October 5, 2026 · 11 MIN
Oral Rehydration Science: How Glucose-Sodium Co-Transport Drives Fluid Absorption
Oral rehydration science reveals that the SGLT1 glucose-sodium co-transport protein can increase intestinal water absorption by 3-4x compared to plain water. Understanding this mechanism explains why the right carbohydrate-to-sodium ratio in your drink matters as much as total fluid volume.
