Is Xanthan Gum Safe?

Quick Answer: Xanthan gum is generally considered safe by the FDA and is widely used as a thickener in food. It's produced by fermenting sugar with Xanthomonas campestris bacteria. At high doses, it can cause bloating, gas, and digestive discomfort. It should be avoided in premature infants.

Xanthan gum is a polysaccharide used as a thickener and stabilizer in salad dressings, sauces, ice cream, gluten-free baked goods, and cosmetics. It's one of the most versatile food additives and is considered safe by the FDA, EFSA, and WHO. For people following a gluten-free diet, xanthan gum is essential — it replaces the binding properties of gluten in baked goods. Side effects at high doses include bloating, gas, and altered stool consistency, since xanthan gum is essentially a soluble fiber. In 2011, the FDA issued a warning against using SimplyThick (a xanthan gum-based product) in premature infant formula after cases of necrotizing enterocolitis. For healthy adults, xanthan gum in normal food amounts is considered safe.

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Frequently Asked Questions

Is xanthan gum natural?

Xanthan gum is produced by bacterial fermentation (Xanthomonas campestris). While not synthetic, it's a highly processed ingredient that doesn't occur naturally in food.

Can xanthan gum cause digestive issues?

At high doses, xanthan gum can cause bloating, gas, and loose stools. People with IBS or sensitive digestion may want to limit their intake.

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APACheckIt AI. (2026). "Is Xanthan Gum Safe? — CheckIt AI". Climaverse PBC. Retrieved from https://getcheck.it/answers/is-xanthan-gum-safe
MLA"Is Xanthan Gum Safe? — CheckIt AI." CheckIt AI, Climaverse PBC, 2026-03-05. https://getcheck.it/answers/is-xanthan-gum-safe.
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BibTeX@misc{checkit2026answersisxanthangumsafe, title = {Is Xanthan Gum Safe? — CheckIt AI}, author = {CheckIt AI}, year = {2026}, publisher = {Climaverse PBC}, url = {https://getcheck.it/answers/is-xanthan-gum-safe}, note = {Retrieved 2026-03-05} }