AFDNP is the Association of Functional Diagnostic Nutrition® Professionals.

We are a group of elite health professionals highly skilled at identifying healing opportunities that no one else has uncovered for you. Using cutting edge functional lab testing, we’ll help you discover the hidden causes of your chronic health concerns.

We’ll use your health history and your functional lab test data to help you look and feel your best and end the frustrating cycle of trial and error.

Your FDN® coach is an active member of the Association of Functional Diagnostic Nutrition® Professionals and is held to the highest standards of professionalism, ethics, and diagnostic skills.


We use your body’s data to recommend diet, rest, exercise, stress reduction, and supplement modifications.
We call this the D.R.E.S.S. for Health Success® protocol, and it could be the key to optimizing your health.


The Functional Diagnostic Nutrition® program has been producing elite health coaches since 2008. We’re the oldest health coaching program in the industry, and that experience shows in the quality of our practitioners. When you choose FDN®, you know exactly what you’re going to get.

It's time to take care of you.

It’s really hard to take care of other people or achieve your personal or professional goals when you’re exhausted, moody, and overwhelmed.

Tummy troubles, hormone imbalances, thyroid issues, and more can get in the way of looking and feeling your best.

Our FDN®s have seen it all.  We know that all dysfunction comes from Metabolic Chaos®, and we have the tools to teach you how to reverse most of your symptoms.  When you take care of yourself,  you can take care of everything else you want to do in life.


Meet the FDN® Advisory Board. We give expert counsel on the issues that matter to you. With countless years of combined Functional Nutrition experience, they’re passionate about leading the FDN® community professionals. And you’ll get an entire team working on your case.


We’ve been where you are. We became certified FDN® practitioners because we couldn’t find any answers in traditional medicine for our chronic health complaints. We struggled with fatigue that kept us from being present with our families and friends. We had insomnia that left us sobbing into the pillow at night. We had frustrating weight gain despite eating a low calorie or low carbohydrate diet. We had embarrassing digestive complaints that impacted our relationships with others.  We developed weird food sensitivities that left us feeling like we couldn’t eat more than five or six boring foods. In short, we understand you completely. And we know how to help.

After your free qualifying call, you’ll select the practitioner that you want to work with and you’ll book your first appointment. Meanwhile, your functional laboratory tests will be ordered and sent to your home or place of business. Over the course of a week or so, you’ll receive at-home testing kits that look for irregularities in your hormones, digestion, and energy. You’ll get clear instructions on how to take your tests and send them to the labs. During this time, you’ll also be filling out some comprehensive intake forms so we can learn everything we can about your health history. You’ll meet once with your FDN® to get acquainted and to discuss your health history. It takes about 2 weeks for all of your lab results to be processed, and when all of the data is in, you’ll meet with your FDN® again for your Results and Recommendations session. You’ll get four more sessions with your FDN® as you learn to apply our signature DRESS for Health Success® protocol. By the end of six sessions, most clients are feeling pretty good. But you’ll always have the option to add more sessions.

We love our doctors. In fact, there are FDNS® that are doctors. But traditional medical care excels at acute care, not chronic unexplained imbalances. There are no pills or procedures for restoring balance to a body in Metabolic Chaos. Your doctor has been excellently trained in medicine, and we don’t do medicine. We simply look for hidden stressors in the body. We have the time and flexibility to explore these hidden stressors with you. Your doctor likely doesn’t. The labs we run are not covered by insurance, and since we are health coaches and not medical or nutrition professionals, we don’t take insurance. Insurance companies like it when every symptom and issue fits in a neat little code or box, and we know the body is a lot more complicated than that. We have the knowledge and the flexibility to go deeper into your body’s imbalances. We get to do what your doctor likely longs to do- teach you how to be healthy. 

Generally, insurance only covers standard lab work ordered by your physician and most functional labs used by FDN® Practitioners are not covered by insurance.  When you hire an FDN® professional, you are “self-testing” and are paying “out-of-pocket”.  Experience indicates that Health Savings Accounts (HSA) are easy to use and cover not only most labs fees, but also some supplements and even adjunctive therapies such as massage, chiropractic, acupuncture, etc.  Some functional lab companies accept payment from Health Savings Accounts for lab fees and supplement expenses. HSA debit cards are easily attained by visiting www.HSAbank.com.  All monies you deposit in your HSA account are spent as “pre-tax” dollars and may provide additional tax benefits.  In the long run, this method of paying for health-related expenses can amount to greater savings than applying for insurance reimbursement, and certainly less hassle.  We hope you find this information helpful and understand that your health is the best investment you can possibly make.

You’re worried you’re beyond help. We get it. We’re here to tell you that we’ve seen it all. We have worked with tens of thousands of men and women just like you. We’ve walked with clients through crushing insomnia, zero energy, explosive diarrhea, a dormant libido, chronic infection, hormone irregularities, heavy metal issues, mold toxicity, and more. We’ve seen issues way more intense than those, too. We don’t fix anything. We simply sleuth out the hidden stressors that are contributing to a state of “dis-ease” in the body. We provide you the tools to achieve health and vitality. We call this an opt-in model of self care.  And it works pretty well (testimonials). 

Our goal is to deliver the most possible value to customers. That’s why our founder, Reed Davis, and the entire FDN® team have poured thousands of hours into making this program truly incredible. We also have an extremely low withdrawal rate, signaling that just about everyone is satisfied with their experience. Of course, premium service means paying a premium price: ${price} + a $250 deposit. 


Additionally, we offer a 14-day cancellation policy to reduce your risk. All you have to do is contact us before your first session and labs.

