Faecal Microbiota Transplant - FMT
A novel, specialist treatment option for IBS.
What is FMT?
Faecal Microbiota Transplantation (FMT) involves transferring gut bacteria from a healthy donor into another individual. The aim is to introduce a new, diverse microbial population into the gut. It's also referred to as Intestinal Microbiota Transfer (IMT).
It’s most well-known as a highly effective treatment for recurrent Clostridioides difficile (C. diff) infection, but researchers have also been exploring its role in other conditions, including irritable bowel syndrome (IBS).
The treatment is designed to help restore a healthy balance of gut bacteria, which may be disrupted in some individuals with chronic digestive symptoms. FMT is currently considered an investigational approach for IBS.
Read more about FMT on our blog here.
Who could benefit from FMT?
For people living with chronic, constipation-predominant IBS, faecal microbiota transplantation (FMT) is emerging as a potential support option.
At the Functional Gut Clinic, we offer expert-led assessment and tailored microbiome care to help patients explore the right pathway for them.
Those looking to manage IBS
If you’ve been living with long-term IBS symptoms and want to explore whether our Microbiome Clinic could support you, we’d love to help.
Our FMT package is designed for individuals with chronic IBS (particularly IBS-C) who haven’t seen results from conventional approaches. If that sounds like you, complete our enquiry form to speak with our team and explore your options.
Is this therapy for you?
This isn't for you if…
You have other types of IBS (IBS-D, IBS-M, IBS-U)
You are pregnant or breastfeeding
You have any other significant gastrointestinal medical history, IBD or diverticulitis
You have had FMT in the past 12 months
You are taking immunosuppressive therapies
The Functional Gut Microbiome Clinic
Our premium FMT service is part of our specialist Microbiome Clinic, designed to support you at every step. It is tailored for individuals with long-standing IBS symptoms (particularly IBS-C) who have tried other treatments without success.
This is a comprehensive clinical service, where our focus is on full diagnostic assessment and tailored gut health support.
Your care plan may include:
Detailed consultation and clinical assessment, including a review of medical history and previous test results
Advanced comprehensive diagnostic testing (breath tests, motility, stool analysis)
Action plan and treatment, which may include dietary advice, lifestyle changes and microbiome-based therapy (FMT) where appropriate
Ongoing clinical monitoring and support
PRICING
A tailored plan to suit you
Complete Microbiome & Digestive Health Optimisation
Your individual plan may include the following:
Initial consultation with an expert clinician
Full microbiome, breath and permeability testing
Comprehensive action plan based on test results
Access to a bespoke microbiome treatment package based on eligibility
Follow-up testing & consultation
If microbiome therapy (FMT) is recommended following clinical review, this will be discussed with you in full. Optional diagnostic and therapeutic packages may range from £5,999 to £10,000 depending on your specific needs and agreed plan.
A bespoke package of additional tests or further specialist consultations may be recommended based on your needs.
Our 3-step approach
Step 1:
Comprehensive Gut Health Assessment
We combine advanced stool microbiome analysis with a full suite of the latest digestive diagnostic tests - including breath testing, gut permeability checks and more.
Step 2:
Expert Interpretation & Action Plan
Your results are explained in clear, easy-to-understand language. You’ll get a tailored plan covering diet, lifestyle, and supplements — all based on your unique gut profile.
Step 3:
Ongoing Support & Specialist Care
As needed, you’ll have access to gastroenterologists, gut-directed therapies and emerging microbiome treatments. All under one roof.
Comprehensive gut health & microbiome testing as part of your care plan
Our testing suite combines the most advanced diagnostics with expert clinical interpretation to give you a full view of your gut microbiome, digestive function and overall gut health - with results you can act on.
Identifies the diversity and balance of gut bacteria and other microorganisms, as well as looking for signs of inflammation, infection and other markers
Hydrogen sulphide & other breath testing
Detects bacterial overgrowth and certain food intolerances, for diarrhoea or bloating linked to specific bacteria.
Checks the integrity and functioning of your gut lining.
Identifies bacterial overgrowth in the small intestine.
For low stomach acid or hypochlorhydria.
Measures how quickly food moves through your system.
Why choose the Functional Gut Microbiome Clinic?
