Gut Health

Your gut plays an important role in digestion, immune function and overall health. The gut microbiome (the community of microorganisms living in your digestive tract) is also an important area of ongoing research.

With so much information about gut health online, it can be difficult to know which sources to trust. We’ve brought together a carefully curated collection of gut health websites, books, films and personal stories to help you explore the subject from reliable and informative starting points.

Discover resources covering the gut microbiome, digestive health, nutrition, IBS, IBD, Crohn’s disease, ulcerative colitis, GERD, constipation and other gastrointestinal conditions. You’ll also find practical information about diet and lifestyle, alongside perspectives from doctors, researchers, nutritionists and people living with digestive conditions.

Whether you’re beginning to learn about gut health or looking for more detailed information about a specific digestive issue, these resources can help you find your way through the subject.

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Dr Josh Axe

Articles covering digestive disorders and gut health, including symptoms, causes, risk factors and different approaches to supporting digestive health.

Clever Guts

Resources on the gut microbiome and digestive health, including practical advice, information and recipes for supporting a healthy gut, from the late Dr Michael Mosley.

Doctor Yourself

A large collection of research-based articles and references covering nutrition, digestive health and a wide range of health topics.


The Doctor’s Kitchen

Dr Rupy Aujla smiling with his hands together

Dr Rupy Aujla explores the relationship between food, nutrition and health, including practical guidance and recipes for supporting digestive health.

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Everyday Health

A comprehensive health resource with information on gut health, digestive health, symptoms and common gastrointestinal conditions.

Gut health • Digestive health

Global Healthy Living Foundation

A patient education resource covering Crohn’s disease and ulcerative colitis, including symptoms, treatment, and the impact of IBD on daily life. It provides patient guides and educational articles to help people better understand their condition, navigate treatment, and take a more active role in their care.

Green Med Info

Large collection of articles, research abstracts and information covering digestive conditions including IBS, IBD, GERD and Crohn’s disease.


Gutbliss

Dr. Robynne Chutkan is an integrative gastroenterologist and microbiome expert, focused on improving digestive and gut health. She offers educational resources, books, podcasts, courses, guides, and medical care covering issues such as bloating, constipation, SIBO, and gut microbiome health.

Gut Health Doctor

Evidence-based resources on gut health and digestive nutrition from the team behind The Gut Health Clinic, covering nutrition, the gut microbiome and common digestive symptoms.


The Gut Stuff

The organisation behind Lisa and Alana Macfarlane (“the Mac Twins”). Their site describes itself as making gut health accessible, with expert-backed material covering the microbiome, fibre, diet, probiotics/prebiotics, gut–brain connections, symptoms and more.

Healthline

A wide-ranging health information resource with articles covering digestive health and conditions including IBS, IBD, Crohn’s disease and GERD. Use the search engine for specific conditions.

Gut HealthCrohn’s DiseaseIBD •  IBS

Healthwatch

Articles and videos exploring gut health, digestive health and related health topics.


Patrick Holford

Patrick Holford smiling in a field

Articles and resources exploring digestion, nutrition and the relationship between digestive health and overall well-being.

Dr Mark Hyman

Dr Mark Hyman smiling

Articles and podcasts covering topics including the gut microbiome, gut-brain connection, IBS, constipation, SIBO and other aspects of digestive health.

IFM

Focused on the relationship between the gut microbiome, digestion, immunity, and overall health. It explores how diet, lifestyle, and the balance of microorganisms in the gut may influence conditions such as digestive disorders and inflammation.


Inflammatory Bowel Disease

IBD in a speech bubble

Information and support for people affected by inflammatory bowel disease, including educational resources and opportunities to connect with patients, caregivers and healthcare professionals.

Irritable Bowel Syndrome

Resources for people living with IBS, including information about symptoms, diagnosis, management and living well.

ISAPP

Scientific organisation focused on the evidence behind probiotics, prebiotics, synbiotics, postbiotics, fermented foods and the gut microbiome. It provides expert-led, science-based resources that are accessible to both professionals and the public, making it a particularly strong resource for readers who want reliable information beyond general wellness advice. 


Just Thrive

Resources exploring the gut microbiome, digestive health, probiotics and the relationship between gut health and overall health.

