Test for SIBO using a simple, at-home hydrogen methane breath test

£165 for test, practitioner review & personal plan

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Your SIBO home test kit includes:

  • Small Intestine Bacterial Overgrowth (SIBO) breath test, analysed by our accredited labs
  • Expertly designed SIBO Diet Plan and mini Healthpath education program, designed to support your health journey
  • Review of your test results and symptoms by a qualified practitioner
  • Your bespoke test report with health plan
  • Tailored supplement plan, based on your SIBO results and symptom questionnaire
  • Free trial to our community support app with access to world-class practitioners, weekly Q&As & education

Learn more about SIBO. Talk to our experts.

SIBO Hydrogen Breath Test UK

About this test


Collection method: Breath

Measures: Hydrogen, Methane

Turnaround time: 14 working days

For this SIBO test, you drink a small amount of sugary solution and collect breath samples over 2.5 hours. The type of gas found in your breath will reveal if you have bacteria where it shouldn’t be, and what type they are. Armed with this information, you’ll receive personalised advice to help you take action.


SIBO test kit

Your SIBO breath test results

Specific markers

Our functional tests are hand-selected to give you unique and useful insight into your biochemistry

Personalised plan

Receive personalised, easy-to-follow recommendations from our registered practitioners

Extra resources

Benefit from expert guidance: the Healthpath Plate, the Healthpath Fundamentals of Health and the Supplement tracker

Associated symptoms for testing

Use of antacids
Multiple antibiotics
Sulphur smelling gas
Milk intolerance
Weight loss
Chronic stress
Floating stools
Dry skin
Low iron levels
Greasy stools
Abdominal pain
Sticky stools
Food poisoning
Low B12 levels
Interstitial cystitis
Fructose intolerance
Food sensitivities
Brain fog

Learn more about your gut health. Talk to our experts.


As seen in


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Healthpath is an absolute must for anybody suffering from unexplained gut issues. I am only ten days into a two month written program of very clever supplement changes. By having the test I now know who the enemy was instead of guessing.

- Antoni


Accredited by

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Everything you need to take charge of your gut health

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Industry-leading tests

Our functional tests are hand-selected to give you unique and useful insight into your biochemistry

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Personalised advice

All results are reviewed by a registered practitioner, so you receive guidance that’s tailored to you

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Support App

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The SIBO connection

Condition of SIBO


of IBS cases are actually believed to be SIBO

Chronic fatigue icon representation


of chronic fatigue syndrome sufferers were found to have SIBO

An illustration of a body in pain


of people with fibromyalgia also have SIBO

Order your test kit, practitioner review + personal plan

Frequently asked questions

Is SIBO a real condition?

Yes, with a few caveats. We refer to SIBO as a condition for simplicity, but it’s technically a dysbiotic state in which there’s too much bacteria in the small intestine. For some people this can cause no symptoms at all, but for others it can contribute to a variety of symptoms. In this way, SIBO isn’t a condition in and of itself—but an imbalance that contributes to other diagnosable conditions. Having said this, SIBO is certainly something that’s detectable and treatable. The North American Consensus, which was written in 2017, defines the state and outlines the best way to test for it. You can read a copy of this consensus here.

How do I know if I have SIBO?

The only way to be sure you have SIBO is to take a breath test. However, if you suffer from IBS, fibromyalgia or rosacea, you’re much more likely to have to condition. Other common SIBO symptoms are listed above.

Who should take this test?

Anyone suffering from IBS or fibromyalgia should take this SIBO test. This is because 84% of IBS cases are actually believed to be SIBO, while 77% of people with fibromyalgia also have SIBO. If you suffer from rosacea or digestive symptoms that haven’t responded to more common interventions, this test could be helpful for you too.

Do you ship outside the UK?

At the moment we only ship to UK addresses. We’re looking to expand, so watch this space.

What’s in the SIBO breath test kit?

1 x test instructions

1 x dietary advice sheet

1 x request form

1 x 15ml drinkable test solution

1 x breath sampler mouthpiece and bag

1 x breath sampler instruction sheet

7 x colour coded, time stamped, glass tubes

1 x bubble wrap return bag

1 x glass tubes protective sleeve

1 x pre-paid return envelope

How do I take this test?

You can see full instructions on our help centre page.

Do I need to stop taking supplements or medications before taking the SIBO test?

You must not stop any medications in order to take this SIBO test. Please speak to your GP first. If you’re currently taking antibiotics or herbal antimicrobials, wait 4 weeks after finishing the course of treatment before taking the test. We recommend avoiding taking probiotics for 48 hours before taking the test.

Is there anything I need to do before taking the SIBO test?

You should avoid high-fibre or slowly digesting foods for at least 24 hours before taking the test. You must also avoid all food 8–12 hours before taking the test. The whole testing process takes 2.5 hours, so you’ll need to make sure you can fit it into your day. Visit our help centre article to learn more about what to do before and during the test.

How long will it take to get my SIBO test results?

Return your samples using the pre-paid returns envelope via post box (choose a priority post box where available). Your sample will be sent to our partner in London (please note the tracking number) and then sent to our lab in Germany. You will receive an update when it arrives in Germany 2- 5 working days after posting.

Your results will be posted on your online account a maximum of 14 days after you return your samples.

How do I view my SIBO test results?

Simply log in to your Healthpath account here and click ‘Tests’. You’ll be able to access your results and personalised recommendations one week after returning your samples (sometimes sooner).

How will I know what my SIBO test results mean?

All your results data is accompanied by clear, jargon-free explanations. Our practitioners also review all results, providing personalised recommendations that are easy-to-follow and specific to you.

Why can’t I get a SIBO test through the NHS?

Functional tests are highly specialised and currently not offered through the NHS. At present, the only option is to pay for them privately. We appreciate you want to spend your money wisely, which is why we only offer tests that are genuinely helpful.

Can I buy a test for my child?

We do offer tests for children, but it’s important you work with a practitioner experienced in working with children.

Personalised, 1 to 1 support with a practitioner is safer and more effective when analysing test results for children and providing appropriate advice.

Please note that SIBO Breath Tests are not suitable for under 8 years of age.

It is important to reach out to our team to discuss the test before you purchase.

Read about testing for children

Contact customer services

Can I claim the cost of the SIBO test on my private health insurance?

It’s possible, though you’ll need to check the details of your insurance to see what’s included.


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