Strong evidencemineral
Potassium for High Blood Pressure
Potassium promotes natriuresis (sodium excretion), reduces blood volume, relaxes vascular smooth muscle, and blunts the blood pressure-raising effects of sodium. The sodium-to-potassium ratio is a stronger predictor of BP than sodium alone.
How strong is the research?
Strong evidence
Based on a meta-analysis of multiple studies — the highest level of research evidence.
How much to take
99–200 mg
Supplement in combination with high-potassium diet. FDA limits supplements to 99mg; dietary sources are primary.