Hypertension is an important contributor to cerebrovascular and cardio
vascular morbidity and mortality. Nonpharmacological treatment has bee
n an important first-line therapy for mild hypertension. In the last d
ecade, there is increasing evidence from epidemiological, intervention
al, and animal studies for the role of potassium supplementation in th
e management of hypertension. The antihypertensive effect of potassium
is mediated predominantly via natriuresis. Hence, it is especially ef
fective in the management of salt-sensitive essential hypertensive pat
ients. In this review, we will summarize the available data and discus
s the role of potassium supplementation in the management of essential
hypertension.