

The Health Detective Podcast by Functional Diagnostic Nutrition
Reed Davis
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 you!Visit www.functionaldiagnosticnutrition.com to learn more about the Functional Diagnostic Nutrition program.
Episodes
Mentioned books

Aug 4, 2025 • 52min
Why Diets Fail and Metabolic Burnout Wins w/ Deniece Guyan
In this episode, Evan and Deniece explore the intricacies of metabolism and weight loss.
Discover how hormones, sleep, nutrition, recovery, and movement all influence energy creation and usage in the body. This episode will help you understand the difference between weight loss and metabolic optimization. Learn why boosting or optimizing metabolism is essential for long-term weight management. You'll Learn:
How different factors affect the body's energy conversion
The distinction between weight loss and metabolic optimization
Why focusing on metabolism can lead to sustainable weight management.
Want to watch this episode on YouTube? Click here. Subscribe if you'd like to catch all new episodes live and participate with our guests directly.
Want to learn more about becoming an FDN? Go to fdntraining.com/resources to get our best free workshops and mini-courses!
Where to find Deniece Guyan:
Website: mymetabolicmakeover.net
Instagram: @workoutstowellness
Facebook: @WorkoutstoWellness

Jul 31, 2025 • 59min
Vector-Borne Illnesses & A Silent Epidemic Behind Chronic Diseases w/ Nicole Bell
In this episode, Nicole Bell—an author, entrepreneur, and advocate for tick-borne and neurodegenerative diseases— shares her mission to change the diagnostic landscape for these debilitating conditions. She also tells her personal journey, highlighting her husband's misdiagnosis with a tick-borne illness and her drive to prevent others from suffering the same fate.
The discussion focuses on the role of vector-borne pathogens in chronic illnesses, the limitations of current testing methods, and how Galaxy Diagnostics offers a more accurate detection solution.
Want to watch this episode on YouTube? Click here. Subscribe if you'd like to catch all new episodes live and participate with our guests directly.
Want to learn more about becoming an FDN? Go to fdntraining.com/resources to get our best free workshops and mini-courses!
Where to find Nicole Bell:
Website: galaxydx.com
Instagram: @galaxydiagnostics
Facebook: @galaxydx
LinkedIn: @company/galaxy-diagnostics-inc-

Jul 28, 2025 • 57min
Tired, Bloated & Gaining Weight Until One Lab Test Changed Everything w/ Jennifer Hill
Jennifer Hill—an expert in food sensitivity testing—shares her powerful journey through dietary transformation and holistic health.
From discovering the impact of dietary changes on her own health to helping others achieve similar transformations, this conversation dives deep into the role of personalized eating plans and overall wellness.
Want to watch this episode on YouTube? Click here. Subscribe if you'd like to catch all new episodes live and participate with our guests directly.
Want to learn more about becoming an FDN? Go to fdntraining.com/resources to get our best free workshops and mini-courses!
Where to find Jennifer Hill:
Website: betterhealthandbeyond.com
Instagram: @betterhealthandbeyond

Jul 24, 2025 • 1h
Exhausted, Foggy, Gaining Weight? It’s Not Laziness, It’s Leptin w/ Josh Saint
FDNP Josh Saint explores his powerful journey through health transformation and resilience. From battling leptin resistance and overcoming emotional traumas to embracing circadian biology, Josh dives deep into holistic healing.
He experienced significant personal health challenges, including depression and fatigue, during a difficult period in his life, which motivated him to deepen his knowledge and tools in the health field. Josh emphasizes the importance of addressing not just physical health but also emotional and spiritual well-being.
Want to watch this episode on YouTube? Click here. Subscribe if you'd like to catch all new episodes live and participate with our guests directly.
Want to learn more about becoming an FDN? Go to fdntraining.com/resources to get our best free workshops and mini-courses!
Where to find FDNP Josh Saint:
Website: saintwellness.org
Facebook: @josh.saint.568

Jul 21, 2025 • 10min
The Detox Doctor’s Secret Weapon: Quicksilver w/ Matt Reddy, ND
Dr. Matt Reddy—a seasoned Naturopathic physician with over 20 years of experience—explores his powerful journey through mastering health detoxification.
From the challenges of finding effective supplements to successfully incorporating cutting-edge Quicksilver Scientific products, this conversation dives deep into the intricacies of heavy metal detoxification.
Want to watch this episode on YouTube? Click here. Subscribe if you'd like to catch all new episodes live and participate with our guests directly.
Want to learn more about becoming an FDN? Go to fdntraining.com/resources to get our best free workshops and mini-courses!
Where to find Matt Reddy, ND:
Website: drmattreddy.com
Instagram: @drmattreddy
Website: quicksilverscientific.com

