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Xylitol

Also called: Birch sugar, a sugar alcohol

A sweet-tasting sugar alcohol found in small amounts in fruit and birch wood. In saline nasal sprays it helps rinse and moisten the nose, and in gum and mints it helps protect teeth from cavities.

Medical Disclaimer

Supplements can interact with medications and aren't right for everyone, especially during pregnancy or breastfeeding, or with a chronic condition. Ask your provider before you start.

Studied for

  • Nasal and sinus rinsing, in saline sprays
  • Dry or stuffy nose
  • Cavity prevention, in gum and mints

Found naturally in

  • Small amounts in berries, plums, and mushrooms
  • Made commercially from birch wood or corn cobs
What variations of xylitol exist?Our top pick, what to skip, and how to read the label

Label red flags

  • Nasal sprays with added decongestant drugs, if you want a plain rinse
  • Not stored away from dogs

Check with a provider

  • Dogs: xylitol is poisonous to them, even in small amounts. Keep all xylitol products out of reach.
  • Large amounts by mouth can cause gas, bloating, or diarrhea
  • A nasal spray may sting briefly at first
  • Sinus pain with fever, or symptoms lasting more than 10 days, need your provider

Products that contain it

4 products in the Lesher Wellness store list xylitol on the label.

Dr. Lesher, ND

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Dr. Lesher is a Naturopathic Doctor who focuses on autoimmune and chronic conditions in women. Since 2020, she's helped hundreds of patients stop managing symptoms and start healing.

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