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Medically reviewed by Last updated on March 2, 2021.

What are other common names?

  • Arbainoxylane
  • AX
  • Biobran
  • Cinnamon AX
  • Hemicellulose Complex With Arabinoxylane
  • Kawaratake Mushroom
  • MGN-3
  • Rice Bran
  • Shiitake Mushroom
  • Suehirotake Mushroom

What is this product used for?

Arabinoxylane is used by some people to help support the immune system.

What are the precautions when taking this product?

  • Always check with your doctor before you use a natural product. Some products may not mix well with drugs or other natural products.

  • Take extra care if you are allergic to mushrooms, yeast, or rice bran.

  • Take extra care if you are at a high risk for infection. This includes people who have had a transplant, are on chemo, or have an autoimmune disease.

  • Do not take this product if you are taking drugs that decrease or suppress the immune system. These are drugs like azathioprine (Imuran), cyclosporine (Neoral or Sandimmune), mycophenolate mofetil (CellCept), tacrolimus (Prograf), methotrexate (Trexall), prednisone (Deltasone), or dexamethasone (Decadron).

  • Take extra care and check with your doctor if you have:

    • Kidney problems

    • Diabetes

    • Cancer

What should I watch for?

  • Hard stools

  • Belly pain and cramps

  • Upset stomach

When do I need to call the doctor?

  • Signs of a very bad reaction. These include wheezing; tightness in the chest; fever; itching; bad cough; blue skin color; seizures; or swelling of face, lips, tongue, or throat. Go to the ER right away.

  • Very bad throwing up

  • Change in bowel habits

Last Reviewed Date


Consumer information use

This information is not specific medical advice and does not replace information you receive from your healthcare provider. Only your healthcare provider has the knowledge and training to provide advice that is right for you. You should not rely on this information in deciding whether or not to use, or accept your healthcare provider’s advice regarding use of, any natural products or similar treatments, therapies, or life-style choices. This information does not endorse any natural products or similar treatments, therapies, or life-style choices as safe, effective, or approved for treating any patient or health condition. This is only a brief summary of general information. It does NOT include all information about natural products, possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to you. You must talk with your healthcare provider for complete information about your health and treatment options.


Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.