Jul 17, 2025 • 25min
The Scientist Who Makes Healing Make Sense: Meet Dr. Lori Rose
Dr. Lori Rose gives an overview of the Advance Immune System Health Course.
This course dives into the immune system anatomy and physiology, how other body systems contribute to immune health (digestive, nervous, blood sugar, endocannabinoid), and how to use lifestyle strategies, nutrition, herbs, and supplements to support the immune system. Prevention strategies as well as therapeutic strategies for innate and adaptive immune health are detailed, including strategies for long COVID and other chronic immune issues. CBC lab work assessment of immune health is also covered in this course.
Want to watch this episode on YouTube? Click here. Subscribe if you'd like to catch all new episodes live and participate with our guests directly.
Want to learn more about becoming an FDN? Go to fdntraining.com/resources to get our best free workshops and mini-courses!
Where to find FDN's Advanced Immune System Health Course
Website: fdntraining.com/fdnadvimmunesys
All FDN Advanced Courses: fdntraining.com/FDNadvcourses

Jul 14, 2025 • 52min
The Acne Wasn’t the Problem. It Was the Clue. w/ Sachi Sarin
Meet Sachi Sarin - a dedicated expert in functional health - to explore her transformative journey through understanding the connection between skin issues like acne and gut health.
From struggling with persistent acne to discovering the crucial role of digestive health, this conversation dives deep into holistic healing. Learn why proper functional testing is essential and how the right practitioner can guide you towards better health. If you're ready to understand how internal health mirrors on your skin, you're going to love this episode.
Want to watch this episode on YouTube? Click here. Subscribe if you'd like to catch all new episodes live and participate with our guests directly.
Want to learn more about becoming an FDN? Go to fdntraining.com/resources to get our best free workshops and mini-courses!
Where to find Sachi Sarin:
Website: wellness-mantra.b12sites.com
Instagram: @healthcoachsachi

Jul 10, 2025 • 51min
Doing Everything ‘Right’ but Still Gaining Weight & Totally Burnt Out w/ Brooke Davis
Brooke Davis is a Functional Diagnostic Nutrition Practitioner and owner of Elysian Women’s Wellness. Her expertise in managing symptoms of perimenopause and menopause through functional labs is effective.
Brooke shares how these tools help decode underlying dysfunction often overlooked by conventional medicine and offers insights into how women can regain their vitality without burning out. With a wealth of experience in women's health and a personalized approach using her Metabolic Optimization Method, Brooke provides practical takeaways for balancing hormones and enhancing well-being.
Want to watch this episode on YouTube? Click here. Subscribe if you'd like to catch all new episodes live and participate with our guests directly.
Want to learn more about becoming an FDN? Go to fdntraining.com/resources to get our best free workshops and mini-courses!
Where to find Brooke Davis:
Website: elysianwomenswellness.com
Instagram: @brooke_elysian
Facebook: @bdavistraining

Jul 7, 2025 • 55min
This Lawyer Just Blew the Lid Off Your Grocery Store w/ Scott Tips, JD
Scott Tips—a veteran food-and-drug attorney and health-freedom activist—explores his impactful journey through legal advocacy and global health initiatives.
From his pioneering work as one of the first food-and-drug lawyers West of the Mississippi to leading the National Health Federation in its mission for consumer health freedom, this conversation dives deep into the fight against government and corporate overreach in health matters.
Want to watch this episode on YouTube? Click here. Subscribe if you'd like to catch all new episodes live and participate with our guests directly.
Want to learn more about becoming an FDN? Go to fdntraining.com/resources to get our best free workshops and mini-courses!
Where to find Scott Tips & the National Health Federation:
Website: thenhf.com
Facebook: @nationalhealthfederation

Jul 3, 2025 • 28min
FDN Conference In San Diego! w/ Jeremy Malecha
Jeremy Malecha of Biocanic shares about the upcoming HIX conference, a cornerstone event designed to empower health practitioners with cutting-edge tools and skills to launch and enhance their practice. Jeremy shares the history and purpose of the HIX conference, detailing its unique approach to combining business mastery and health intelligence.
" This is the closest thing that we will ever do again to an FDN conference." - Detective Ev
Want to watch this episode on YouTube? Click here. Subscribe if you'd like to catch all new episodes live and participate with our guests directly.
Want to learn more about becoming an FDN? Go to fdntraining.com/resources to get our best free workshops and mini-courses!
Website: https://hix-live.com October 9-11 2025 | San Diego, CA
CODE: HDP for 45% discount until July 15, 2025


