Experiencing persistent bloating, gas, or abdominal discomfort? You may be dealing with Small Intestinal Bacterial Overgrowth (SIBO). In this guide, we explore whether a private SIBO test in the UK is worth the investment, what it includes, and where to get tested.
What Is SIBO?
SIBO occurs when excess bacteria grow in the small intestine, leading to symptoms like bloating, cramping, diarrhoea or constipation, and food intolerance. It’s often linked to IBS or past antibiotic use.
How a Private SIBO Test Works in the UK
A private SIBO test usually involves a hydrogen and methane breath test. You drink a sugar solution (typically glucose or lactulose), and then provide breath samples over a 2–3 hour period. The test looks for abnormal gas levels produced by bacterial fermentation.
Why Choose a Private SIBO Test in the UK?
- Quicker results (often within 3–5 days)
- No GP referral needed
- Access to follow-up with nutritionists or gastroenterologists
Private SIBO Test UK Prices (2025)
| Provider | Cost (2025) |
|---|---|
| Healthpath (at-home) | £150–£180 |
| Functional Gut Clinic (London) | £250–£350 |
| Invivo Healthcare | £160–£220 |
Who Should Take a Private SIBO Test in the UK?
SIBO testing is useful if you have:
- Unexplained bloating or gas after meals
- Fluctuating diarrhoea and constipation
- IBS diagnosis with unresolved symptoms
- History of antibiotic use or food poisoning
Where to Book a Private SIBO Test in the UK
- SIBO Breath Test – Health path – In-person breath tests in major UK cities.
- Invivo Healthcare – Practitioner-led testing with reports.
FAQs About Private SIBO Testing
How accurate are SIBO breath tests?
Breath tests are widely used and reasonably accurate, especially when both hydrogen and methane are measured.
Can I get tested for SIBO on the NHS?
It’s uncommon. The NHS does not routinely offer SIBO testing, so most people go private.
Do I need to prepare before the test?
Yes. You’ll likely follow a 1-day prep diet and fast for 12 hours before testing. Providers give detailed instructions.
Are private SIBO tests covered by insurance?
Some private health insurance plans may include gastrointestinal testing. Get a quote to check your coverage.
Is a Private SIBO Test Worth It in the UK?
If you’re dealing with ongoing digestive symptoms and haven’t found relief, a private SIBO test could offer the clarity you need. It’s fast, accessible, and may help tailor a treatment plan. Get a health insurance quote to see if testing is covered under your policy.
For more support, visit our Nutrition & Gut Health section.
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