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Stool-derived Postbiotics with Dr. Andrea McBeth: Rational Wellness Podcast 425

Rational Wellness Podcast

Release Date: 08/26/2025

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View the Show Notes For This Episode

Dr. Andrea McBeth discusses how Stool-derived Postbiotics can restore gut health with Dr. Ben Weitz.

[If you enjoy this podcast, please give us a rating and review on Apple Podcasts, so more people will find The Rational Wellness Podcast. Also check out the video version on my WeitzChiro YouTube page.]

 

Podcast Highlights

 
In this episode of the Rational Wellness Podcast, host Dr. Ben White discusses postbiotics with Dr. Andrea McBeth, a naturopathic clinician and expert in functional gastroenterology and the microbiome. Dr. McBeth shares insights into her work with fecal microbial transplants and her development of the pheno-biotic supplement made from sterilized fecal matter. The conversation dives into the benefits of postbiotics for various gastrointestinal conditions and overall gut health, the complexities of bile acids and their roles in the body, and the emerging understanding of the microbiome's impact on brain and immune function. Dr. McBeth also highlights the stringent criteria for selecting stool donors for her supplements and announces an innovative partnership for clinical trials to gather more data on the effectiveness of postbiotics.
 
 
00:29 Meet Dr. Andrea Macbeth: Expert in Functional Gastroenterology
01:26 The Science and Benefits of Fecal Microbial Transplants
04:50 Exploring Bile Acids and Their Clinical Importance
10:02 Understanding Prebiotics, Probiotics, and Postbiotics
12:28 The Development and Benefits of Sterilized Postbiotic Products
14:36 The Apollo Wearable: Managing Stress and Improving Sleep
16:07 How Postbiotics Enhance Gut Health and Overall Wellbeing
28:01 The Role of the Microbiome in Immune Education
29:02 Postbiotics and Their Complementary Role
31:51 Clinical Trials and Data Collection
32:58 Dosage Recommendations and Usage
35:52 Probiotics vs. Fecal Microbiota Transplantation (FMT)
42:20 Misconceptions About the Gut Microbiome
48:19 Sourcing and Criteria for Donor Stool
50:04 Conclusion and Final Thoughts
 
 
 
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Dr. Andrea McBeth is the founder and CEO of Thaena, a pioneering microbiome therapeutics company. She has a Bachelor’s in Biochemistry, focusing on molecular biology, and a Doctorate in Naturopathic Medicine. Early in her career, Andrea directed her ND clinical practice toward functional GI disorders and autoimmunity, launching one of the first stool banks for fecal microbiota transplantation to treat Clostridioides difficile infections.  Driven by the interface between gut microbes and human health, Andrea invented ThaenaBiotic, the first human-derived postbiotic supplement. The website is Thaena.com.

Dr. Ben Weitz is available for Functional Nutrition consultations specializing in Functional Gastrointestinal Disorders like IBS/SIBO and Reflux and also Cardiometabolic Risk Factors like elevated lipids, high blood sugar, and high blood pressure.  Dr. Weitz has also successfully helped many patients with managing their weight and improving their athletic performance, as well as sports chiropractic work by calling his Santa Monica office 310-395-3111.