I found the program to be extremely comprehensive and appreciated how every lesson connected science to practical client care.
Lisa M.
Online functional nutrition certification
Become a Certified Functional Nutritionist
Align your career with your true purpose in the highly sought-after field of functional nutrition. Study online, build practical skills, and prepare to support lasting wellness through a root-cause approach.
Functional nutrition
Benefits of Becoming an FNA Board Certified Functional Nutritionist
Upscale Your Practice
Our program is completely online and designed to suit your schedule. In 6 months or less, you can be following your life's work as a Functional Nutritionist in your own time, from anywhere in the world.
If you are looking for an in-depth online functional nutrition program that explores gut healing, therapeutic diets, functional nutrition, lifestyle, and the mind-body connection, you are in the right place.
Knowledge, Tools, Skills
Mastering Functional Nutrition equips you with practical knowledge, client tools, marketing strategies, confidence, and skills to build a successful career in holistic wellness coaching.
Find Out More
Discover the Power of Functional Nutritionist Training
Our accredited online training blends modern science, root-cause healing, therapeutic diets, functional labs, and lifestyle coaching. Whether you are launching a holistic wellness practice or deepening your skill set, you will gain tools to make meaningful change.
About FNABecome Knowledgeable In
- A whole-body systems approach to healing
- Therapeutic elimination diets and personalized food plans
- The art and science of dietary supplements
- Functional labs and interpretation for gut, hormones, neurotransmitters, nutrigenomics, and cognitive health
- Mind-body practices including meditation, yoga, breathing techniques, and vagus nerve toning
- Lifestyle coaching that supports mindset and lasting behavior change
Who Should Take Functional Nutritionist Training?
Even if you are not a licensed health professional and have no formal nutrition training, your passion for helping people can be the start of a rewarding new path.
- Professionals determined to find holistic solutions for complex client concerns
- Nutrition professionals ready to advance their careers
- People seeking natural healing solutions for themselves and their families
- Anyone who wants more energy, focus, drive, and productivity
A Nutrition Toolbox to Identify and Resolve Core Imbalances
- Support gut concerns including IBS, Crohn's, ulcerative colitis, SIBO, GERD, celiac disease, leaky gut, and candida
- Reduce toxic burden and support resilience to environmental stressors
- Support optimal adrenal and thyroid function with natural solutions
- Promote hormone balance through nutrition and lifestyle strategies
- Increase energy and support healthy mitochondrial function
Help Clients Resolve Chronic Health Problems
Our Students Come From Around the World and Include
- Physicians and nurses
- Nutritionists and dietitians
- Health and wellness coaches
- Fitness and yoga professionals
- Therapists and holistic practitioners
- Career changers passionate about wellness
30+
Years in practice
Your instructor
Dr. Teresa Rispoli, DCN, CFMP, BCHN
Founder, Functional Nutritionist Academy
DCN
Doctorate in Clinical Nutrition
BCHN
Board Certified Holistic Nutritionist
CFMP
Certified Functional Medicine Practitioner
30+ Years
Clinical Practice Experience
Dr. Teresa Rispoli holds a Doctorate in Clinical Nutrition (DCN) and is a Board Certified Holistic Nutritionist (BCHN) and Certified Functional Medicine Practitioner (CFMP). With over three decades of clinical practice, she has helped thousands of clients resolve chronic health conditions through a root-cause, food-first approach.
She founded Functional Nutritionist Academy to make advanced, evidence-based functional nutrition education accessible to practitioners, coaches, and career changers worldwide. Her curriculum bridges the gap between functional science and real-world client care — giving graduates the tools to build thriving, purpose-driven practices.
Explore the CurriculumRequest Our Course Catalogue
See what is included in the Mastering Functional Nutrition program, explore the curriculum, and learn how the certification can fit your goals and schedule.
Download Course CatalogueOur Free Gift to You
Get the FNA Functional Career Starter Kit and begin planning your next chapter.
- A clear overview of functional nutrition career paths
- Practical tools for evaluating training programs
- Marketing ideas for building a wellness practice
- Confidence-building steps to move from interest to action
Reviews
What Our Graduates Have to Say
All the lessons were easy to grasp because of the visuals Dr. Rispoli used in her teaching methods. I highly recommend her courses.
Leslie T.
Mastering Functional Nutrition integrates functional medicine, laboratory testing, nutrition, coaching, and how to put it all into practice.
Jerry L.
Having the MFN Toolbox was a game changer. The step-by-step approach and done-for-you protocols helped me begin my journey with confidence.
Max R.
I felt stuck in my last job but loved helping people. This course helped me create a career doing work that matters to me.
Amy H.
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Common questions
Frequently Asked Questions
- How do I become a certified functional nutritionist?
- Complete an accredited online program such as Mastering Functional Nutrition from Functional Nutritionist Academy. The self-paced course covers gut health, therapeutic diets, functional labs, supplements, and lifestyle coaching. Most students finish in 6 months or less and earn the FNA Board Certified Functional Nutritionist credential upon completion.
- What is functional nutrition?
- Functional nutrition is a root-cause approach to health that uses food, lifestyle, and targeted supplementation to identify and address the underlying imbalances driving chronic symptoms. It integrates systems biology, therapeutic diets, functional lab testing, and mind-body practices to support lasting wellness rather than managing symptoms alone.
- Can I get a functional nutrition certification online?
- Yes. Functional Nutritionist Academy offers a fully online, self-paced certification program. Students from around the world complete the Mastering Functional Nutrition course from home, on their own schedule, with no in-person attendance required.
- How long does it take to complete the FNA certification?
- The Mastering Functional Nutrition program is self-paced and designed to be completed in 6 months or less, making it accessible for working professionals, healthcare providers, and career changers who need flexibility.
- Do I need a healthcare background to enroll?
- No prior healthcare or nutrition training is required. The program welcomes physicians, nurses, nutritionists, health coaches, fitness professionals, therapists, and career changers who are passionate about helping people achieve lasting wellness through a root-cause approach.
- What career paths are available after certification?
- Graduates work as independent functional nutrition consultants, integrate functional nutrition into existing healthcare or coaching practices, build online wellness businesses, or use the credential to deepen their expertise in areas such as gut health, hormone balance, and chronic disease prevention.
Welcome to Functional Nutritionist Academy
Explore our online certification training and discover how you can build a purpose-driven career in functional nutrition.