Functional Health Certification & Education To Grow Your Impact & Fuel Your Career
(with the most advanced diagnostic training in the industry)
Take The Course Tour
Functional Health Certification & Education To Grow Your Impact & Fuel Your Career
(with the most advanced diagnostic training in the industry)
Take The Course Tour
learn functional health online

Learn From Anywhere

Complete the certification course online in just 6+ months, or take courses on specific topics to deepen your expertise. Connect with like-minded practitioners in 50+ countries.

transform lives functional health

Transform Lives

Feel confident tackling even the most complex health issues with advanced training, proven protocols & exclusive access to order over 60+ functional screening tests.

fuel your career fdn

Fuel Your Career

Leverage our expertly-crafted forms & templates, get 1:1 support from program mentors & increase your credibility with a network of 4K+ active FDN Practitioners.

Whether it’s For Yourself, or Your Clients,

Trying to Solve Complex Health Issues Without The Right Information is an Uphill Battle.

Whether it’s For Yourself, or Your Clients,

Trying to Solve Complex Health Issues Without The Right Information is an Uphill Battle.

Solving complex health issues is no easy feat

Without data to rely on, you’re left to guess about what’s happening within the body, and which protocols are going to restore function most efficiently. With new health information being published daily, it can feel like you’re drinking from a firehose, stuck in a Cycle of Trial and Error™.

World Class

Functional Health
Certification & Training.

World Class

Functional Health
Certification & Training.

Ways to Work With FDN

  1. FDN Practitioner Certification

Complete the 6+-month health certification to become an FDN Practitioner. Choose this option if you’re interested in going deep with functional testing knowledge to solve your own health issues, or those of your clients. This is also a great option for those looking to launch a new career as a health & wellness coach or practitioner. The only prerequisite is a desire to learn!

2. FDN Advanced Topics Courses

Purchase an individual course to deepen your knowledge in a specific area. Choose this option if you’re looking to stay focused on one area of functional health at a time. Great for those who have already been certified, or who are looking to get better results with their existing clients. These courses are open to anyone!

3. Hire a Certified FDN Practitioner 

Hire one of our 4,000+ graduates to help you investigate your own health concerns & get back to living your best life. Choose this option if you’re looking for fast results and don’t have a desire to learn the methodologies & protocols yourself. We have practitioners in over 50 countries – take your pick!

A Functional Health Pioneer

Meet FDN Founder | Reed Davis

“Over 20 years ago, I started to recognize a pattern with the people I was trying to help. They were stuck in a Cycle of Trial and Error™…continuously trying new things, but not getting any better. So, I committed to being the last person they saw on their quest for answers. 

Reed Davis

While working with industry leaders in alternative medicine, I ran thousands of labs on thousands of people and learned to identify what I have come to refer to as “healing opportunities.” & “Metabolic Chaos™. I made my own observations about who got better and who didn’t, comparing my natural drug-free protocols to those being used within conventional medicine.  

From there, I developed the FDN Practitioner Certification course to educate and empower as many people as possible to get well & stay well, naturally.”

The FDN certification provides you with a proven methodology to go beyond conventional health coaching, to solve even the most challenging health cases.

“Now I have an online health business making over $250k per year.”
Diane K
FDN Practitioner
“Now I have an online health business making over $250k per year.”
Diane K
FDN Practitioner

What Makes FDN Different?

Test, Don’t Guess.

We believe that data-driven protocols are the key to better health. Our health certification course teaches people to leverage the power of functional testing to get better results.

Our FDN Practitioner graduates get exclusive access to 60+ functional lab tests. FDN teaches you how to identify & correct imbalances within the body using highly-personalized protocols that put an end to Metabolic Chaos™.

Walk The Talk.

We believe the best way to learn is to begin with yourself. Our functional health certification includes the cost of labs in tuition, so you can truly walk the talk before serving clients.

Our mission is to educate as many people as possible, so they in turn can support others in building better health. We’ve designed our certification course to take you through a series of five foundational lab tests to address imbalances within your own body first. It’s a fun & motivating way to learn!

Be The Future.

We believe functional health is the future. Our functional health certification course offers the most advanced diagnostic training in the industry.

Our approach honors bio-individuality with highly-personalized diet & lifestyle protocols that give you & your clients exactly what they need, and nothing they don’t.  As a Functional Diagnostic Nutrition® (FDN) Practitioner, you will have the skills you need to be a true health detective, getting to the bottom of what’s going on, no matter their symptoms or diagnosis. FDN equips you with the most cutting-edge knowledge & support so you can build a thriving business serving others. 

“This program takes health coaching to another level.”
Donna
FDN Practitioner
“This program takes health coaching to another level.”
Donna
FDN Practitioner

How it Works | Become an FDN Practitioner

Step 1: 

WATCH THE TOUR

Watch our 60 min. course tour for a sneak peek at the student portal so you know exactly what to expect.

Step 2: 

ENROLL NOW

Enroll in our 100% online course & learn exactly how to get better health results for you and your clients. 

Step 3: 

Transform Lives

Join thousands of other practitioners transforming lives & running successful wellness practices doing what they love. 

Join Thousands of FDN Practitioners Who Are Transforming Lives & Growing Robust Functional Health Practices. 

Join Thousands of FDN Practitioners Who Are Transforming Lives & Growing Robust Functional Health Practices. 

jenn melecha

“FDN has helped me remain cancer-free for 10+ yrs & skyrocket my business by serving others!