The UK’s first full-spectrum microbiome clinic
Actionable results: a clear information pack with guidance
Advanced, evidence-based gut microbiome testing
Experienced multidisciplinary clinical team: physiologists, gastroenterologists, specialist dietitians and gut-focused therapists
Specialist referral network: onward referral to verified professionals as needed
Proven track record: trusted by thousands of patients and healthcare professionals across the UK
What makes us different: A new standard in gut health support
"Faecal microbiota transplantation (FMT) is an emerging area of clinical interest with the potential to support individuals with complex, long-standing IBS where other treatments haven’t helped.
As a research-led clinic, we’re proud to be among the first in the UK to explore its use in carefully selected patients with IBS-C, as part of a comprehensive, step-by-step diagnostic and treatment pathway.
This isn’t a one-size-fits-all approach, but a tailored clinical service grounded in evidence, safety and patient-centred care.”
Prof Anthony Hobson
Founder of The Functional Gut Clinic
Hear from people we’ve helped, just like you.
"Very professional while welcoming and friendly"
"The manner and demeanour of all staff from reception to people carrying out the test was very professional but welcoming and friendly. Atmosphere is very relaxed and all instructions clear and concise."
London Patient
"Highly recommend this"
"Thanks to Dr Hobson and everyone at the Functional Gut Clinic. The whole team is very kind and generous and they are doing things that are cutting edge and they actually get results."
Manchester Patient
"Highly recommend this"
"After stopping my lansoprazole, every time I had a warm drink, I could feel it burn all the way down to my stomach. Thank you to Sam for making me feel at ease." - Manchester Patient
"My experience could not be better"
"Pleasant and knowledgeable staff that made the experience more enjoyable than it should be!" - London Patient
"Very friendly and knowledgeable"
"An excellent service from beginning to end. I would recommend to anyone who was considering having testing done. Very friendly and knowledgeable!" - Manchester Patient
"Very kind and helpful"
"It was also great to have time to talk to the clinicians – very important when you have problems. Reception staff also very kind and helpful." - Manchester Patient
Take your next step
Whether you’re looking for answers to ongoing gut symptoms or want to optimise your health, book your microbiome support below.
FMT FAQ
What is the evidence behind FMT for IBS?
IBS is a complex condition with many possible causes, from food sensitivities and gut-brain signalling to microbial imbalances.
Recent clinical studies have looked at the role of FMT in managing IBS, particularly in people with constipation-predominant IBS (IBS-C). While the evidence is still emerging, early studies suggest that FMT may improve symptoms in select patients, particularly those who haven’t responded to other options.
At the Functional Gut Clinic, we’ve been involved in this evolving area of research and continue to explore the microbiome as a promising avenue for personalised IBS support.
Is FMT available through the Microbiome Clinic?
FMT (or IMT, intestinal microbiota transplant) is currently available under specific regulatory conditions as a "specials" treatment. You can read more about FMT on our blog here, or get in touch to discuss your options with us.
What happens after my testing?
Once your test results are ready, you’ll receive clear, easy-to-understand results, along with treatment guidance based on your results. This may include evidence-based information around diet, lifestyle and supplements. Depending on your results, we may also discuss more advanced treatment options suitable for you.
If your results indicate that further clinical input is needed, we can arrange a consultation with one of our expert clinicians. This may include a neurogastroenterologist (specialising in gut-brain connection, hypnotherapy, gut-focused yoga), a consultant gastroenterologist, or a GP for further treatment options.
Is FMT safe?
FMT has been used in clinical practice for over a decade. In cases of C. diff infection, it has demonstrated high success rates and a favourable safety profile.
Mild side effects can include temporary bloating or changes in bowel habits. Serious side effects are rare and are usually associated with underlying health conditions. FMT is not appropriate for everyone, which is why we follow a strict eligibility process and medical screening before considering it as part of a care plan.
Who is FMT not suitable for?
FMT is not appropriate for people with:
A history of inflammatory bowel disease or colorectal cancer
Active infections or immunosuppressive conditions
Ongoing use of antibiotics or recent antibiotic treatment
Certain surgical histories or digestive conditions unrelated to IBS
Pregnancy or breastfeeding
You’ll be guided through a full eligibility assessment with our team to ensure the service is safe and appropriate for your needs.
Disclaimer: This page is for information only and is not medical advice. All treatments are based on a thorough clinical assessment and results vary between individuals. FMT is only considered in select patients following a full clinical review. This is not considered to be a first-line treatment and is not suitable for all cases of IBS.
Not sure where to start?
Take our 5-minute gut health questionnaire
Our guided self-assessment tool asks you some simple questions to find out more about your symptoms, so we can share personalised recommendations for the most suitable diagnostic tests for you.
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