About Us

A Team of Functional Health & Business Experts to Help Grow Your Health Coaching Practice

About FDN | Functional Health Experts

Origin Story

More than 20 years ago, FDN Founder, Reed Davis, recognized that most people with chronic conditions were caught in a frustrating cycle –- desperately searching for answers, but never finding the lasting results they were after. 

He watched as they hopped from practitioner to practitioner, only to be told “everything looks normal” or to be convinced of yet another unsuccessful diet, program, or modality. Reed refused to be just another stop in this endless cycle. So he committed to being the last person his clients saw on their quest for answers & better health. 

Over the next ten years, Reed reviewed thousands of functional labs for thousands of people. He began to recognize certain patterns that eventually revealed an entire constellation of healing opportunities, giving way to a proven and repeatable system that is now the foundation of Functional Diagnostic Nutrition® (FDN).

Today, while the program is constantly changing based on the latest science, FDN is dedicated to teaching health coaches this same proven methodology, so they can become the best in the industry. 

The FDN Mission

FDN is on a mission to help people take control of their health & live more vibrant lives. We believe the most efficient way to achieve this is by teaching as many health coaches as possible how to grow robust wellness practices, therefore increasing access to an empowering framework for building better health. 

We are committed to:

Teaching proven systems.

We’ve developed a data-driven methodology that is anchored in bio-individuality, while offering a timeless “rinse & repeat” system that works for any client. On top of that, we walk you through proven business & marketing strategies that prepare you to launch + grow a 6-figure health practice.

Providing expert mentorship & support.

Accelerated growth doesn’t happen in isolation. We provide you with the high-level support you need to succeed–-from weekly group sessions, to 1:1 mentorship, and unparalleled levels of graduate support.

Being the last program you need.

Have you completed a health coaching certification or program, but still feel stuck? The FDN Program + FDN Business School is our recommended track designed to fill in the gaps in your education, and guarantees your success (otherwise, you get 6 months of business coaching on us!).

Ready to finally feel confident in your skills? 

You’re in the right place!

A Team of Functional Health Experts

A Team of Functional Health Experts

Reed Davis

FDN Founder

Reed Davis is the Founder of FDN & a functional health pioneer, having developed the FDN Methodology over 15 years ago, based on his careful analysis of thousands of lab results. Through FDN, Reed has now shared his methodology with over 4,000 practitioners worldwide.

Evan Transue

Podcast Host & Program
Enrollment Advisor

Evan, or “Detective Ev” is the host of FDN’s Health Detective Podcast. He is also Co-Founder of Bucks County Light Therapy and Functional Medicine Center, where he helps people improve their mood & energy levels using science-backed light therapy.

Brandy Buskow

Chief Operations Officer

Brandy is a Board Certified Functional Diagnostic Nutrition Practitioner, Board Certified Holistic Health Practitioner, Board Certified Health and Wellness Coach, Certified Gluten Free Practitioner, Master EFT Practitioner, and Certified Hypnotherapist. Her history of digestive issues, weight issues, and anxiety inspired her to learn as much as possible to help heal herself. 

Elizabeth Gaines

Lead Mentor & Co-Educator

Elizabeth Gaines is a practicing FDNP and Burnout Recovery Specialist. After healing her own chronic fatigue while going through the FDN Program, she fully believes in FDN’s principles and serves as the Lead Mentor inside the FDN Program.

What We Believe

We believe in a new paradigm of health.

Gone are the days of outsourcing one’s health. We choose to operate in a paradigm where each individual takes an active role in educating themselves & supporting their bodies to the best of their ability. We train our students to be top-tier health coaches, consultants & guides, here to empower individuals on their journey to build better health.

We believe humans were designed to heal.

Given the right support & healthy environmental conditions, we believe the human body is capable of healing from just about anything. When we work *with* the body instead of against it, we can then restore balance & harmony.

We believe knowledge is power.

Understanding how to gather & analyze data is one of the most important factors in achieving optimal wellness. Functional lab analysis allows us to identify each person’s unique biochemical, nutrient, gut & hormonal imbalances, and therefore restore balance & achieve sustainable health.

We believe in personalized health.

There is no “one-size-fits-all” approach to health & wellness. What helps one person recover & heal may aggravate symptoms in another. While the FDN methodology works for everyone, the protocols that result from this methodology are highly-personalized & unique to each individual.

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Access to labs for your clients through our Medical Director Program.

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Join 4K+ Functional Diagnostic Nutrition® (FDN) Practitioners across the world.

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Earn $200+ / hour selling highly transformative packages to your clients.

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Complete the FDN Certification Program in just 8-10 months.

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Connect with FDN practitioners in 50+ countries across the world.

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Access to labs for your clients through our Medical Director Program.

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Join 4K+ Functional Diagnostic Nutrition® (FDN) Practitioners across the world.

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Connect with FDN practitioners in 50+ countries across the world.

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Earn $200+ / hour selling highly transformative packages to your clients.

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Complete the FDN Program in just 8-10 months.

Board Certification & Accreditation

As leaders in the functional health community, we are well-known & trusted by top-tier institutions & thought leaders across the world. The FDN Program is an accredited training program and graduates are eligible for the following:

Kathleen DiChiara,
Rhode Island

FDN Practitioner

FDN provided me with a unique set of skills, advanced training and diagnostic tools that enhanced my ability to serve my audience. The best way to describe it is – FDN teaches you how to think, not what to think

Deb Pomeroy,
St. Charles, IL

FDN Practitioner

FDN gave me the confidence to implement new teachings in my business immediately, and it has helped me grow personally and professionally in so many ways. As an IIN graduate and health coach I felt I could help more individuals if I could dig deeper, and FDN has given me the tools to do that!

Wynne Heilbrunn,
San Diego, CA

FDN Practitioner

FDN has given me a career that I am passionate about as well as a purpose – to help others heal and feel great so they can live their best lives! FDN helped me heal my own body, and gave me the tools to help others as well. I love FDN and the support that the community gives

Watch the Masterclass:

5 Secrets to Becoming a Successful Health Coach

(that nobody else is talking about)

Discover why some health coaches struggle to create a sustainable career and others succeed with 6-figure incomes – that they never tell you in health coaching school.




Are you right for our affiliate program?

The FDN Affiliate Program is open to anyone in the functional health space that also has an online presence. Using your online influence and original marketing content, you can earn extra income by marketing our program and other FDN products to your audience.

Whether you’re a seasoned expert in the functional space or you’re just starting out, join our affiliate program today and start earning money.

We welcome industry leaders, as well as new faces, who are looking to make a difference in the world of functional health.


Ready to Uplevel Your Health Coaching Skills?