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July 7, 2025 18 mins

Inulin is a common fiber, the fiber found in root vegetables like onions, garlic, shallots, asparagus, jicama and many other foods. Humans lack the digestive enzymes, however, for metabolizing inulin, but microbes living in your gastrointestinal track are able to metabolize it. When beneficial microbes metabolize inulin, they convert it to fatty acids with numerous beneficial effects on gastrointestinal, brain, and metabolic health. But, when undesirable microbes metabolize inulin, bad things can happen and cause you to experience symptoms such as excessive bloating, abdominal discomfort, diarrhea, mental effects such as anxiety, depression, suicidal thoughts, worsening joint pain or skin rashes. The difference is all about location of these microbes, where they are located in the 30-feet of your gastrointestinal tract. 

In this episode of the Defiant Health podcast, Let’s therefore discuss how to use the common fiber inulin to map where such microbes are living in your GI tract and, should you determine that undesirable species are living where they don’t belong, what you can do about it.


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YouTube channel: https://www.youtube.com/@WilliamDavisMD

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Books:

Super Gut: The 4-Week Plan to Reprogram Your Microbiome, Restore Health, and Lose Weight

Wheat Belly: Lose the Wheat, Lose the Weight and Find Your Path Back to Health; revised & expanded ed

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