Potassium – a scoping review for Nordic Nutrition Recommendations 2023

  • Ulla Toft Center for Clinical Research and Prevention, Copenhagen University Hospital, Frederiksberg, Denmark; and Department of Public Health, University of Copenhagen, Copenhagen, Denmark
  • Nanna Louise Riis Center for Clinical Research and Prevention, Copenhagen University Hospital, Frederiksberg, Denmark
  • Antti Jula Department of Clinical Medicine, University of Turku, Turku, Finland
DOI: https://doi.org/10.29219/fnr.v68.10365
Keywords: potassium, minerals, hypokalaemia, hyperkalaemia, hypertension, nutrition recommendations

Abstract

Potassium (K) is an essential mineral that is necessary for normal cell and membrane function and for maintaining both fluid balance and acid-base balance. Potassium is furthermore very important for normal excitation, for example in nerves and muscle. It is widely available in several food products, with the most important dietary sources being potatoes, fruits, vegetables, cereal and cereal products, milk and dairy products, and meat and meat products. Potassium deficiency and toxicity is rare in healthy people, but dietary potassium is associated with other health outcomes. Results from observational studies have shown that a potassium intake above 3500 mg/day (90 mmol/day) is associated with a reduced risk of stroke. Similarly, intervention studies provide evidence that this level of potassium intake has a beneficial effect on blood pressure, particularly among persons with hypertension and in persons with a high sodium intake (>4 g/day, equivalent to >10 g salt/day).

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Published
2024-02-07
How to Cite
Toft U., Riis N. L., & Jula A. (2024). Potassium – a scoping review for Nordic Nutrition Recommendations 2023. Food & Nutrition Research, 68. https://doi.org/10.29219/fnr.v68.10365
Issue
Vol 68 (2024)
Section
Nordic Nutrition Recommendations
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