Why Your Body Needs Potassium (and How to Get Enough) - Ask a Nutritionist

October 22, 2026

Are you getting enough potassium in your diet? Registered dietitian Alyssa Krejci explains why this essential electrolyte matters for heart health, blood pressure, muscle function, and fluid balance. Discover potassium-rich foods beyond bananas, simple ways to get more potassium through everyday meals, and what low or high blood potassium levels may mean for your health. Plus, learn why getting potassium from food is generally preferable to taking supplements without medical guidance