Potassium Intake and Blood Pressure: A Dose-Response Meta-Analysis of Randomized Controlled Trials
Filippini T, Naska A, Kasdagli MI, Torres D, Lopes C, Carvalho C, Moreira P, Malavolti M, Orsini N, Whelton PK, Vinceti M
Published in Journal of the American Heart Association
Methodology
Dose-response meta-analysis of randomized controlled trials of potassium supplementation and blood pressure
Key Findings
Blood pressure fell with increasing potassium intake up to about 90 mmol/day, with the strongest effects in hypertensive participants not on medication
Conclusions
Potassium intake lowers blood pressure in a dose-dependent manner within a defined range
Limitations
Mostly short trials using supplements rather than dietary potassium
Supplements Studied
Blood pressure fell with increasing potassium intake up to about 90 mmol/day, with the strongest effects in hypertensive participants not on medication
Outcomes Measured
Blood pressure fell with increasing potassium intake up to about 90 mmol/day, with the strongest effects in hypertensive participants not on medication
We observed a U-shaped relationship between 24-hour active and control arm differences in potassium excretion and BP levels.
Related Health Concerns
Study Details
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This information is for educational purposes only. Always consult a healthcare professional before starting any supplement regimen.