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Artwork for The Health Detective Podcast by Functional Diagnostic Nutrition

The Health Detective Podcast by Functional Diagnostic Nutrition

Reed Davis
Functional Diagnostic Nutrition
Functional Medicine
Nutrition
Gut Health
Health Coaching
Mental Health
Holistic Health
Stress Management
Weight Loss
Entrepreneurship
Women's Health
Hormones
Chronic Illness
Detoxification
Autoimmunity
Metabolic Health
Cortisol
Long COVID
Lyme Disease
Sleep

We bring you interviews from people who have conquered the trickiest of health challenges using the Functional Diagnostic Nutrition Philosophy and similar healing modalities. You’ll hear from experts who have been through the wringer with their health issues, and yet managed to come out on the other side.If you are interested in natural healing and/or functional medicine, this is the podcast for y... more

PublishesTwice weeklyEpisodes554Founded6 years ago
Number of ListenersCategories
Health & FitnessAlternative Health

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Artwork for The Health Detective Podcast by Functional Diagnostic Nutrition

Latest Episodes

In this episode of the Health Detective Podcast, Michele Scarlet sits down with recent FDN graduate Jaime Dadd to unpack what a GI Map test finally revealed after a lifetime of guessing: H. pylori, low pancreatic elastase, bacterial overgrowth, and g... more

What happens when every medical test comes back "normal," yet your body is telling you something is seriously wrong?

In this powerful episode of the Health Detective Podcast, Functional Diagnostic Nutrition Practitioner (FDN Practitioner) Betsy Stev... more

Why do so many women continue battling fatigue, brain fog, weight gain, hormone imbalance, bloating, and food sensitivities, even when their lab results come back “normal”?

In this episode of the Health Detective Podcast, Michele Scarlet sits down w... more

In this special episode of the Health Detective Podcast, FDN Founder Reed Davis shares the remarkable story behind the creation of Functional Diagnostic Nutrition (FDN) and explains how a passion for helping people evolved into one of the world's lea... more

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Recent Guests

Betsy Stevenson
Functional diagnostic nutrition practitioner; founder of Functionally Balanced with Betsy
Functionally Balanced with Betsy
Episode: The Root Causes Behind Hormone Imbalance, Gut Issues & HPA Axis Dysfunction | Betsy Stevenson
Dr. Stephanie Dunlop
Board certified emergency medicine physician and founder of RootRX
RootRX
Episode: The Hidden Reason Women Feel Sick Despite “Normal” Labs | Dr. Stephanie Dunlop
Michele Scarlet
Functional medicine practitioner, podcast host, and women's health expert
Core Fit / Body Freedom Podcast
Episode: How to Build a Bulletproof Health Coaching Business | Multiple Income Streams, FDN & Time Freedom
Jessica Washington
Functional Diagnostic Nutrition Practitioner
FDN
Episode: 5 Years of Acid Reflux & Stomach Pain, Gone: The Root Cause Her Doctors Kept Missing
Reed Davis
Founder of Functional Diagnostic Nutrition (FDN)
Functional Diagnostic Nutrition
Episode: Why Health Coaches Need More Than Functional Medicine | Reed Davis Explains FDN
Connie Wade
FDNP and owner of Wade Wellness, functional health practitioner and certified health coach with 25 years in medicine
Wade Wellness
Episode: Joint Pain, Psoriasis & Hormones Healed as ER Nurse Practitioner Moves Toward Functional Nursing | Connie Wade
Rae-Win Guerrero
Gutsy executive coach and practitioner with focus on gut-brain health, founder of FDN Business School and related mentorship programs
Functional Diagnostic Nutrition (FDN)
Episode: Gut Health, IBS & Anxiety to Building Freedom | How healing her gut led her to building a thriving functional medicine practice
Elizabeth Aylor
Holistic nutritionist, GAPS practitioner, functional diagnostic nutrition practitioner, certified strength and conditioning specialist
Independent health practitioner / FDN network
Episode: Bloating, Rosacea, Eczema & Food Sensitivities: What’s Actually Causing It?
Steven Rondeau
Founder of Axon EEG Solutions
Axon EEG Solutions
Episode: Brain Mapping: A New Language for Mental Health

Hosts

Michelle Scarlett
Co-host with focus on patient-centered inquiry and nuanced health discussions; associated with Functional Diagnostic Nutrition and The Health Detective Podcast ecosystem.
Evan Trantzou
Host known for guiding conversations with practical health insights and emphasis on gut-brain health.

Reviews

4.9 out of 5 stars from 232 ratings
  • Always Worth the Listen

    Insightful, practical and easy to apply! I always come away with a new tip or perspective to support health and healing. The variety of topics keeps every episode interesting. Highly recommend for anyone interested in holistic health.

