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Does magnesium supplementation lower my blood pressure if I have high blood pressure?
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Some more conflicting results from competing studies, but overall, the data suggests magnesium modestly lowers blood pressure by about 5 points.
Sanjuliani AF, de Abreu Fagundes VG, Francischetti EA. Effects of magnesium on blood pressure and intracellular ion levels of Brazilian hypertensive patients. Int J Cardiol 1996;56:177-8
Cochrane Database of Systematic Reviews: Plain Language Summaries [Internet]. Accessed 5/31/2019.
Oral magnesium supplementation for high blood pressure in adults