I’m Dr. Robynne Chutkan and welcome to my Gutbliss Guide to SIBO virtual course! This comprehensive guide is designed for both patients and health care practitioners and includes:

  • Over 100 pages of essential clinical information
  • 3 real-life case studies
  • 3 in-depth webinar recordings
  • An extensive Food As Medicine guide that includes detailed dietary guidelines to promote a balanced microbiome
  • 10-day meal plan
  • Microbiome-boosting recipes
  • Research summary of scientific resources
From how and why we get SIBO, to testing and diagnosis, to recovery, this is your complete guide to diagnosing and treating SIBO. For additional in-depth information on how to promote a healthy microbiome, check out my book The Microbiome Solution.


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Part 1: How & Why We Get SIBO e-Book

“Dysbiosis refers to an imbalance in the microbiome – the trillions of bacteria that live in and on our bodies. SIBO is one of the commonest forms of dysbiosis. Our ancestors had a symbiotic relationship with their microbes that evolved over millions of years. They were hosts to a dense jungle of microscopic creatures, including worms and other parasites that actually contributed to their health. Large predators and the absence of food were their main threats, not the hundreds of diseases that afflict us today. The irony is that as we’ve “unwilded” our bodies and our environment in an effort to become healthier, we’ve actually become a lot sicker in some important ways…”

Part 1: Webinar

This webinar dives deep into the small intestinal bacterial overgrowth root causes – including environmental, dietary, and medicinal – as well as SIBO-associated conditions. For a printable copy of the powerpoint used during this webinar, please click here. A downloadable version of the webinar video can be found here.

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Part 1: Case Study

Sarah: “At the end of October 2018 I developed a severe cough and was treated with a Zpack. When that didn’t clear the symptoms, my doctor prescribed Levoquin…”


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Part 2: Symptoms, Testing, & Diagnosis e-Book

“Just as there are many causes of SIBO there are also many manifestations. Symptoms can vary tremendously from person to person, and even within the same person, symptoms may change over time. Typical SIBO symptoms include: abdominal pain/cramping, bloating, Candida overgrowth or chronic yeast problems, constipation, diarrhea, gas, headaches, reflux-like symptoms.

Additional non-GI symptoms like fatigue and brain fog are common with SIBO but non-specific, so we can’t make a diagnosis purely on the presence of any of these symptoms, or guarantee that they’ll get better as the SIBO resolves. Nutritional deficiencies like iron deficiency anemia and low B12 can occur even in the presence of a healthy diet because excessive levels of gut bacteria can consume nutrients…” 

Part 2: Webinar

In this webinar, you’ll get an in-depth look at the clinical diagnosis of SIBO, including the importance of a close evaluation of lifestyle and medical history and how best to interpret the often cloudy results of a breath test. For a printable copy of the powerpoint used during this webinar, please click here. A downloadable version of the webinar video can be found here.

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Part 2: Case Study

Susan: “In mid-2008, I had a severe food poisoning incident with lots of diarrhea and vomiting. Later that year, I broke a toe and took Advil every day for a month. 
In October 2009, I started having problems being regular with my digestion. I saw a physician who ran some tests and told me I had H. Pylori. I took a course of antibiotics and proton pump inhibitors (PPIs), but still experienced abdominal pain and bloating…”


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Part 3: Recovery e-Book

“An oral antibiotic called Rifaximin (also known as Xifaxan) is one of the commonest prescribed therapies for SIBO, although it’s important to note that Rifaximin is not FDA approved for the treatment of SIBO. The theory is that because it has activity against a broad spectrum of bacteria, using it to reduce the population of bacteria in the small intestine should lead to an improvement in symptoms. And it frequently does. Unfortunately, Rifaximin, like all antibiotics, also has activity against essential bacteria and diminishes that population, too. The result is usually initial improvement followed by relapse a few months later….”

Part 3: Webinar

As you’ve just read in part 3 of the Guide to SIBO, there is no quick fix for SIBO. In this webinar, you’ll get a detailed look at what SIBO recovery looks like and how best to avoid common mistakes and focus on a meaningful and lasting recovery. For a printable copy of the powerpoint used during this webinar, please click here. A downloadable version of the webinar video can be found here.

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Part 3: Case Study

Colin: “I was born vaginally and breastfed my first 2 months and then transitioned to infant soy formula. Started on rice cereal at 3 months and then table food at about 8 months. I was a colicky and gassy baby but no one could give my parents a clear explanation why. Starting at about age two I would get an ear infection every month. My mother says I received a course of antibiotics almost every month from age two to three. I had normal development for height and weight but was evaluated by a pediatric gastroenterologist at age six for chronic stomach pain. The diagnosis was “stress”…”


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Part 4: Food As Medicine e-Book

“If I had a pill that magically cured SIBO, I would definitely be sharing it with you! While probiotics and other supplements can be helpful, it’s ultimately what you eat that determines the composition of your gut flora, so diet is by far the most effective tool you have against SIBO. 

Studies show that consuming large amounts of indigestible plant fiber encourages the growth of health-promoting bacteria; species like Faecalibacterium prausnitzii that are associated with reduced risk for cardiovascular disease, colon cancer, diabetes and obesity. These “good” bacteria ferment dietary fiber to produce short chain fatty acids (SCFAs) that have potent anti-inflammatory and anti-carcinogenic properties and are a marker of a healthy digestive system. Crowd out pathogens but also pump out substances that protect against disease…”


Part 5: Scientific Resources

In this document you’ll find the most meaningful and ground-breaking peer-reviewed scientific studies on small intestinal bacterial overgrowth in the areas of SIBO diagnosis, testing, and treatment. Stay abreast on the latest gastrointestinal and microbiome scientific research by signing up below for the Gutbliss Rx, our bi-monthly newsletter. Click here to access resources