The TRUTH About Gut Cleanses, Postbiotics, and Real Gut Regeneration

Today's guest is Dr. Andrea McBeth, a trailblazer in the world of microbiome therapeutics and the founder and CEO of Thaena — a company pioneering human-derived postbiotic solutions to support gut and whole-body health. Andrea holds a Bachelor's in Biochemistry with a focus on molecular biology from the University of San Diego, and earned her Doctorate in Naturopathic Medicine from the National University of Natural Medicine. Her early clinical work focused on functional GI disorders and autoimmunity, and she went on to launch one of the first stool banks for fecal microbiota transplantation to treat Clostridioides difficile infections. She's served as President of GastroANP and as adjunct faculty at NUNM, where she developed and taught graduate courses on the microbiome's role in nutrition. Passionate about bridging science and real-world healing, Andrea invented ThaenaBiotic, the first human-derived postbiotic supplement — and now leads the charge at Thaena to bring safe, scalable microbiome-based treatments to the world. In this episode, we explore: What regenerative health means in the context of human biology Why the microbiome is central to regeneration — and what a truly resilient gut ecosystem looks like How the microbiome supports repair and renewal throughout the body — from gut lining to immunity and even mood Which microbial species and metabolites stand out for their regenerative potential Daily habits and exposures that best nourish the microbiome and enhance its regenerative power Common lifestyle and environmental disruptors that undermine microbial diversity and function Whether the traditional health model focuses too heavily on eradicating pathogens (e.g., antibiotics, cleanses) instead of cultivating regeneration How Thaena is flipping the script through their unique product philosophy You'll also hear from Dr. McBeth about the innovative postbiotics she's developed — including how Thaena sources and processes human-derived microbiome metabolites, what makes them safe, and how they differ from prebiotics, probiotics, and even FMT "crapsules." And so much more.

You can listen to The TRUTH About Gut Cleanses, Postbiotics, and Real Gut Regeneration online on Radio and Podcast. Open the player on this page to stream the available audio.

The TRUTH About Gut Cleanses, Postbiotics, and Real Gut Regeneration is an episode from Love & Guts by Lynda Griparic.

This episode is 55:27 long.

This episode was published on Jul 22, 2025.

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