is xanthan gum safe
XANTHAN GUM Side Effects & Safety. Xanthan gum is safe when up to 15 grams per day are taken. It can cause some side effects such as intestinal gas (flatulence) and bloating. People who are exposed to xanthan gum powder might experience flu-like symptoms, nose and throat irritation, and lung problems.t 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.