FDN has helped me remain cancer-free for 10+ years! I’ve also been able to manage Hashimotos naturally and completely recover from mold illness. Being an FDN Practitioner allows me to help others around the world by finding the missing puzzle pieces & helping them restore optimal function within their body.”

Jenn Malecha

FDN Practitioner

Ryan monahan

“FDN is the only program out there teaching its practitioners how to interpret functional labs on this level.

And, I was confident that the program would provide me the tools to restore my own health & the health of my clients. It has helped me grow personally and professionally in so many ways.”


Ryan Monahan

FDN Practitioner

kristen thomas

“I had already completed the Institute for Integrative Nutrition (IIN) health coach certification, but…

As a client working with an FDN practitioner, I saw how quickly the approach helped me get to the root of my health issues despite doctors saying there was nothing wrong. Having seen the radical transformation in my own health, I knew I had to become certified. I had already completed the Institute for Integrative Nutrition (IIN) health coach certification, but it was clear to me that FDN had another layer of knowledge that would benefit my clients.”

Kristen Thomas

FDN Practitioner

Your Turn

Become a Functional Health Trailblazer.

The online FDN certification course teaches you to transform lives using functional health & empowers you to build a robust wellness practice along the way.

Your Turn

Become a Functional Health Trailblazer.

The online FDN certification course teaches you to transform lives using functional health & empowers you to build a robust wellness practice along the way.

3Step-Guide

Snag the 3-Step Guide To Better Functional Health Results.

By applying the FDN principles you can help people on a deeper level. Have a look at our 3-step guide to see how FDN Practitioners transform lives!

Name*

Name*

Leaders in the FDN Functional Health Community.

Leaders in the FDN Functional Health Community.

Common Questions About the FDN Certification Course.

+ Why choose FDN over other functional health certification courses?

It’s simpleour methodology teaches you how to get better results

That leads to better health for you & your family, endless client referrals & a thriving wellness practice. You also become part of a prestigious worldwide community of fellow FDN graduates, and have the opportunity to join our graduate program for ongoing business development support. 

FDN is an accredited program, trusted & well-recognized throughout the world. We have the longest history of training health coaches, professionals and health-conscience people (just like you!) in the industry. With FDN, you get exclusive access to order functional tests for you & your clients upon graduation. 

+ Are there any prerequisites for the FDN Certification Course or the advanced topics courses?

Nope! Our Founder, Reed Davis, is committed to making this knowledge accessible to as many people as possible. All courses are open to anyone looking to expand upon their current credentials, change careers, or simply to improve upon their own personal health. 

On The Blog | Functional Health Certification

Our top resources for those considering the FDN health certification.

A comparison of top online health coaching programs (plus 3 important questions to ask yourself before deciding).

How to Choose The Best Health Coaching Certification Program

Have you noticed that we’re becoming increasingly health-conscious, collectively?

Healthy foods, products, and habits are all on the rise, compared to years past. [1] 👏

Which means greater demand for health coaches as people begin prioritizing their health. In fact the global field of health coaching has grown to be worth over 7 billion in recent years, and it shows no sign of slowing down!

There really couldn’t be a better time to start a career as a health coach. Especially as people move away from conventional medicine & embrace cash-pay models in record numbers, making it easier to grow your own online health coaching business.

Read More »
HEADSHOT FOR 5 THINGS YOU CAN DO WITH YOUR FDN CERTIFICATION EPISODE, FDN, FDNTRAINING, HEALTH DETECTIVE PODCAST

Episode 131: 5 Things You Can Do with Your FDN Certification w/ Detective Ev

Introduction [00:00:00] Detective Ev: Welcome back to another episode of the Health Detective Podcast by Functional Diagnostic Nutrition. My name is Evan Transue, AKA Detective Ev. I will be your host for today’s show where I want to discuss five, out of the many, ways you can use your FDN Certification. I must apologize in advance. I am a little under the weather, so I’m slightly nasally today. I got to say this because it’s so darn funny to me. You might relate to this. If you’re in the natural or functional space already, have you ever been doing this stuff for a while and then you catch a cold or a stomach bug or whatever? And you have a friend or family member that does nothing for their health, they say to you, how did you get sick? Don’t you do all that natural stuff? I look at them

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jobs for health coaches

Job Opportunities for Health Coaches

What are the job opportunities and outlook for health coaches? Each year more and more individuals are looking for alternate options for health care. And, with a rise in diseases like obesity1 and diabetes2, so it’s no wonder people are turning to health coaches to offer new types of treatment. The Job Market Outlook The job outlook and demand for health coaches are growing rapidly. The job market is expected to expand by 13% by 2029 for health coaches and community health workers3. This growth rate is a sharpimprovement to the average job growth rate of 5-8%4. What are the Job Opportunities Available to Me? With the job market growing so fast, what kind of jobs can you expect as a qualified health coach5,6? Private Practice One of the many options for Health Coaches is starting their own private practice. This path allows you to set your own hours, be

Read More »
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Order 60+ functional health 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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Deepen your expertise with 10+ advanced topics courses (open to anyone)!
“Healing occurs when we identify & remove contributors to Metabolic Chaos™ and restore optimal function using data-driven protocols & natural therapies.”
- Reed Davis, FDN Founder
“Healing occurs when we identify & remove contributors to Metabolic Chaos™ and restore optimal function using data-driven protocols & natural therapies.”
- Reed Davis, FDN Founder

Become known as

The Functional Health Expert Who Solves The Problem When Nobody Else Can.

Become known as

The Functional Health Expert Who Solves The Problem When Nobody Else Can.

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