About Reed Davis

Reed Davis, Board Certified Holistic Health Practitioner (HHP) and Certified Nutritional Therapist (CNT), is an expert in functional lab testing and holistic lifestyle medicine. 

He is the Founder of Functional Diagnostic Nutrition®(FDN) and the FDN Certification Course with over 3,000 graduates in 50 countries.

Reed served as the Health Director at a Wellness Center in Southern California for over 10 years and with over 10,000 clients is known as one of the most experienced clinicians in the world. 

Reed serves on the Advisory Board of the American Natural Wellness Coaches Board and the American Association of Natural Wellness Coaches.

He lives in the US and when not teaching the FDN Certification Course and helping his graduates build their private practices, he is usually found gardening or riding motorcycles.

Reed Davis, HHP, CNT, LEHP

Founder Functional Diagnostic Nutrition© Certification Course Advisory Board Member ANWCB 
Advisory Board Member AANWC
[email protected]
Skype: ReeddavisFDN

About Dr. Alan Weinstein

After 25 years of practice, Dr. Weinstein combined his exercise expertise with direct to consumer marketing where he wrote, produced, directed and starred in his own long form infomercial, for an exercise device of his own invention. During this time he worked with Eric Stilson who many of you know for his hugely successful marketing campaigns for HealthRider, Bowflex and the AbDoer.
He honed his marketing media skills with Mercury Media and Euro RSG the largest media buyers in the world. He then went on to work with Alex Mandossian, Paul Colligan, and David Jackson, the top innovators in internet marketing today.
Having built three successful practices over the last 25 years, he brings an expertise in marketing and media that no one else has.
  • Director of Media and Marketing
  • Chiropractic Neurologist
  • Inventor
  • Metabolic Typing Advisor
  • ShopWurld Network Partner

About Sandeep Gupta

Dr. Gupta is a functional medicine and wellness doctor who is passionate about educating and sharing knowledge on some of the most important areas in holistic wellness today.

In his daily life, he is a board-certified general practitioner. He runs a busy integrative medicine practice on the Sunshine Coast, Australia. Dr Gupta graduated from medical school at the University of Queensland in 1999. He has received specialized training in integrative medicine, and was awarded a Fellowship of the Australasian College of Nutritional and Environmental Medicine (FACNEM) in 2008 and a Fellowship of the Australian College of General Practitioners FRACGP) in 2010. He also has a physician training certification with Dr Ritchie Shoemaker in biotoxin illness and Masters of Nutrition with Dr Gabriel Cousens in diabetes and living food nutrition. 

He is a past board member of the Australian Chronic Infectious & Inflammatory Disease Society (ACIIDS) and of the Australasian College of Nutritional & Environmental Medicine (ACNEM)  and a founding and past board member of the International Society for Acquired Environmental Illness (ISEAI)

He is on the examining lecturing faculty of ACNEM and is the chair of the legal advocacy committee of the Australasian Integrative Medicine Association (AIMA) where he is a strong advocate for issues threatening the integrative medicine movement overall. He’s very proud to be one of the medical directors for Functional Diagnostic Nutrition, and on the advisory board.

He has a broad range of interests including environmental medicine, management of complex multi-system illness including mould-related illness, mast cell activation syndrome (MCAS) and chronic infections. His main passion relates to finding the underlying causes and innovated approaches to managing chronic illness, which he teaches through his online and face-to-face courses.

About Lori Valentine Rose

Lori Valentine Rose, PhD, is the Founder of Hill College Holistic Wellness Pathway, an NANP/NBHWC approved degree program and AHG member school.

She is the owner of Lori Rose Holistic, a private clinical herbal, holistic nutrition, and wellness coaching practice. She is a National Board Certified Nutrition Professional (CNP), a Certified Functional Diagnostic Nutrition® Practitioner, a Board Registered Herbalist (RH), a National Board Certified Health and Wellness Coach (NBC-HWC), a Published biologist and ecologist (PhD), a Member of Cook Children’s Hospital Johnson County Alliance for Healthy Kids, and a Blue Peak Community Award winner.

She is a mom, wife, permaculture farmer, and passionate Zumba and Strong Nation fitness instructor. Her purpose on this earth is to help people find the authenticity, vulnerability, and courage that it takes to follow their dreams.

She uses her variety of education in biology, scientific literacy, functional diagnostics, environmental impact, herbalism, coaching, and nutrition to help people feel awesome again and enable them to follow their dreams and make this world a better place.

Dr. Lori Valentine Rose (PhD)
Certified Nutrition Professional (CNP)
Board Certified in Holistic Nutrition
Registered Herbalist (AHG)
National Board Certified Health and Wellness Coach (NBC-HWC)
Certified Functional Diagnostic Nutrition® Practitioner (FDN-P)
Hill College Life Sciences Professor
Founder of the Hill College Holistic Wellness Pathway www.hillcollege.edu/holisticwellness
Office: 817-760-5892

About Dr. Thomas Polucki

Dr. Polucki is an Upper Cervical Chiropractor and chiropractic instructor in practice for over 25 years helping provide fast and lasting pain relief without drugs or surgery. 
He has served as faculty at Sherman College of Chiropractic and assisting technical consultant at Southern California University of Health Sciences. Dr. Polucki also has certifications in Functional Diagnostic Nutrition®, Metabolic Typing® and Functional Medicine that allows him to help people with permanent weight loss, nutritional detoxification, allergies, bio-identical hormones, sleep and digestive tract rehabilitation.
Dr. Polucki hosts a weekly radio show “The Dr. Polucki Family Health Hour” on KHTS AM 1220 in Los Angeles and streaming online where FDN Founder, Reed Davis, has been an occasional guest.