How much potassium is absorbed in the GI tract, and how is it excreted?

Updated: Dec 06, 2018
  • Author: Eleanor Lederer, MD, FASN; Chief Editor: Vecihi Batuman, MD, FASN  more...
  • Print
Answer

Potassium is obtained through the diet. Gastrointestinal absorption of potassium is complete, resulting in daily excess intake of approximately 1 mEq/kg/day (60-100 mEq). Of this excess, 90% is excreted through the kidneys, and 10% is excreted through the gut.


Did this answer your question?
Additional feedback? (Optional)
Thank you for your feedback!