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 ...

The body needs the mineral potassium to regulate muscle contraction. The heart, being a muscle, may respond to changes in potassium levels by developing an irregular heartbeat, or arrhythmia. Atrial ...

Alexandria Nyembwe is a registered nurse and health writer. She has worked in street medicine serving populations experiencing homelessness in Skid Row Los Angeles as well as in cardiovascular care in ...

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, ...

Magnesium and potassium play vital roles in your body's muscle and heart functions. Combining them is typically safe for most people. Some people may benefit from taking both magnesium and potassium.