Episode #160: Your ACNE Could Actually Be A GUT Problem! Featuring Katie Stewart

Katie Stewart, a Registered Holistic Nutritionist and Functional Diagnostic Nutrition Practitioner with a decade of experience treating 3,000+ clients, joins Dylan Gemelli to explore the gut-skin connection in acne. The episode's central premise is that acne often signals internal dysfunction rather than a skin-specific problem. Stewart covers how birth control disrupts hormones and gut health, the role of low stomach acid and digestive dysfunction, and how a dysregulated nervous system impairs skin healing. The discussion spans functional lab testing for root-cause identification, macronutrient impacts (protein, healthy fats, carbs), and specific triggers like caffeine and alcohol. Stewart ranks the biggest drivers of healthy skin and addresses conventional treatments—Accutane, antibiotics—with apparent skepticism. Additional topics include sun exposure, menopause-related acne, constipation and fiber, skincare product efficacy, face-washing frequency, moisturizers for oily skin, and toxic ingredients in personal care products, with particular focus on fragrance's hormonal interference. The episode is heavily sponsored, with multiple product integrations (Just Thrive probiotics, Mitopure, Apollo Neuro, Wonderfeel NMN) and affiliate links throughout. The show notes promise comprehensive coverage of root-cause nutrition and functional diagnostics but don't provide specific research citations, study names, or evidence-based backing for claims. Stewart's credentials are stated but not deeply verified in the material provided. The framing emphasizes functional medicine and nutritional approaches over conventional dermatology, positioning gut health and hormonal balance as primary levers for acne resolution.

Verdict: A competently hosted conversation with a credentialed functional nutrition practitioner on a relevant topic, but lacking research citations, evidence-based rigor, and potentially compromised by heavy sponsorship and broad shallow coverage.

Health & Fitness rubric

• Evidence-based claims 2/5 20%

  Guest has relevant credentials and experience, but show notes contain no citations to research, studies, or evidence supporting the gut-acne connection or specific claims about birth control, stomach acid, or treatments.

• Expert credentials 3/5 20%

  Katie Stewart holds relevant certifications (Registered Holistic Nutritionist, Functional Diagnostic Nutrition Practitioner) and has treated thousands of clients, but these are functional/alternative credentials rather than MD/dermatology q

• Safe and practical advice 3/5 15%

  Nutritional and lifestyle advice (protein, fats, stress management) is generally sensible, but skepticism toward Accutane and antibiotics without nuance could discourage evidence-based medical treatment for severe acne.

• Substance 3/5 15%

  Episode covers many topics with detailed chapter breakdowns, but show notes lack depth—no specific examples, case studies, or detailed explanations of mechanisms; appears to skim multiple areas rather than deeply explore any.

• Delivers on its title 4/5 15%

  Title promises acne as a gut problem; episode delivers on this premise with gut-skin connection, digestive dysfunction, and root-cause nutrition as core themes, though also covers broader hormonal and lifestyle factors.

• Value for time 2/5 15%

  64-minute episode with heavy sponsor integration (5+ product reads visible in notes) and broad topic coverage suggests padding; unclear if depth justifies length without hearing actual content.

How we score Health & Fitness

Worth it if you're interested in functional nutrition approaches to acne and willing to hear skepticism of conventional dermatology, but not if you need research-backed evidence or want to understand the science deeply.

Content flags

• Ad-heavy Five separate sponsor integrations (Just Thrive, Mitopure, Apollo Neuro, Wonderfeel NMN, plus affiliate links) visible in show notes for a 64-minute episode.
• Sponsored Episode heavily monetized with affiliate links and product promotions; unclear if guest selection or framing influenced by sponsorship relationships.

Based on the episode description. AI-generated; it can be wrong.