Potassium Health Benefits, Daily Goals, and the 99 mg Supplement Rule

Potassium supplement and food.

Potassium is one of the most important minerals in the body—yet many people don’t consistently reach recommended intake levels. Potassium helps regulate fluid balance, supports normal blood pressure, powers nerve signaling, and allows muscle contraction (including the heart). 

The 2026 Potassium Reality

Most people don’t have a “potassium supplement” problem—they have a food pattern problem. Potassium is easiest to get from everyday foods (especially plants), not pills.

 

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