CFN-Specialist (CFN-S) Certification
44-hours of advanced Functional nutrition training
The CFN-Specialist (CFN-S) Certification is an advanced program designed for nutrition professionals who want to deepen their expertise in functional nutrition and lifestyle medicine. Building on the foundational Certified Functional Nutritionist credential, this specialty certification equips practitioners with advanced clinical skills, practical tools, and the knowledge needed to address complex health concerns.
Through this program, students gain access to hands-on learning, case studies, and mentorship opportunities that prepare them to implement advanced strategies in real-world practice.
Why Pursue a CFN-Specialist Certification?
Earning the CFN-Specialist credential demonstrates mastery in functional nutrition and positions you as a leader in the field. Professionals with this certification are trained to:
This advanced training complements a functional nutrition certification and allows graduates to expand their scope of practice while offering higher-value services to clients.
Functional Nutrition Certification Online
The CFN-S program is offered as a flexible functional nutrition certification online, allowing students to complete coursework at their own pace without sacrificing quality or depth. Online training includes:
By completing this online program, graduates earn a recognized functional nutrition certification that enhances professional credibility and career opportunities.
Functional Diagnostic Nutrition Certification
A key component of the CFN-Specialist program is functional diagnostic nutrition certification. This advanced training teaches practitioners how to:
This level of expertise allows CFN-S graduates to combine functional diagnostic insights with clinical nutrition planning, making them highly effective in private practice, integrative clinics, or wellness programs.
Who Should Enroll?
The CFN-Specialist Certification is ideal for:
Benefits of the CFN-S Certification
Graduates of the CFN-Specialist program gain:
By earning this credential, practitioners demonstrate both expertise and commitment to providing comprehensive, evidence-based care.
Take the Next Step
If you’re ready to advance your career and deepen your functional nutrition expertise, the CFN-Specialist (CFN-S) Certification is the next step. Learn how this specialty program combines functional nutrition certification, functional nutrition certification online, and functional diagnostic nutrition certification to prepare you for advanced practice and professional growth.
Explore program details, enrollment options, and requirements at The Academy of Functional Nutrition and Lifestyle Medicine and take the next step toward becoming a leader in functional nutrition.
The Curriculum
Once you complete modules 1–8 and become a CFN, you will have learned the basic foundations of clinical nutrition and lifestyle medicine. The specialty modules provide advanced training for CFNs in the principles of functional medicine. Once you complete all of the specialty modules, you will earn CFN-Specialist (CFN-S) certification.
The CFN-S program is 44 hours in length.
Certified Functional Nutritionist-Specialist (CFN-S) Modules
CFN-S Module 1

Immune and Autoimmunity
This module provides comprehensive training on immune system function, the development of autoimmunity, and strategies for addressing autoimmune conditions. You'll learn the mechanisms behind immune dysfunction and evidence-based methods to support healthy immune responses.
CFN-S Module 2

Blood Sugar and Energy Stabilization
This module covers blood sugar regulation mechanisms and how dysregulation impacts energy and overall health. You'll learn evidence-based strategies to address both hypoglycemia and hyperglycemia while supporting optimal metabolic function.
CFN-S Module 3

Gastrointestinal Conditions
This module covers an in-depth review of the gastrointestinal (GI) system and examines the roles of the gut in overall health and well-being. Learners will explore functional approaches to addressing common GI disorders such as GERD, SIBO, and IBS, with a focus on root cause analysis and targeted interventions.
CFN-S Module 4

Toxicity and Detoxification
This module focuses on the body's natural detoxification pathways—liver, gastrointestinal system, and kidneys—and their role in removing environmental toxins. You'll learn how heavy metals, mycotoxins, and chemicals impact health, plus effective strategies for reducing exposure and supporting detoxification.
CFN-S Module 5

Brain and Nervous System Conditions
This module covers nervous system organization, cellular function, and central nervous system communication. You'll learn how neurodegenerative diseases and cognitive decline affect the brain, plus evidence-based strategies to support optimal brain health.
CFN-S Module 6

Hormones and the Endocrine System
This module covers endocrine function with particular focus on female hormonal health, including estrogen, progesterone, and cortisol. You'll learn how hormonal imbalances manifest and evidence-based approaches to support hormone regulation and address related conditions.
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