Evidence-based · No fluff

Better gut health, explained without the wellness fluff.

GutAdvice breaks down what the research actually says about IBS, reflux, bloating, SIBO, and the rest of the GI alphabet soup — so you can make informed decisions about your own body.

What you'll find here

Three things we do, that most gut-health content doesn't.

Sources you can verify

Every article cites the studies behind each claim — with links, not vague appeals to "research".

No miracle cures

We won't sell you a parasite cleanse or a $90 probiotic. If the evidence doesn't support it, we'll say so.

Written for patients, not peers

Plain English first, with the technical details available when you want to go deeper.

Topics we cover

A growing library of short, focused explainers.

IBS & FODMAPs
GERD & reflux
SIBO & IMO
Bloating & gas
Constipation
Diarrhea
Microbiome basics
Probiotics & prebiotics
Diet & elimination
Colon cancer screening
Celiac & gluten
When to see a GI doc

About the doctor

Written by a US board-certified gastroenterologist who wants patients to understand and have the greatest insights into evidence-based medicine and how their doctors make decisions.

Dr. Shadi Razmdjou, MD

US board-certified in Internal Medicine, Gastroenterology, and Hepatology. Focused on patient-facing GI and liver-disease education. Started GutAdvice because I believe in patient autonomy that is derived from education to be the cornerstone of health.

MD, ABIM Board-certified Gastroenterology & hepatology Member: AGA, ACG, ASGE
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The Sunday gut digest

One short, well-sourced email each Sunday. New explainers, research worth knowing about, and answers to reader questions.