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[Potassium substitution in fasting]

R Kellner, F Matzkies, D Sailer

    Zeitschrift Fur Ernahrungswissenschaft
    |June 1, 1977
    PubMed
    Summary
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    Potassium supplementation during a 14-day fast helps maintain acid-base balance and minimizes crucial potassium loss. This intervention proves beneficial despite identical body weight loss between groups.

    Area of Science:

    • Nutritional science
    • Human physiology
    • Metabolic studies

    Context:

    • Fasting is a common practice with potential metabolic consequences.
    • Understanding nutrient management during caloric restriction is vital.
    • Electrolyte balance is critical during prolonged fasting.

    Purpose:

    • To investigate the effects of potassium supplementation during a 14-day fasting period.
    • To assess potassium's role in maintaining acid-base balance during starvation.
    • To evaluate the impact of potassium on preventing electrolyte depletion.

    Summary:

    • Twenty patients were divided into two groups for a 14-day fast.
    • One group received 80 mEq of potassium daily.
    • Potassium administration aided in maintaining acid-base balance and minimized potassium loss, despite comparable body weight reduction.

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    Impact:

    • Potassium supplementation is a viable strategy to mitigate electrolyte disturbances during fasting.
    • Highlights the importance of electrolyte management in nutritional interventions.
    • Provides evidence for preserving physiological balance during caloric restriction.