IBS Uncovered: Diagnosing the Undiagnosable with Dr. Jill Carnahan
Description
In this episode of the FMP Essentials Podcast, Dr. Yousef Elyaman sits down with world-renowned functional medicine expert Dr. Jill Carnahan to go deep into one of the most misunderstood diagnoses in medicine: Irritable Bowel Syndrome (IBS).
They explore the real root causes behind IBS symptoms, including SIBO, SIFO, IMO, dysbiosis, immune dysfunction, mold toxicity, food intolerances, and mast cell activation. Dr. Carnahan also shares her personal journey—from breast cancer and Crohn’s disease to full remission—and how it shaped the way she practices and teaches medicine.
Whether you're a clinician, health coach, or functional medicine advocate, this episode offers insight you can immediately apply in practice.
What You’ll Learn
- Why IBS is often a misdiagnosis and how to uncover the real cause
- How to use stool testing, organic acid tests, and breath tests for clarity
- The difference between IBS, IBD, dysbiosis, and gut immune dysfunction
- How to identify and treat SIBO, SIFO, and intestinal methanogen overgrowth
- Practical testing and treatment strategies for chronic GI symptoms
- Why storytelling, mentorship, and film can drive the next wave of medical change
- How practitioners can give back, mentor, and create a lasting impact
Resources & Mentions
- Book: Unexpected: Finding Resilience Through Functional Medicine, Science, and Faith
Available at: www.readunexpected.com - Documentary: Doctor | Patient
Learn more: www.doctorpatientmovie.com - Testing Tools Covered:
- Stool analysis (PCR and culture)
- Organic acids testing
- SIBO breath testing (including hydrogen, methane, hydrogen sulfide)
- Calprotectin, SIgA, lactoferrin, eosinophilic protein X
- Celiac and IBD panels
- Mast cell markers (tryptase, histamine, DAO)
- Organizations to Support
- ISEAI – iseai.org
- IRIS Global Health Film Festival – irishealthfilm.org
- Environmental Working Group – ewg.org
- Institute for Functional Medicine – ifm.org
Connect with Dr. Jill Carnahan
Website: www.jillcarnahan.com
Instagram: @drjillcarnahan
Book: www.readunexpected.com
Film: www.doctorpatientmovie.com
Connect with FMP Essentials & Dr. Elyaman
Website: www.fmpessentials.com
Instagram (Podcast): @fmpessentialshq
Instagram (Host): @drelyaman
Sponsored by FMP Essentials
FMP Essentials is the go-to clinical resource hub for functional and root-cause medicine practitioners.
Explore protocols, case tools, and practitioner education at:
www.fmpessentials.com
Music Credit
Theme music: “Heroes Approaching – Extended” by tunes2go
Licensed for podcast and media use.
Disclaimer
This podcast is for educational purposes only and does not constitute medical advice. No doctor-patient relationship is established by listening. Always consult a qualified healthcare professional before making medical decisions or treatment changes.
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