Does the Colon Absorb Potassium? An In-Depth Look
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4 min read
Approximately 90% of dietary potassium is absorbed in the small intestine, but the colon's role is more complex, as it can both absorb and secrete potassium to maintain total body homeostasis. Its specific function depends largely on the body's overall electrolyte needs and the concentration of potassium in the gut lumen.