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8/27/2025

Q&A: Highly Reactive to all FODMAP Foods but NO SIBO?

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Q&A Highlights:
  • Diet and Large Intestine Focus: The discussion opens with insights into how certain diets were originally designed with the large intestine in mind. The conversation touches on the historical context and the initial focus on the large intestine rather than small intestinal bacterial overgrowth (SIBO).
  • Bacterial Overgrowth and Carbohydrates: A significant portion of the Q&A is dedicated to explaining how an overgrowth of bacteria, particularly those that metabolize carbohydrates, can occur in the large intestine. This can lead to various digestive issues.
  • Enzyme Deficiency and Absorption Issues: Dr. Siebecker discuss scenarios where enzyme deficiencies or damage to the small intestine's absorptive surfaces can lead to poor digestion and absorption, resulting in undigested food reaching the large intestine.
  • Fermentation in the Large Intestine: The discussion explains how undigested food in the large intestine can lead to fermentation by bacteria, contributing to digestive discomfort.
  • Diagnosis and Testing for SIBO: The discussion concludes with practical advice on diagnosing SIBO, recommending breath tests as a method to determine its presence.
Key Takeaways:
  • Understanding the original intent behind certain diets can provide insight into their effects on different parts of the digestive system.
  • Bacterial overgrowth in the large intestine is often linked to diets high in carbohydrates.
  • Enzyme deficiencies and rapid transit through the small intestine can exacerbate digestive issues.
  • Proper diagnosis through breath tests can help identify SIBO and guide treatment strategies.

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8/27/2025

Q&A: How to diagnose SIFO (Small Intestine Fungal Overgrowth), Candida/Yeast Overgrowth?

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In this video, we delve into the complexities of diagnosing yeast overgrowth, particularly focusing on Small Intestinal Fungal Overgrowth (SIFO). We explore the challenges in diagnosis, the similarities in symptoms with other conditions, and the various testing methods available.
Key Discussions:
  1. Understanding SIFO:
    SIFO stands for Small Intestinal Fungal Overgrowth, a condition where yeast overgrows in the small intestine. It's a specific type of yeast overgrowth that can also occur in the large intestine or both.
  2. Diagnosis Challenges:
    Diagnosing yeast overgrowth is complex due to the similarity in symptoms with other conditions like Small Intestinal Bacterial Overgrowth (SIBO). Dr. Satish Rao's studies highlight these challenges, emphasizing the need for accurate differential diagnosis.
  3. Testing Methods:
    • Endoscopy and Culture: Considered a gold standard but impractical for most due to its invasive nature.
    • Stool and Organic Acids Urine Tests: These tests help identify yeast presence in the intestines but have limitations in distinguishing between small and large intestine overgrowth.
    • Blood Tests for Candida Antibodies: These tests can indicate if the immune system is reacting to yeast, either due to overgrowth or hypersensitivity.
  4. Yeast Hypersensitivity:
    The video also touches on yeast hypersensitivity, where the immune system reacts to normal yeast levels, complicating the diagnosis further.
Takeaways:
  • Accurate diagnosis of yeast overgrowth requires a combination of tests and careful interpretation of symptoms.
  • Understanding the nuances between SIFO and other similar conditions is crucial for effective treatment.
  • Despite available tests, there remains a need for more precise and practical diagnostic tools.
Conclusion:
This video sheds light on the intricate nature of diagnosing yeast overgrowth and the importance of comprehensive testing. Patients are encouraged to consult healthcare professionals for personalized advice and diagnosis.

Products mentioned:
– Stool and OAT tests :
(Rupa)

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8/26/2025

Q&A: Candibactin-AR & BR- To use or not to use?

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In this video, we delve into the world of herbal antibiotics, focusing on their application in treating Small Intestinal Bacterial Overgrowth (SIBO). 

Key Discussions:

1. Herbal Antibiotics Overview:
  • Candibactin AR and BR are highlighted as combination formulas used in treating SIBO.
  •  Dr. Jerry Mullen's study from John Hopkins and other institutions is discussed, showcasing the success of these herbal antibiotics in clinical settings. 
​2. Components and Effectiveness:
  • The formulas include berberine and aromatic oils like oregano and thyme, which are standard in treating hydrogen-related issues.
  • The episode discusses the varying effectiveness of these components, noting that higher doses may be necessary for challenging cases.
3. Clinical Experiences:
  • The hosts share their experiences with using these formulas, noting that while some studies show success, their practical application may vary.
  • They emphasize the importance of adjusting doses based on patient needs, particularly for those who do not respond to standard treatments. ​
4. Considerations for Use:
  • The discussion includes considerations for using these formulas in cases involving methane or hydrogen sulfide, noting the absence of specific components for methane in the discussed formulas. ​

Takeaways:
  • Herbal antibiotics like Candibactin AR and BR can be effective in treating SIBO, but their success may depend on the dosage and specific patient needs.
  • Practitioners should consider individual patient responses and adjust treatments accordingly.
  • Further research and clinical trials are essential to validate the effectiveness of these herbal treatments across different patient profiles.

