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Your Trusted Partner for Functional Diagnostic Nutrition Training
Functional Diagnostic Nutrition (FDN) was founded on the principle that metabolic dysfunction underlies most chronic health issues. Our systematic approach combines functional lab testing with the D.R.E.S.S. for Health Success protocol to address root causes rather than symptoms. With over 17 years of clinical development and 10,000+ labs analyzed, weve created a proven framework that empowers practitioners to identify healing opportunities across hormone, immune, digestion, detoxification, energy production, and nervous system functions. Our graduates benefit from 12 one-on-one mentorship sessions, access to 70+ functional labs through our Medical Director Program, and a global community of 5,000+ practitioners.

We emphasize hands-on learning by requiring students to optimize their own health first, ensuring firsthand experience with our methodology. Our commitment to evidence-based decisions and repeatable systems has established FDN as a leader in functional health education, enabling practitioners to build successful practices while delivering transformative client outcomes.
Services
FDN Certification Program Medical Director Program Business Development Training One-on-One Mentorship Functional Lab Testing Kits
Highlights and features
  • 17+ years of clinical development with 10,000+ labs analyzed
  • Exclusive H.I.D.D.E.N. system for comprehensive metabolic assessment
  • D.R.E.S.S. protocol addresses root causes, not just symptoms
  • Global lab access through our Medical Director Program
  • 12 personalized mentorship sessions with industry experts
What people say
Life-changing education Supportive global community Career growth opportunities Effective lab protocols Personal health improvements
Services
FDN Certification Program
Our certification program teaches practitioners to analyze functional labs and implement the D.R.E.S.S. protocol. Students complete 12 mentorship sessions, run personal labs, and gain access to 70+ tests. The self-paced curriculum includes business training and lifetime alumni support. Graduates join a global network of 5,000+ practitioners using this systematic approach to resolve chronic health issues.
Medical Director Program
This program enables unlicensed practitioners to order 70+ functional labs through our medical director oversight. It includes training on test selection, interpretation, and clinical correlation with client symptoms. Practitioners gain immediate access to advanced diagnostics for hormone, immune, and digestive system assessments without needing a medical license.
Business Development Training
We provide strategies for building successful health practices, including client acquisition, pricing models, and marketing techniques. Training covers creating high-value packages, leveraging lab results for client retention, and scaling through digital products. Graduates report significant income growth, with some reaching $250k+ annual earnings.
One-on-One Mentorship
Each student receives 12 individual mentorship sessions covering lab interpretation, protocol creation, and business strategy. Mentors guide students through personal health optimization and mock client cases. Ongoing support includes live group calls with founders and access to a private community for peer collaboration and case discussions.
Functional Lab Testing Kits
We offer comprehensive lab panels through our H.I.D.D.E.N. framework, assessing hormone, immune, digestive, and detoxification systems. Tests include stress hormone profiles, gut microbiome analysis, and metabolic typing assessments. Practitioners learn to connect multiple system dysfunctions for holistic treatment plans that address root causes rather than isolated symptoms.
Questions
What is the FDN Methodology?
The FDN Methodology uses functional lab testing and the D.R.E.S.S. protocol to identify and address root causes of chronic health issues through diet, rest, exercise, stress reduction, and targeted supplementation.
Can I access functional labs without a medical license?
Yes, our Medical Director Program grants immediate access to 70+ functional labs, enabling unlicensed practitioners to order tests and build evidence-based practices.
How long does certification take?
Most students complete the program in 4-8 months through our self-paced online curriculum with 12 personalized mentorship sessions included.
What business support is included?
We provide business development training, marketing strategies, and access to a private community of 5,000+ practitioners for networking and peer support.
Is FDN accredited?
Our program offers board certification options through the American Association of Natural Wellness Practitioners and aligns with standards from the American Association of Drugless Practitioners.
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