When taken by mouth: Xanthan gum is LIKELY SAFE in the amounts found in foods. It is also LIKELY SAFE when taken as a medicine in doses up to 15 grams per day. It can cause some side effects such as intestinal gas and bloating.

Can xanthan gum upset your stomach?

Xanthan Gum Can Cause Digestive Issues

For most people, the only potential negative side effect of xanthan gum appears to be an upset stomach. Many animal studies have found that large doses can increase the frequency of stools and cause soft stools ( 13 , 14 ).

What are the side effects of xanthan gum?

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.