Conclusion:
This video provides valuable insights into the use of herbal antibiotics for SIBO, highlighting both the potential and the challenges of these treatments. Patients are encouraged to consider these factors when exploring alternative treatments for SIBO.



Products Mentioned:
- Candibactin AR & BR and FC-Cidal & Dysbiocide:  (discounted at Fullscript)
- Herbal Antibiotic study

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8/6/2025

SIBO Pathophysiology

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Here are some of the things that can occur within the body from SIBO:
  • ​The overgrown bacteria interfere with the normal digestion and absorption of food, and damage the lining of the small intestine (the brush border)
  • The bacteria consume some of the food the host eats, causing malabsorption, which over time, can lead to deficiencies in nutrients such as iron and B12, which can cause anemia or chronic low ferritin.[1] [2]
  • Food unable to be absorbed due to brush border damage is consumed by the bacteria, allowing them to proliferate (overgrow) causing a vicious cycle.[1]
  • After eating, they produce gas (via fermentation) within the small (or large) intestine, which causes many symptoms, especially abdominal bloating, abdominal pain, constipation, diarrhea or both (the symptoms of IBS).[1]
  • They can also decrease proper fat absorption (more malabsorption) by deconjugating bile, which can lead to fatty stools (steatorrhea) and deficiencies of fat soluble vitamins A, D and K.[1] [2]
  • The increased number of bacteria, causes increased endotoxin in the small intestine (bacterial cell wall/LPS) which the immune system can react to, causing: fatigue, body pain, anxiety, depression, and can burden the liver.[3]
  • The damage to the brush border can create Leaky Gut Syndrome, allowing larger food particles to enter into the body, which the immune system can react to.[1] This can cause food allergies/sensitivities with non-digestive symptoms: headache, nasal mucus, skin rashes, joint pain, etc...
  • Finally, the bacteria excrete acids which may, in high amounts, lead to neurological and cognitive symptoms, such as brain fog.[4] [5]

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This website is not intended to provide diagnosis, treatment or medical advice. Content is for informational purposes only. Always consult with a licensed healthcare professional regarding any medical or health related diagnosis or treatment options. Information on this website should not be considered as a substitute for advice from a licensed healthcare professional that knows your individual information. References to and statements made about specific products on this we website have not been evaluated by the U.S. Food and Drug Administration (FDA) and are not intended to diagnose, treat, cure or prevent any disease.
  • HOME
    • HOME
  • About SIBO
    • WHAT IS SIBO?
    • SIBO Symptoms
    • Associated Diseases
    • What Causes SIBO?
    • SIBO & IBS
  • SIBO TESTS
    • SIBO Tests
  • TREATMENT
    • How To Treat SIBO
    • Symptom Relief
    • What to Avoid
    • Antibiotics
    • Herbal Antibiotics
    • Elemental Diet
    • SIBO Diet
    • Prevention of Relapse
    • Probiotics
  • SIBO COURSES
    • SIBO Courses
  • SIBO SUPPORT
    • SIBO Support
  • RESOURCES
    • Discounts
    • BLOG
    • SIBO Podcasts
    • SIBO Studies >
      • SIBO Studies: 2025
      • SIBO Studies: 2024
      • SIBO Studies: 2023
      • SIBO Studies: 2022
      • SIBO Studies: 2021
      • SIBO Studies: 2020
      • SIBO Studies: 2019
      • SIBO Studies: 2018
      • SIBO Studies: 2017
      • SIBO Studies: 2016
      • SIBO Studies: 2015
      • SIBO Studies: 2014
      • SIBO Studies: 2013
      • SIBO Studies: 2012
      • SIBO Studies: 2011
      • SIBO Studies: 2009
      • SIBO Studies: 1990's
      • SIBO Studies: 1980's
    • SIBO Books
    • SIBO Recipes & Cookbooks
    • MMC Videos
    • Test Directory
    • Finding a SIBO Doctor
  • CONTACT
    • Contact
    • About Dr. Siebecker
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