Most adults need around 3,500–5,000 mg of potassium daily to help lower blood pressure. Foods like tomatoes, potatoes, and squash are good sources of the nutrient.

Potassium plays a crucial role in our diet. We spoke to experts about the best ways to get more of it.

Share on Pinterest Maintaining high blood potassium levels, for instance, by taking supplements, may help lower heart failure risk. Image credit: Viktoriya Skorikova/Getty Images A new trial ...

Q: Last week, my oncologist's office called to inform me that, after a routine blood test, my potassium level was too high. The nurse said it wasn't a very high level, and I should attempt to control ...

DEAR DR. GOTT: Please explain to me what causes high potassium levels. I have been diagnosed with high potassium but don’t know exactly how high it is or the cause. When I watched my diet, the levels ...

Madrid, Spain – 29 August 2025: Targeting high-normal potassium levels reduced the risk of arrhythmias, hospitalisation for heart failure or arrhythmia and death compared with no intervention, ...

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 ...