Gut Health Specialist in London
If you have been through NHS investigations, received a diagnosis of IBS, and been told there is nothing more to be done — there is another option. Elena Rolt IFMCP uses advanced functional testing to find what standard medicine misses.
With over a decade of clinical experience and more than 500 clients helped, Elena offers a science-led, root-cause approach to gut health that goes far beyond symptom management. All consultations are online, with test kits sent directly to your home across London and the UK.
Certified
IFMCP • BANT • CNHC
500+ clients helped
What to Look for in a Gut Health Specialist in London
London has no shortage of practitioners claiming to address gut health. The difference between a genuinely effective specialist and a generalist offering dietary advice lies in three things: credentials, diagnostic rigour, and a personalised, evidence-based approach.
Recognised Professional Credentials
Look for practitioners registered with BANT (British Association for Nutrition and Lifestyle Medicine) and CNHC (Complementary and Natural Healthcare Council). The IFMCP (Institute for Functional Medicine Certified Practitioner) designation indicates completion of a rigorous, evidence-based training programme. Elena holds all three.
Advanced Diagnostic Testing
A good gut health specialist does not rely on symptom questionnaires alone. They use validated laboratory testing — functional blood panels, microbiome sequencing, SIBO breath tests — to identify the specific imbalances driving your symptoms.
Evidence-Based Approach
Functional medicine is grounded in peer-reviewed research. Elena's protocols are informed by the latest evidence in gastroenterology, nutritional science, and microbiome research — not trends or unvalidated therapies.
Personalised, Not Protocol-Based
No two gut microbiomes are identical. A specialist who applies the same protocol to every client is not practising functional medicine. Every recommendation Elena makes is based on your specific test results, symptom history, and health goals.
Why London Patients Seek Private Gut Health Support
The NHS is excellent at identifying and treating serious structural disease. But for the millions of people with functional gut conditions — IBS, SIBO, microbiome dysbiosis, food intolerances — the conventional pathway often ends with a diagnosis and no clear route to resolution. This is the gap that functional medicine fills.
Average GP appointment: 9.2 minutes
NHS appointments are designed for acute, single-issue presentations. Complex, multi-system gut conditions — IBS, SIBO, microbiome dysbiosis — require a fundamentally different level of investigation than a standard 10-minute consultation can provide.
Standard bloods miss most gut imbalances
A routine NHS blood panel covers around 12–15 markers. A functional health assessment covers 100+, including micronutrients, inflammatory markers, hormonal metabolites and gut-specific biomarkers that rarely appear on standard panels.
Gastroenterology focuses on pathology, not function
NHS gastroenterology is designed to rule out serious disease — not to optimise gut function. A normal colonoscopy or endoscopy does not mean your gut is functioning well; it means structural disease has been excluded. Functional gut conditions fall outside this scope.
Functional medicine does not replace conventional medicine — it works alongside it. Elena reviews NHS and private test results as part of every assessment, and refers clients back to their GP or a specialist when appropriate. The goal is to give you a complete picture, not to work in isolation.
Gut Microbiome Testing in London
The gut microbiome — the trillions of bacteria, fungi, and other microorganisms living in your digestive tract — plays a central role in digestion, immunity, mood, and metabolism. When the microbiome is disrupted, the effects are felt throughout the body.
Elena uses Microba gut microbiome testing, one of the most advanced microbiome analysis platforms available in the UK. Unlike basic stool tests, Microba uses shotgun metagenomic sequencing to identify every organism in your gut at species level — providing a level of detail that standard testing cannot match.
The test kit is sent directly to your London address. You collect a sample at home and return it by post. Results are typically available within 3–4 weeks and are reviewed with Elena in a dedicated 60-minute consultation, with a personalised rebalancing plan based on your specific microbiome profile.
What Microba Testing Reveals
- Species-level identification of all gut bacteria, fungi, and archaea
- Diversity score and comparison to healthy reference ranges
- Presence of beneficial keystone species (Akkermansia, Faecalibacterium prausnitzii)
- Overgrowth of opportunistic or pathogenic organisms
- Short-chain fatty acid production capacity
- Inflammatory markers and gut barrier integrity indicators
- Personalised dietary and supplement recommendations
How the Process Works for London Clients
Everything is designed to be straightforward, with no unnecessary clinic visits. All consultations are conducted online via video call, and all test kits are sent directly to your home — whether you are in Central London, North London, South London, or anywhere across the UK.
Free 20-Minute Discovery Call
We start with a no-obligation call to understand your symptom history, what you have already tried, and which programme is most appropriate for your situation. There is no pressure and no commitment required.
Advanced Diagnostic Testing
Depending on your presentation, testing may include a 100+ biomarker functional blood panel, Microba gut microbiome analysis, SIBO breath testing, or a combination. All test kits are sent directly to your home — no clinic visits required.
Results Interpretation Consultation
Your results are reviewed in a dedicated 60-minute consultation. Elena explains exactly what the data shows, what is driving your symptoms, and the evidence behind each recommendation — in plain language, not medical jargon.
