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Magnesium Therapy for Hypertension

Magnesium is essential for maintaining healthy blood vessels and overall vascular health. Research shows that magnesium can significantly lower blood pressure in people with mild to moderate hypertension.

A case study of a 55-year-old woman who underwent a routine medical examination revealed her blood pressure was 130/80, considered moderate hypertension under new guidelines. Instead of opting for medication, she chose to explore non-drug therapies. This led to further research into magnesium’s effectiveness as a blood pressure-lowering agent. Results confirmed the importance of monitoring and treating magnesium deficiencies.

Understanding High Blood Pressure

High blood pressure, or hypertension, is a major risk factor for heart disease, strokes, and early dementia. Effectively managing blood pressure is crucial in today’s world.

While there are numerous causes of high blood pressure, recent evidence supports using magnesium as a first-line treatment, provided the systolic pressure is not above 140 and the diastolic pressure is not above 90.

Research by the Centre for Magnesium Education and Research analyzed seven studies and concluded that oral magnesium supplements can reduce blood pressure in hypertensive patients who are also taking antihypertensive medication. This suggests that magnesium is beneficial not only for those avoiding drugs but also for those who need to stabilize their blood pressure while on medication. Other studies indicate that calcium and vitamin E also help lower blood pressure.

Dietary Sources of Magnesium

A diet rich in magnesium—such as nuts, seeds, legumes, soy products, and spinach—can significantly boost magnesium levels and support vascular health.

Mechanisms of Magnesium in Lowering Blood Pressure

Magnesium has an anti-inflammatory effect on blood vessels and prevents calcium deposits, which can harden arteries. It enhances the production of prostacyclin and nitric oxide, natural vasodilators, and alters the response to endothelin, angiotensin, and catecholamines, which affect blood vessel tone and elasticity.

The earlier case study subject successfully lowered her blood pressure through magnesium and dietary changes and continues to maintain healthy levels with regular follow-ups.


If you are considering magnesium supplementation, discuss it with your physician to see if it might be a good fit for your health needs. Magnesium could be a key to managing your blood pressure naturally.


Rosanoff A, Plesset MR – Oral Magnesium supplements decrease high blood pressure in hypertensive subjects on antihypertensive medications.