What Happens to Your Blood Pressure When You Start Taking Magnesium

Health: Trusted and Empathetic Health and Wellness Information • February 24, 2026 • health

Key Points:

Magnesium is a vital mineral that supports immune function, muscle and nerve health, bone strength, and heart rhythm, with research indicating potential heart benefits from supplementation.
Studies show that taking 500 to 1,000 mg of magnesium daily may reduce systolic blood pressure by 2.7 to 5.6 mm Hg and diastolic pressure by 1.7 to 3.4 mm Hg, particularly in individuals with hypertension.
High blood pressure is linked to increased risks of coronary heart disease, congestive heart failure, and strokes, highlighting the importance of managing blood pressure effectively.
Magnesium may lower blood pressure by influencing bodily pathways that reduce blood volume and improve arterial flexibility, though further research is needed to fully