Nutrient Database

Potassium

mineral

Approved

General information about nutrients. No diagnosis, no medical advice. If you take medication, are pregnant or have a medical condition, talk to your doctor before taking supplements.

Fasting safe

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Overview

Electrolyte. Potassium contributes to normal muscle function. Potassium contributes to normal functioning of the nervous system.

Interactions

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Potassium requires Mg

Magnesium is needed for the Na⁺/K⁺-ATPase pump that maintains intracellular potassium.

Research status

Potassium contributes to the maintenance of normal blood pressure.

Top 5 food sources

Potatoesbananasspinachavocadoswhite beans
Expert consensus: Strong

Best obtained through diet. Supplement only under medical supervision.

Potassium — Stackwell