The effect of potassium supplementation on blood pressure in hypertensive subjects: A systematic review and meta-analysis

Potassium supplementation in hypertensives was generally associated with decreased blood pressure, particularly in high sodium consumers, subjects not on hypertensive drug treatment, and those in the lowest category of potassium intake. An adequate dietary intake of potassium, in the order of 90 mmol/day, should be achieved for blood pressure control.