Last Updated: March 14, 2024

Potassium is essential for normal bodily function. It is obtained in the diet and found in several foods. Potassium-containing drugs are sometimes used to treat certain conditions. Potassium salts (e.g. potassium chloride) are used in reduced-sodium added-potassium salt substitute interventions and in sodium restriction diets to help treat high blood pressure.

Potassium is most often used for.

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1.^National Academies of Sciences, Engineering, and Medicine; Health and Medicine Division; Food and Nutrition Board; Committee to Review the Dietary Reference Intakes for Sodium and Potassium, Maria Oria, Meghan Harrison, Virginia A. StallingsDietary Reference Intakes for Sodium and Potassium.()
2.^Reddin C, Ferguson J, Murphy R, Clarke A, Judge C, Griffith V, Alvarez A, Smyth A, Mente A, Yusuf S, O'Donnell MJGlobal mean potassium intake: a systematic review and Bayesian meta-analysis.Eur J Nutr.(2023-Aug)
4.^Francesco P Cappuccio, Laura A Buchanan, Chen Ji, Alfonso Siani, Michelle A MillerSystematic review and meta-analysis of randomised controlled trials on the effects of potassium supplements on serum potassium and creatinineBMJ Open.(2016 Aug 26)