Chris Kresser

Chris Kresser seated wearing a blue sweater

Resources exploring digestive health, the gut microbiome and the relationship between gut health, nutrition and wider health.

Heartburn and GERD

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Live Love Fruit

A collection of nutrition and lifestyle articles, including resources relating to plant-based eating, digestion and gut health.

Dr Emeran Meyer

Dr Mayer is a gastroenterologist, neuroscientist and leading researcher in the brain-gut microbiome system. His work explores how the gut, brain, diet and microbiome interact to influence digestion, mood, mental health and overall wellbeing.

Dr Frank Lipman

Resources from Dr Frank Lipman covering nutrition, lifestyle medicine, longevity and the role of digestive health in overall well-being.


NHS

Reliable information from the UK’s National Health Service covering constipation and a range of digestive conditions, including Crohn’s disease, diverticular disease, gastritis, heartburn and acid reflux, IBD, IBS, pancreatitis and ulcerative colitis.

Crohns DiseaseDiverticular DiseaseGastritisHeartburn and acid refluxIBDIBSPancreatitisUlcerative Colitis

NIDDK

Official website of the National Institute of Diabetes and Digestive and Kidney Diseases, part of the U.S. National Institutes of Health. Science-based health information and research resources on diabetes, digestive and liver diseases, kidney and urologic conditions, nutrition, obesity, and related disorders.


Nutrition Facts

Videos, podcasts, articles and answers exploring nutrition and health, with resources covering digestive health, IBS, IBD and GERD.

PCRM

Nutrition-focused resources including research-based articles, recipes, information about the gut microbiome and a free e-book. Practical ways to support a healthy gut.

Dr Megan Riehl

GI psychologist and Associate Professor of Medicine at the University of Michigan, specialising in IBS, IBD and other chronic digestive conditions. Her work focuses on evidence-based brain-gut behavioural therapies, translating research into practical guidance to help people better understand and manage digestive symptoms.

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The Skimm

From probiotics to gut-friendly foods, they break down what actually helps your digestion and what’s just hype, with expert-backed tips.

Very Well Health

A broad collection of medically reviewed health information covering digestive conditions including IBS, IBD, GERD, Crohn’s disease and other gastrointestinal issues.

Dr Weil

Articles and resources covering digestive health, gut-related symptoms, nutrition and different approaches to managing common digestive conditions.


WGO

Educational resources for healthcare professionals, including usable diagnostic checklists, clinical tools, and free courses on topics such as IBS, functional dyspepsia, probiotics, and gut microbiota.

Gut Health FAQs

What is gut health?

Gut health refers broadly to how well your gastrointestinal system functions, including digestion and bowel function. It also encompasses the complex community of microorganisms living in the digestive tract, known as the gut microbiome.

What is the gut microbiome?

The gut microbiome is the community of microorganisms—including bacteria, fungi and other microbes—that live in the gastrointestinal tract. Researchers are studying its relationship with digestion, metabolism, immune function and many other aspects of health.

How can I support my gut health?

A varied diet containing plenty of fibre-rich plant foods is an important foundation for digestive health. Regular physical activity, adequate sleep and a generally healthy lifestyle can also contribute to overall well-being. If you have persistent or concerning digestive symptoms, seek advice from an appropriately qualified healthcare professional.

What foods are good for gut health?

There isn’t one diet that is right for everyone. A varied diet containing vegetables, fruit, legumes, whole grains, nuts and seeds provides different types of fibre and other nutrients that support a diverse diet and healthy digestion.

What is the difference between IBS and IBD?

Irritable bowel syndrome (IBS) and inflammatory bowel disease (IBD) are different conditions. IBS is a disorder of gut-brain interaction, while IBD includes conditions such as Crohn’s disease and ulcerative colitis, which involve inflammation in the gastrointestinal tract.

What is GERD?

Gastroesophageal reflux disease (GERD) is a condition in which stomach contents repeatedly flow back into the oesophagus, causing symptoms such as heartburn and acid reflux.

When should I see a doctor about digestive symptoms?

Persistent, severe or unexplained digestive symptoms should be discussed with a qualified healthcare professional. Symptoms such as unexplained weight loss, blood in the stool, persistent vomiting, difficulty swallowing or significant changes in bowel habits warrant medical attention.