Personalised Protocol
You receive a written protocol covering dietary changes, targeted supplementation, lifestyle adjustments and, where relevant, referrals for additional testing or specialist input. Protocols are updated as your results improve.
Conditions Addressed Through Functional Gut Medicine
Gut health is rarely an isolated issue. The gut communicates with every major system in the body — the brain, the immune system, the endocrine system, and the skin. Many conditions that appear unrelated to digestion have their roots in gut dysfunction. Elena works with clients presenting with a wide range of conditions, many of which have not been adequately addressed through conventional pathways.
Digestive Conditions
- IBS (irritable bowel syndrome)
- SIBO (small intestinal bacterial overgrowth)
- Bloating and abdominal distension
- Constipation and diarrhoea
- Acid reflux and GERD
- Food intolerances and sensitivities
- Candida overgrowth
- Leaky gut (intestinal permeability)
Systemic Conditions Linked to Gut Health
- Chronic fatigue and post-viral fatigue
- Brain fog and poor concentration
- Anxiety, low mood and stress
- Hormonal imbalances and PMS
- Perimenopause and menopause symptoms
- Skin conditions: acne, eczema, rosacea
- Autoimmune conditions
- Histamine intolerance
Not sure whether your symptoms are gut-related? Take the free gut health quiz to find out, or explore the conditions Elena works with.
Serving Clients Across London and the UK
All consultations are conducted online, meaning Elena works with clients from every part of London — and across the UK. There is no need to travel to a clinic in Harley Street or Chelsea; specialist gut health support is available from wherever you are.
What London Clients Say
“After years of being told my IBS was 'just stress', Elena identified a SIBO infection and a significant microbiome imbalance. Within three months I was a different person.”
“I'd had two colonoscopies, multiple blood tests and a referral to a gastroenterologist — all normal. Elena's functional panel found nutrient deficiencies and inflammatory markers my NHS tests had never picked up.”
“The Microba test was eye-opening. I had no idea my gut microbiome was so depleted. Six months on, my bloating has gone, my energy is back and I finally feel like myself again.”
Frequently Asked Questions
Where does Elena practise in London?
Elena offers consultations online via video call, which means you can access specialist gut health support from anywhere in London — whether you are in Harley Street, Chelsea, Hackney, or Richmond. All functional tests are sent directly to your home, so there is no need to travel to a clinic.
How is this different from seeing an NHS gastroenterologist?
NHS gastroenterology is primarily designed to exclude serious structural disease — conditions like Crohn's, colitis, or colorectal cancer. If your investigations come back normal, you are often discharged with a diagnosis of IBS and limited ongoing support. Elena's approach begins where NHS investigation ends: using advanced functional testing to understand why your gut is not working, rather than simply confirming that it is not structurally diseased.
Do I need to have seen a GP first?
It is always advisable to have had a basic GP assessment to rule out serious pathology before pursuing functional medicine. However, you do not need a referral or GP approval to book with Elena. Many clients come having already completed NHS investigations with inconclusive results.
What does the Microba gut microbiome test involve?
Microba uses shotgun metagenomic sequencing — a more detailed method than standard 16S rRNA testing — to identify every organism in your gut at species level. The test kit is sent to your home, you collect a sample and return it by post. Results are typically available within 3–4 weeks and are reviewed with Elena in a dedicated consultation.
How quickly do clients typically see improvement?
Most clients report meaningful symptom improvement within 6–12 weeks of starting a personalised protocol. The timeline depends on how long symptoms have been present, the complexity of the underlying imbalances, and how consistently the protocol is followed. Elena reviews progress at regular intervals and adjusts the protocol based on how your body is responding.
Does Elena work with clients outside London?
Yes. All consultations are conducted online, and Elena works with clients across the UK and internationally. The functional tests can be arranged entirely by post, so location is never a barrier to accessing specialist gut health support.
What is the difference between a nutritional therapist and a functional medicine practitioner?
A nutritional therapist focuses on dietary and nutritional interventions to support health. A functional medicine practitioner takes a broader systems-biology approach, using advanced laboratory testing to identify root-cause imbalances across multiple body systems — gut, hormonal, immune, and metabolic. Elena is both: she holds BANT registration as a nutritional therapist and IFMCP certification as a functional medicine practitioner.
Is gut microbiome testing available in London?
Yes. Elena uses Microba gut microbiome testing, which is available to clients across London and the UK. The test kit is sent to your home, you collect a sample, and return it by post. There is no need to visit a laboratory or clinic. Results are reviewed with Elena in a dedicated consultation, with a personalised rebalancing plan based on your specific microbiome profile.
How much does a gut health consultation in London cost?
Elena's services range from £275 for a Gut Reset Programme to £695 for a comprehensive gut microbiome testing and rebalancing package or a full functional health assessment. A free 20-minute discovery call is available to discuss your situation before committing to any programme.
Have a question not covered here? Visit the full FAQ page or get in touch directly.
Book a Gut Health Consultation in London
Start with a free 20-minute discovery call. No obligation, no pressure — just a conversation about your symptoms and whether functional medicine is the right next step for you.
Elena works with clients across London and the UK. All consultations are online, with test kits sent directly to your home.