Fructose Malabsorption Testing

Is gut pain impacting your everyday life?

Many individuals with real, treatable digestive problems find that they get brushed aside, ignored, or misdiagnosed. In the meantime, they suffer from stomach pain, bloating, and other symptoms. Our fructose breath test can help you regain control of your health.

Get a Fructose Breath Test

Fructose is a sugar found naturally in fruits and other foods. Unfortunately, not every person’s body can process fructose correctly. A fructose intolerance test can determine the reason for inconvenient and embarrassing symptoms, among them excessive gas, abdominal cramps, and nausea. Get tested today so you can know what steps to take next.

Our Fructose Malabsorption Test Process


Register or order

Schedule your test online and complete a brief registration form. Alternatively, order a test for home use.



This test requires the patient to take nothing by mouth (NPO) for 12 hours, avoidance of certain foods for 24 hours, and no smoking for at least an hour.


Get tested

Commit at least three hours for the fructose malabsorption test. If you test at home, make sure to follow the instructions carefully, as it can affect the accuracy of the test.


Get results

Get results the same day for in-office visits or within a day after your test has been received for at-home tests.

Fructose malabsorption can look like many other illnesses. Get an accurate fructose breath test today to be certain.


How to Take a Gastro Breath Test

  • Schedule a time to get tested at one of our Massachusetts-based testing centers, or buy a fructose intolerance test at home.
  • Follow the directions to the letter, especially for home tests, as incorrect preparation can affect the accuracy of the results. This test is a breath test, so it is non-invasive.
  • Get results the same day you take your test. Or, send in your home test results for our expert analysis and get results within one day from when we receive your test.
  • Discuss next steps with your health care provider. You can now head into your doctor’s office with all the information you need in hand.

The AllClear Difference

  • Personalized tests when you need them
  • State of the art, best in class testing options
  • Accurate, lab-verified testing
  • Easy-access online results
  • Testing for everyday life—work, home, and social events
  • Convenient city center testing locations

Our Boston Locations

Moving – New Location Information Coming Soon

Our Beverly Locations

900 Cummings Center, Suite 214U, Beverly, MA 01915


Frequently Asked Questions

The fructose breath test is considerably more accurate than blood tests. However, failing to comply with the testing instructions can cause a false negative test in some cases.

Talk to your care provider about next steps, particularly if your condition has affected your work or quality of life. Avoid foods with excessive fructose and consider taking other tests to see if you have additional conditions that may be contributing to your symptoms.

If you have been diagnosed with IBS in the past and can’t find relief for bloating, nausea, abdominal cramps, and/or gas, this test is perfect for you. Consider discussing a fructose malabsorption test with your doctor.

We also provide best-in-class COVID testing, 4-Plex (Covid, RSV, Flu A&B) testing, SIBO testing, lactose intolerance testing, and more.

Take a look at our home page for information on more testing options.