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Updated: Feb 24, 2026

Making, Testing, and Using Potassium Ion Selective Microelectrodes in Tissue Slices of Adult Brain
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Revised Reference Values for Potassium Intake.

Daniela Strohm1, Sabine Ellinger, Eva Leschik-Bonnet

  • 1German Nutrition Society, Bonn, Germany.

Annals of Nutrition & Metabolism
|August 14, 2017
PubMed
Summary
This summary is machine-generated.

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New 2017 guidelines recommend increased potassium intake for all age groups, from infants to adults. Consuming potassium-rich foods is advised, but supplements beyond recommended values offer no health benefits.

Area of Science:

  • Nutrition Science
  • Public Health Recommendations
  • Dietary Guidelines

Background:

  • The nutrition societies of Germany, Austria, and Switzerland updated potassium intake reference values in January 2017.
  • These revisions impact dietary recommendations across various age demographics.

Purpose of the Study:

  • To establish revised reference values for daily potassium intake.
  • To provide guidance on optimal potassium consumption for different life stages, including infants, children, adolescents, adults, and lactating women.

Main Methods:

  • Adult reference values were determined using 24-hour urinary potassium excretion and considering hypertension and stroke prevention.
  • Values for children and adolescents were extrapolated from adult data based on body mass.
  • Infant values were derived from breast milk intake (0-4 months) and extrapolation (4-12 months).
Keywords:
Nutrient intakePotassiumReference value

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  • Lactating women's values accounted for potassium loss through breast milk.

    • Main Results:

    • Recommended daily potassium intake: 400 mg (0-4 months), 600 mg (4-12 months), 1,100-4,000 mg (children/adolescents), 4,000 mg (adults/pregnant women), 4,400 mg (lactating women).

    Conclusions:

    • Increased consumption of potassium-rich foods is generally recommended.
    • Supplemental potassium intake beyond established reference values is not advised due to a lack of proven health benefits.