial on the study also encourages people at high risk for stroke to include more foods rich in magnesium in their diets. And it suggests that it’s time for a large study to test  whether taking magnesium supplements can help prevent stroke and heart disease in  adults at high risk for these health problems.   Source: American Journal Of Clinical Nutrition (published online)

Article “Dietary magnesium intake and risk of stroke; a meta-analysis of prospective studies”

Editorial “Magnesium for cardiovascular health: time for intervention”

This article is for informational and educational purposes only;  It is not intended to provide medical advice, diagnosis or treatment.  Consult your doctor orhealthcare professional.

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