Photo of Dr Megan Rossi, founder of The Gut Health Doctor, seated at a desk looking professional and smiling at the camera

Where science meets gut health

The trillions of microbes in your gut impact your health and happiness.

Whether tackling a gut issue, bloating, immunity, energy, mood, skin, hormones, a chronic condition or reaching a happy weight, the latest science shows the answer could lie in your gut.

Start your journey

Photo of Dr Megan Rossi, founder of The Gut Health Doctor, sitting in a lab looking and using a test tube

The go-to gut health scientist and nutrition expert

Megan Rossi (PhD, RD), an award-winning gut health scientist and registered dietitian and nutritionist, founded The Gut Health Doctor® to empower everyone to take control of their own health.

Megan translates the latest research from her lab and beyond into practical tools that genuinely make a difference. Through her evidence-backed books, gut-friendly recipes, masterclasses, workplace wellbeing initiatives and gut specialist dietitian support via The Gut Health Clinic, she has helped hundreds of thousands of people put the science into practice.

To make gut health even more accessible – and to bridge the gap between groundbreaking science and everyday living – Megan created Bio&Me, the award-winning food brand designed to make it easy (and delicious) to nourish your gut microbes every day. More recently, stemming from her PhD in probiotics, she formulated SMART STRAINS, a range of targeted live bacteria supplements backed by clinical trials and endorsed by global health bodies.

Whether it’s mastering burdensome bloating with her specialist Bloating Masterclass, or finding personalised nutrition strategies to support your gut health, Megan provides the tools, knowledge and guidance – honed in the lab and dietetic clinic – to help you prioritise your gut health.

About Megan Rossi

THE GUT HEALTH DOCTOR®

AS SEEN ON

Start your journey

Icon for The Gut Health Doctor free gut health quiz

Is my gut healthy?

I’m struggling with bloating

I want to learn more about gut health

I need personalised support from a dietitian

MONTHLY FOCUS FEATURE

Food additives and your gut: what the science really says

You’re trying to do everything “right” for your gut. You’ve added more fibre. You’re eating more plants. Maybe you’ve introduced kefir or a targeted probiotic. You’re reading labels more carefully. And then suddenly, additives are the new enemy. Scroll social media, and it sounds simple: “chemicals” are damaging your microbiome. Headlines warn of hidden emulsifiers. Packaging shouts “no nasties” as if that alone makes a biscuit gut-friendly. It leaves you wondering whether, despite your best efforts, you’ve been getting it wrong all along.

Food additives, commonly referred to as E-numbers, have become a major flashpoint in the gut health conversation. Some research suggests certain additives may affect the gut barrier or microbiome. At the same time, the evidence is far more nuanced than many headlines imply, and context matters, especially for people living with conditions such as Crohn’s disease.

So what’s hype, what’s supported by evidence, and what actually matters for your gut? Let’s unpack it.

The latest science made digestible

View all recipes View all articles

Noa's transformation story

For years, I struggled with IBS, managing symptoms through a cautious approach to FODMAPs, but still often feeling bloated and uncomfortable… Reading Dr Megan’s books taught me how to adopt a “FODMAP-lite” approach to my meals, which turned out to be the most suitable way for me to manage my symptoms… The results have been life-changing.

Noa - Augsburg, Germany

View all stories

Are you burdened by bloating?

Now available on-demand, fuelled by the latest science and her clinical practice as a registered dietitian, Megan Rossi’s (PhD, RD) Bloating Masterclass will guide you on a journey to better master your bloating. Through 18 digestible lessons ranging from 5 to 20 minutes, you can access the guidance, tools and expert resources you need to feel more confident, comfortable and in control of your bloating.

For all enquiries, please email [email protected].

Discover more Enrol now