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About me

I'm Alice Twomey, a specialist gastroenterology dietitian at The Gut Health Clinic, supporting adults with digestive conditions and gut-related health concerns. I bring over eight years of clinical experience across the NHS, including specialist roles within a large London teaching hospital, where I developed expertise in managing gastrointestinal diseases and disorders.

I support people dealing with ongoing digestive symptoms, bowel diseases and disorders, including those that haven't improved with standard or overly restrictive advice.
My areas of expertise can be seen under 'areas of interest'.

I take a holistic, evidence-based approach, recognising that digestive symptoms are often influenced by a combination of physiological, dietary and lifestyle factors.
Rather than applying one-size-fits-all or overly restrictive approaches, I focus on understanding your symptoms in the context of your medical history, lifestyle and relationship with food. From there, we build a structured, personalised plan that supports symptom relief while improving long-term gut health.
A key part of my work is helping you improve your relationship with food and feel more confident managing your symptoms day to day.

I have spent the majority of my clinical career working within a large London teaching hospital, across both acute and outpatient gastroenterology services. This includes supporting patients with conditions such as IBD, IBS, coeliac disease, pelvic floor dysfunction and orofacial granulomatosis.
More recently, I have worked as a Specialist Bariatric Dietitian within the NHS, supporting individuals pre and post surgery, alongside my current role as System Wide Dietetic Lead for Prescribing.

I am FODMAP trained through King's College London and have worked within a research-focused team, contributing to evidence-based clinical practice.

I work at The Gut Health Clinic, a specialist service led by gut health scientist Dr Megan Rossi (@theguthealthdoctor). The clinic brings together a team of expert gastro dietitians with 80 years of combined clinical experience and has supported more than 5,000 clients since 2018.
We work closely with GPs, gastroenterologists and other healthcare professionals to ensure your care is fully integrated and aligned with your wider medical needs.

Your first appointment is a structured consultation where we take the time to understand your symptoms, medical history, lifestyle and goals in detail.
Following this, you'll receive a personalised plan with clear, practical steps to move forward. I'll also guide you on how many sessions are likely to be needed so you have clarity from the outset.
If you have private health insurance (including Aviva, Bupa, Cigna, Healix, Vitality or WPA), your appointments may be covered. Get in touch and we can guide you through this.

Client feedback
�Very happy with my appointment� Alice was very thorough in understanding my symptoms and I'm really happy with the advice I received.�
Doctify verified 5-star review, July 2025
�I felt genuinely listened to and supported during our session� Alice was easy to talk to and really understanding, which made such a difference.�
Doctify verified 5-star review, August 2025
�Alice helped me understand my long-standing digestive issues and gave me clear guidance on how to start tackling them.�
Doctify verified 5-star review, August 2025

Areas of interest

Bile acid malabsorption (BAM); Bloating; Cardiovascular health (e.g. hypertension, hypercholesterolemia); Coeliac disease; Constipation; Diverticular disease/diverticulitis; Dysbiosis; Endometriosis; Food relationship / mindful eating / behaviour change strategies;
Heartburn/reflux (GERD/GORD); IBD - Crohn's Disease; IBD - Ulcerative Colitis; Irritable bowel syndrome (IBS); Menopause; Orofacial Granulomatosis; Osteoporosis
Pancreatic exocrine insufficiency/pancreatitis; Pelvic floor disorders / pelvic floor health / prolapse; Small intestinal bacterial overgrowth (SIBO); Type 2 diabetes; Vegetarian/vegan/nutritional deficiencies; Weight management (loss/gain)

Medical secretaries

• Catherine McKinnon
• The Gut Health Clinic 7 Bell Yard London WC2A 2JR
• bookings@theguthealthclinic.com