Potassium
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A mineral electrolyte found widely in fruits and vegetables, added to supplements typically as potassium chloride, citrate, or other salts.
Why it’s used
Taken to support normal fluid balance, nerve signaling, and muscle contraction, and to help meet intake in diets low in fruits and vegetables.
What the evidence is for
supporting normal fluid balance and nerve/muscle function.
What the evidence says
NIH ODS describes potassium's physiological role as well established, with observational evidence linking adequate intake to lower blood pressure. Direct trial evidence on potassium supplements specifically, rather than dietary potassium, is more limited.
Dose studied
2600–3400 mg — adequate intake range for adult men and women, per NIH ODS.
Context
Most research on potassium and blood pressure examines dietary intake patterns rather than isolated supplement doses, and supplement forms are typically limited in strength for safety reasons.
Educational information, not medical or safety advice. Consult a professional for allergies or medical concerns.