Introduction
Small intestinal bacterial overgrowth (SIBO) is an increasingly common condition in which bacteria from the large intestine enters and grows in the small intestine. It is associated with abdominal pain, bloating, gas, diarrhea, constipation, and malnutrition. While conventional treatments for SIBO include antibiotics and probiotics, many people are turning to a SIBO diet as an additional therapy.
Explaining the Basics of a SIBO Diet
A SIBO diet is a tailored eating plan that is designed to reduce the symptoms of SIBO. The goal of the diet is to reduce the amount of fermentable carbohydrates that can be utilized by the bacterial overgrowth in the small intestine.
What is a SIBO Diet?
The SIBO diet is based on the concept of reducing or eliminating the intake of fermentable carbohydrates, known as FODMAPs. FODMAPs are short-chain carbohydrates found in many common foods that are difficult for many people to break down and absorb, leading to digestive symptoms. A SIBO diet focuses on avoiding high-FODMAP foods, such as wheat, onions, garlic, apples, and dairy products, while emphasizing low-FODMAP foods, such as lean proteins, non-starchy vegetables, and certain fruits.
Benefits of a SIBO Diet
A SIBO diet may provide some relief from symptoms associated with SIBO. Studies have found that following a low-FODMAP diet can significantly improve symptoms in people with SIBO. In one study, published in the American Journal of Gastroenterology, researchers found that a low-FODMAP diet reduced SIBO-related symptoms in up to 76% of participants.

Investigating How to Follow a SIBO Diet
If you are considering trying a SIBO diet, it is important to understand the basics of how to follow the diet properly.
Steps to Following a SIBO Diet
The first step in following a SIBO diet is to identify and eliminate high-FODMAP foods from your diet. This includes foods such as wheat, onions, garlic, apples, and dairy products. It is important to talk to your doctor or dietitian about what foods to eliminate from your diet.
Once you have identified the high-FODMAP foods to avoid, the next step is to focus on eating low-FODMAP foods, such as lean proteins, non-starchy vegetables, and certain fruits. It is also important to stay hydrated and get plenty of fiber. Additionally, there are certain supplements that may be beneficial, such as probiotics, digestive enzymes, and herbal medicines.
Recommended Foods and Supplements
Some recommended foods and supplements to consider when following a SIBO diet include:
- Lean proteins, such as fish, chicken, and eggs
- Non-starchy vegetables, such as kale, spinach, and zucchini
- Certain fruits, such as bananas, oranges, and strawberries
- Probiotics
- Digestive enzymes
- Herbal medicines, such as peppermint oil

Highlighting Foods to Eat and Avoid on a SIBO Diet
When following a SIBO diet, it is important to understand which foods to eat and which to avoid.
Foods to Eat on a SIBO Diet
The following are some examples of foods to eat on a SIBO diet:
- Lean proteins, such as fish, chicken, and eggs
- Non-starchy vegetables, such as kale, spinach, and zucchini
- Certain fruits, such as bananas, oranges, and strawberries
- Whole grains, such as quinoa, oats, and brown rice
- Legumes, such as lentils and chickpeas
- Healthy fats, such as olive oil and avocado
Foods to Avoid on a SIBO Diet
The following are some examples of foods to avoid on a SIBO diet:
- High-FODMAP foods, such as wheat, onions, garlic, apples, and dairy products
- Processed foods, such as chips and sweets
- Refined sugars, such as white sugar and corn syrup
- Alcohol and caffeine
- Artificial sweeteners, such as aspartame and sucralose
Outlining the Potential Risks of a SIBO Diet
It is important to understand the potential risks of following a SIBO diet.
Potential Side Effects of a SIBO Diet
A SIBO diet can cause some side effects, such as headache, fatigue, and constipation. It is important to talk to your doctor or dietitian if you experience any of these side effects.
Interactions with Medications
It is important to be aware that some medications may interact with a SIBO diet. For example, antacids and proton pump inhibitors can interfere with the absorption of nutrients. It is important to talk to your doctor about any medications you are taking before starting a SIBO diet.

Comparing a SIBO Diet to Other Diets
It is helpful to compare a SIBO diet to other diets to understand how it differs.
Similarities Between a SIBO Diet and Other Diets
A SIBO diet shares some similarities with other diets, such as the Paleo diet and the ketogenic diet. All of these diets emphasize eating whole, unprocessed foods, such as lean proteins, non-starchy vegetables, and healthy fats. Additionally, all of these diets discourage the consumption of processed foods, refined sugars, and artificial sweeteners.
Differences Between a SIBO Diet and Other Diets
One of the main differences between a SIBO diet and other diets is the emphasis on avoiding FODMAPs. Unlike other diets, the SIBO diet focuses on avoiding high-FODMAP foods, such as wheat, onions, garlic, apples, and dairy products. Additionally, the SIBO diet focuses on eating low-FODMAP foods, such as lean proteins, non-starchy vegetables, and certain fruits.
Conclusion
In conclusion, a SIBO diet is a tailored eating plan that is designed to reduce the symptoms of SIBO. The diet focuses on avoiding high-FODMAP foods and emphasizing low-FODMAP foods, such as lean proteins, non-starchy vegetables, and certain fruits. Studies have found that following a low-FODMAP diet can significantly improve symptoms in people with SIBO. However, it is important to understand the potential risks of following a SIBO diet, such as interactions with medications and side effects. Finally, a SIBO diet shares some similarities with other diets, such as the Paleo diet and the ketogenic diet, but it differs in its emphasis on avoiding FODMAPs.
If you are considering trying a SIBO diet, it is important to talk to your doctor or dietitian first. They can help you determine the best approach for your individual needs and provide guidance on how to follow the diet properly.
Summary of Key Points
A SIBO diet is a tailored eating plan that is designed to reduce the symptoms of small intestinal bacterial overgrowth (SIBO). The diet focuses on avoiding high-FODMAP foods, such as wheat, onions, garlic, apples, and dairy products, while emphasizing low-FODMAP foods, such as lean proteins, non-starchy vegetables, and certain fruits. Studies have found that following a low-FODMAP diet can significantly improve symptoms in people with SIBO. However, it is important to understand the potential risks of following a SIBO diet, such as interactions with medications and side effects.

Resources for Further Information
If you are interested in learning more about SIBO and the SIBO diet, the following resources may be helpful:
- Small Intestinal Bacterial Overgrowth: A Comprehensive Review
- Low FODMAP Diet for Treatment of Irritable Bowel Syndrome
- Small Intestinal Bacterial Overgrowth: Diagnosis and Treatment
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