Linked from
The 6 pages that link to Osmotic diarrhea, each with the reason it gives.
Sugar alcoholRelated: Unabsorbed sugar alcohols can increase intestinal water and loosen stools.
DiarrheaBroader topic: Unabsorbed sugars and salts retain water in the bowel.
SorbitolRelated: Unabsorbed sorbitol can draw water into the bowel and produce this effect.
MaltitolRelated: Unabsorbed maltitol can draw water into the gut, especially at high intake.