Diseases that may be prevented by adequate potassium intake include stroke, osteoporosis, kidney stones, and hypertension.

A potassium intake sufficient to support life can in general be guaranteed by eating a variety of foods.

Increasing potassium intake can blunt the effect of too much sodium on blood pressure.

A heart healthy diet also includes low sodium intake and a higher potassium intake.

A low potassium intake raises blood pressure.

But care must be taken by those with kidney disease because of potential dangers in the potassium intake.

High potassium intake relative to calcium and magnesium intake may induce hypomagnesemia.

In ruminants, high potassium intake results in decreased absorption of magnesium from the digestive tract.

Increasing dietary potassium intake has been shown to have a significant effect on blood pressure in populations with high sodium intake.

However studies have found a strong inverse association between long-term adequate to high rates of potassium intake and the development of cardiovascular diseases.