    Apple Podcasts
    5
    CarverHome
    United Statesa month ago
  • Packed with useful info

    You can always count on great info coming from Reed Davis and FDN. Find a topic you’re interested in and give a listen.

    Apple Podcasts
    4
    Melissa5000
    United Statesa month ago
  • Great for anyone seeking better health

    Michelle is a wealth of knowledge on all things functional health. Great diversity of topics and guests. I learn something on every episode.

    Apple Podcasts
    5
    HealthyMe360
    United Statesa month ago
  • Actionable information

    This podcast provides insights and tools you can apply to start a healing journey as well as how you can deepens your experience.

    Apple Podcasts
    5
    KVanCole
    United Statesa month ago
  • Essential!!!

    This podcast is great! I’m always learning new things and it helps me to further dial in my existing FDN knowledge.

    Apple Podcasts
    5
    JZ-FDNP
    United Statesa month ago

Listeners Say

Key themes from listener reviews, highlighting what works and what could be improved about the show.

Listeners cite the broad range of topics and practical health education across episodes.
The host is praised for clarity and staying present with guests.
Listeners appreciate empowering stories from FDN practitioners and actionable health insights.
The host makes guests feel at ease and keeps the show informative.
The host asks great questions and creates great conversations.

Chart Rankings

How this podcast ranks in the Apple Podcasts, Spotify and YouTube charts.

Talking Points

Recent interactions between the hosts and their guests.

How to Build a Bulletproof Health Coaching Business | Multiple Income Streams, FDN & Time Freedom
Q: What did FDN do to change my life?
It gave back time freedom and health, enabling her to balance personal life with work, while also expanding her coaching toolkit and income streams through the FDN framework.
5 Years of Acid Reflux & Stomach Pain, Gone: The Root Cause Her Doctors Kept Missing
Q: Can you walk us through what happened in the early years and how it led you to FDN?
The breakdown started with a long health decline fueled by dietary habits, antibiotic use, and restrictive testing. After exhausting conventional options, a chance encounter with an offshoot practitioner introduced her to functional nutrition, ultimately leading to FDN and a radical shift in understanding and treating the root causes.
Why You're Still Tired After Doing Everything Right | Cellular Energy & Burnout w/ Sarah Ball
Q: But what advice would you give somebody that's listening to this episode on where to start?
Start with foundational energy support: add mineral salts to water, ensure adequate potassium (e.g., coconut water) and magnesium, and incorporate simple nature-based grounding and sunlight routines to raise cellular voltage before launching into complex parasite cleanses or other protocols.
Joint Pain, Psoriasis & Hormones Healed as ER Nurse Practitioner Moves Toward Functional Nursing | Connie Wade
Q: What were the first major changes you made in your lifestyle that contributed to your health transformation?
The guest describes cutting out gluten, sugar, and dairy for a period, quitting night shifts, and adding targeted supplements to support metabolic and hormonal balance, which together led to noticeable improvements within a few weeks to months.
Joint Pain, Psoriasis & Hormones Healed as ER Nurse Practitioner Moves Toward Functional Nursing | Connie Wade
Q: And can I ask how old you were like when you were feeling that way?
She was around 48, transitioning into menopause-related symptoms; the discussion centers on age related health changes and the urgency to seek deeper solutions beyond quick fixes.

Audience Metrics

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Frequently Asked Questions About This Podcast

What is This Podcast about and what kind of topics does it cover?

Listeners are drawn to hands-on, holistic health conversations rooted in functional medicine. Episodes commonly explore gut health, inflammation, hormone balance, brain health, and addiction or recovery through lab-guided, terrain-focused approaches. Guests range from practitioners and coaches to authors and clinicians who share personal healing journeys and practical strategies for building sustainable health practices. The show often emphasizes patient empowerment, real-world case stories, and multi-revenue or scalable coaching/business ideas for practitioners, making it valuable for both health-minded consumers and health professionals seeking actionable insights.

A notable strength is the host's ability to pull out practical nuggets fr... more

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These podcasts share a similar audience with this podcast:

1. LONGEVITY with Nathalie Niddam
2. Myers Detox Podcast
3. Dr. Jockers Functional Nutrition
4. The Dr. Hyman Show
5. The DUTCH Podcast

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this podcast launched 6 years ago and published 554 episodes to date. You can find more information about this podcast including rankings, audience demographics and engagement in our podcast database.

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What guests have appeared on this podcast?

Recent guests on this podcast include:

1. Betsy Stevenson
2. Dr. Stephanie Dunlop
3. Michele Scarlet
4. Jessica Washington
5. Reed Davis
6. Connie Wade
7. Rae-Win Guerrero
8. Elizabeth Aylor

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