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July 23, 2025 64 mins

Today’s guest is Dr. Allison Siebecker, the renowned 'Queen of SIBO'. She is a naturopathic physician, award-winning author, clinician and educator, and this week she joins me to unpack one of the most important (but often overlooked) pieces of the gut health puzzle: motility. We explore the migrating motor complex (MMC), why it matters, and how poor motility can contribute to chronic conditions like SIBO. Dr. Siebecker shares her personal journey to working in the SIBO space, explains how to spot motility issues, and so much more. If you're struggling with gut symptoms, this episode is a must-listen for expert insight into how your gut motility might just be the missing piece.

In this episode, we chat about:

  • Dr. Siebecker’s own journey with gut health
  • What motility is and how it’s linked to small intestinal bacterial overgrowth
  • How the migrating motor complex works
  • Red flag symptoms that may indicate a motility issue
  • Risk factors for developing issues with MMC 
  • Testing the MMC function
  • Using prokinetics to treat MMC dysfunction
  • The difference between a laxative and prokinetics
  • How fasting can be used for MMC support
  • Healing nerve regeneration 
  • Dr. Siebecker’s advice if you think you have a gut motility issue


Rachel’s (she/her) details: Ready To Take Your Next Step To Support Your Gut?

Follow Rachel on Instagram HERE

Watch the FREE Masterclass 'How to enjoy food without IBS or bloating holding you back' HERE 

Check out the range of FREE gut health resources HERE 

Work with Rachel HERE 


Connect With Dr Siebecker (she/her)

Check out Dr Siebecker’s SIBO Recovery Roadmap Course

Visit Dr. Siebecker's website

Connect with Dr. Siebecker on YouTube

Disclaimer: The information provided on Gutsy Talks is for education and informational purposes only. It is not provided nor intended to substitute for professional advice or care. Please seek the advice of a qualified health care professional in the event you have questions or concerns about your health.

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