How does dietary intake of potassium, calcium, and magnesium affect blood pressure (BP)?

Updated: Feb 22, 2019
  • Author: Matthew R Alexander, MD, PhD; Chief Editor: Eric H Yang, MD  more...
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Dietary potassium, calcium, and magnesium consumption have an inverse association with BP. Lower intake of these elements potentiates the effect of sodium on BP. Oral potassium supplementation may lower both systolic and diastolic BP. [79] Calcium and magnesium supplementation have elicited small reductions in BP.

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