"Xanthan gum is a sugar-like compound made by mixing aged (fermented) sugars with a certain kind of bacteria. It is used to make medicine.
Xanthan gum is used for lowering blood sugar and total cholesterol in people with diabetes. It is also used as a laxative.
Xanthan gum is sometimes used as a saliva substitute in people with dry mouth (Sjogren's syndrome).
In manufacturing, xanthan gum is used as a thickening and stabilizing agent in foods, toothpastes, and medicines. Xanthan gum is also an ingredient in some sustained-release pills."