Medically reviewed by Sohaib Imtiaz, MD Key Takeaways Potassium supplements can help lower blood pressure if your potassium ...

Some healthy foods can also be risky if your kidneys are not healthy. Bananas, oranges, potatoes, and spinach all have high ...

Bananas may help lower blood pressure due to their high potassium content, which supports kidney function by promoting sodium excretion and relaxing blood vessels. A 2025 study found sex-specific ...

Getting enough potassium helps maintain healthy blood pressure and may lower risks of heart attack, stroke, and kidney disease. A higher potassium intake may also reduce risks of kidney stones, ...

Bananas are not the best source of potassium. Kidney beans, dried apricots, and orange juice all have higher concentrations of potassium than bananas.

Hypokalemia and even low-normal plasma potassium levels increase the risk of ventricular arrhythmias among patients with cardiovascular disease. An assessment of a strategy of actively increasing ...

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Taking blood pressure meds? Experts explain which foods and drinks can interfere—and how to avoid common mistakes.