Following our IBS – Optimising Outcomes webinar, we’ve compiled the key resources and references highlighted during the session. If you weren’t able to attend live, you can still register to watch the recording.
Key Guidelines
National Institute for Health and Care Excellence (NICE). Irritable bowel syndrome in adults: diagnosis and management [CG61][Internet]. London: NICE; 2008 [updated Feb 23 2017; cited 2023 April 20]. Available from: https://www.nice.org.uk/guidance/cg61
National Institute for Health and Care Excellence (NICE). Quantitative faecal immunochemical tests to guide referral for colorectal cancer in primary care [DG30][Internet]. London: NICE; 2017 [cited 2023 April 20]. Available from: https://www.nice.org.uk/guidance/dg30/chapter/2-Clinical-need-and-practice
National Institute for Health and Care Excellence (NICE). Thyroid disease: assessment and management [NG145]. London: NICE; 2019 [cited 2023 April 20]. Available from: https://www.nice.org.uk/guidance/ng145/chapter/Recommendations
National Institute for Health and Care Excellence (NICE). Coeliac disease: recognition, assessment and management [NG20]. London: NICE; 2015 [cited 2023 Apr 20]. Available from: https://www.nice.org.uk/guidance/ng20
National Institute for Health and Care Excellence (NICE). Faecal calprotectin diagnostic tests for inflammatory diseases of the bowel [DG11]. London: NICE; 2013 [cited 2023 Apr 20]. Available from: https://www.nice.org.uk/guidance/dg11
Key Resources
Why We Sleep (2018) By Mathew Walker
Take Control of Your IBS (2024) – The Step by Step Guide that actually works – by Kirsten Jackson
FODMAP Every day (for trusted low FODMAP recipes)
Key Studies
Oka P, Parr H, Barberio B, Black CJ, Savarino EV, Ford AC. Global prevalence of irritable bowel syndrome according to rome III or IV criteria: A systematic review and meta-analysis. The Lancet Gastroenterology & Hepatology. 2020;5(10):908–17.
Rome Foundation. Rome IV criteria [Internet]. 2023 [cited 2023 Apr 20]. Available from: https://theromefoundation.org/rome-iv/rome-iv-criteria/
Ljótsson, B. et al. (2020) ‘Discriminant and convergent validity of the GSRS‐IBS Symptom Severity Measure for irritable bowel syndrome: A population study’, United European Gastroenterology Journal, 8(3), pp. 284–292. doi:10.1177/2050640619900577.
World Health Organization. Endometriosis [Internet]. World Health Organization; 2023 [cited 2023 Apr 20]. Available from: https://www.who.int/news-room/fact-sheets/detail/endometriosis
Slattery SA, Niaz O, Aziz Q, Ford AC, Farmer AD. Systematic review with meta-analysis: The prevalence of bile acid malabsorption in the irritable bowel syndrome with diarrhoea. Alimentary Pharmacology and Therapeutics. 2015;42(1):3–11.
Stotzer P-O, Abrahamsson H, Bajor A, Kilander A, Sadik R, Sjövall H, et al. Are the definitions for chronic diarrhoea adequate? evaluation of two different definitions in patients with chronic diarrhoea. United European Gastroenterology Journal. 2015;3(4):381–6.
Santonicola A, Gagliardi M, Guarino MP, Siniscalchi M, Ciacci C, Iovino P. Eating disorders and gastrointestinal diseases. Nutrients. 2019;11(12):3038.
Kashyap, P. et al. (2024) ‘Critical appraisal of the SIBO hypothesis and Breath Testing: A Clinical Practice Update endorsed by the European Society of neurogastroenterology and motility (ESNM) and the American neurogastroenterology and Motility Society (ANMS)’, Neurogastroenterology & Motility, 36(6). doi:10.1111/nmo.14817.
Fass R, Fullerton S, Tung S, Mayer EA. Sleep disturbances in clinic patients with functional bowel disorders. American Journal of Gastroenterology. 2000;95(5):1195–200.
Smith RP, Easson C, Lyle SM, Kapoor R, Donnelly CP, Davidson EJ, et al. Gut microbiome diversity is associated with sleep physiology in humans. PLOS ONE. 2019;14(10).
Van Lanen A-S, de Bree A, Greyling A. Efficacy of a low-FODMAP diet in adult irritable bowel syndrome: A systematic review and meta-analysis. European Journal of Nutrition. 2021; 60(6):3505–3522.
Staudacher HM, Lomer MCE, Farquharson FM, Louis P, Fava F, Franciosi E, et al. A diet low in FODMAPS reduces symptoms in patients with irritable bowel syndrome and a probiotic restores bifidobacterium species: A randomized controlled trial. Gastroenterology. 2017;153(4):936–47.
Staudacher HM, Lomer MCE, Anderson JL, Barrett JS, Muir JG, Irving PM, et al. Fermentable carbohydrate restriction reduces luminal bifidobacteria and gastrointestinal symptoms in patients with irritable bowel syndrome. The Journal of Nutrition. 2012;142(8):1510–8.
Staudacher H, Ross FS, Briscoe ZM, Irving PM, Whelan K, Lomer MC. Advice from a dietitian regarding the low Fodmap diet broadly maintains nutrient intake and does not alter fibre intake. Gut. 2015;64(Suppl 1).
Huberty J, Green J, Glissmann C, Larkey L, Puzia M, Lee C. Efficacy of the mindfulness meditation mobile app “calm” to reduce stress among college students: Randomized Controlled Trial. JMIR mHealth and uHealth. 2019;7(6).
Webinar Chair
Dr Holly Neill
Assistant Science Manager at Yakult UK and Ireland
Dr Holly Neill is the Assistant Science Manager at Yakult UK and Ireland where she communicates the latest research on the gut microbiota, probiotics, and health. Holly holds a PhD in nutrition and has experience managing and conducting human trials across a range of topics including vitamin D, polyphenols, B-vitamins and cardiovascular health in both healthy populations and ileostomy patients. Before transitioning to industry, she worked as a postdoctoral researcher and has presented her published research internationally.
Webinar Speaker
Kirsten Jackson
Consultant Dietitian
Kirsten Jackson is a Consultant IBS dietitian and published author with over 13 years of experience. Kirsten started her career in the NHS working in gastroenterology and mental health environments before opening The IBS Dietitian. She is a specialist board member for The IBS Network and Forbes Health, and trains other dietitians through her BDA and USA accredited programme: The Dietitian’s IBS Course.
Yakult Science for Health
Yakult’s Scientific and Educational Site
Gut-Brain Axis HCP Resource – this resource explains the relationship between the gut microbiota and brain, the pathways of communication and how to support the gut-brain axis, with a particular focus on dietary approaches. The PDF version is free to download here. If hardcopies are required, please email science@yakult.co.uk
Guide your Gut – a patient handbook to a happy gut through simple diet and lifestyle changes. The PDF version is free to download here. If hardcopies are required, please email science@yakult.co.uk
Gut Health Habit Tracker – a visual way for patients to track gut health habits. PDF version is free to download here. Also available as a tear-off pad- please email science@yakult.co.uk for more information
Yakult Science Study Day 12th November 2025 – 1-day CPD endorsed gut microbiome event for HCPs and researchers
BDA GASTROENTEROLOGY SPECIALIST GROUP
@bda_gastroFibre Factsheet (2021) – currently under review
Probiotics and Gut Health Factsheet (2022)
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