Sorbitol can be used to treat constipation. It can be taken by mouth or as a suppository. Sorbitol is a laxative known as an osmotic. It essentially draws water into the bowel and causes the bowel to become slightly distended.
Sorbitol can be used for many things including treating constipation because it works as a laxative to stimulate bowel movements. Sorbitol is also used as a sweetener and can be found in many diet foods.