Can an RN or LPN Practice Functional Medicine? Understanding Functional Nursing and Scope of Practice

Do nurses need to become NPs to practice functional medicine? Explore the RN and LPN role in wellness coaching, functional testing, lab education, and collaborative care.
Sep 23 / Melissa Schreibfeder, BSN, RN, BC-FMP

Can an RN or LPN Be a Functional Medicine Nurse?

One of the most frequent questions I get asked—and one of the biggest myths surrounding functional medicine nursing—is whether you must be a nurse practitioner to become a functional medicine nurse.

The answer an emphatic no.

While it is true that a nurse practitioner has a broader scope of practice, depending on state law and practice authority, a nurse practitioner may be able to operate a medical practice within the specialty of functional medicine where they diagnose, manage, and treat medical conditions.

However, RNs and LPN/LVNs can absolutely incorporate functional medicine modalities within their state scope of practice and operate independent wellness businesses.

The big differentiating factor is that a nurse practitioner may be able to operate a medical practice, whereas an RN or LPN/LVN can operate a wellness practice where they are not independently diagnosing, managing, or treating medical conditions. Instead, their role is primarily centered on education, coaching, consulting, health promotion, and collaboration.

In fact, the vast majority of what functional nurses do falls under one of the most universally accepted components of nursing practice: education.

What Does Functional Nursing Look Like for an RN or LPN/LVN?

For example, an RN or LPN/LVN may facilitate laboratory testing through an authorized medical provider and partnering laboratory. The authorized provider orders the test, while the nurse uses the information not to independently diagnose or treat a medical condition, but to educate the client about potential areas of dysfunction within the body.

This can provide clients with broader access to functional medicine testing and laboratory testing that may not typically be included during a traditional primary care visit.

The nurse can use that information to educate the client about potential areas of dysfunction and collaborate with the client's healthcare provider. Rather than making direct medical treatment recommendations, the nurse may provide education and recommendations for the client to discuss with their treating medical provider.

An RN or LPN/LVN may also partner with a client's primary care provider and advocate for certain aspects of care. For example, a nurse may identify information the client could discuss with their treating provider regarding thyroid hormone management or whether certain medications could potentially be titrated down or discontinued under the direction of the prescribing provider.

The nurse can also provide education about nutraceuticals that may be helpful and recommend that the client discuss those options with their medical provider.

Most importantly, we are taking many of the things we originally learned in nursing school and applying them within a functional medicine model. This may include developing wellness plans, coaching clients through lifestyle and nutritional changes, incorporating SMART goals, providing health education, and helping clients implement sustainable changes.

Does "Functional Medicine" Mean Practicing Medicine?

One area of confusion I frequently see is the belief that the term functional medicine inherently means that someone is engaging in the legal practice of medicine.

Functional medicine is generally understood as an individualized, systems-based approach that seeks to identify and address factors contributing to dysfunction and disease while considering areas such as nutrition, lifestyle, environment, genetics, and physiology.

The legal practice of medicine, however, is defined by state law and generally involves activities such as diagnosing medical conditions and prescribing or providing medical treatment.

These are important distinctions.

Under the broader umbrella of functional medicine, there are treating medical providers such as MDs, DOs, nurse practitioners, and physician assistants. However, there are also many other professionals working within the functional medicine space, including registered dietitians, nurses, health coaches, and other wellness professionals who do not independently diagnose or treat medical conditions.

The term functional medicine describes an approach or specialty. It does not automatically mean that every professional using functional medicine principles is practicing medicine.

Being Crystal Clear About Your Credentials and Scope

When it comes to nursing, one thing I always tell my students is to be exceedingly clear about their credentials and scope of practice.

That means being crystal clear on marketing materials, during discovery calls, and when initiating an official contract with a client about exactly what your licensure is, where your board certification credentials come from, and what your scope of practice includes.

I am always emphatically clear with clients that I am not a replacement for their primary care provider and that my services are educational. Anything I recommend that could affect their medical care should be discussed with their treating medical provider.

In fact, one of my policies is to obtain a release of information from my clients so that, if a critical laboratory result comes back, I can collaborate with their healthcare provider.

Another distinction I make very clear is that I am a registered nurse and a board-certified functional medicine practitioner. I am not a nurse practitioner.

My board certification credentials add an additional layer of education and professional credibility, but they do not expand my legal nursing scope of practice.

That distinction is extremely important.

How Can RNs and LPNs Provide Nutrition Education?

You may be wondering: How can nurses advise clients about nutrition?

Again, the distinction is in the role the nurse is performing.

For example, a nurse practitioner may tell a patient, "I am prescribing a ketogenic diet as an adjunct therapy for your seizure disorder."

An RN or LPN/LVN may instead explain that there is evidence regarding the use of a ketogenic diet in individuals with seizure disorders, provide education and resources about that evidence, and recommend that the client discuss whether that approach is appropriate with their treating medical provider.

The nurse is functioning as an educator rather than independently prescribing a dietary treatment for a medical condition.

What About Nutraceutical Recommendations?

The same general distinction applies to nutraceuticals.

A nurse practitioner may be able to recommend an herbal therapy specifically for the treatment or management of a medical condition within their authorized scope of practice.

An RN or LPN/LVN can provide education about a nutraceutical, including information and resources regarding its potential benefits, and recommend that the client discuss its use with their treating medical provider.

The key is staying within the nursing role as an educator rather than independently diagnosing a condition and prescribing a nutraceutical to treat it.

What Is the Difference Between an RN and an LPN/LVN?

Another question I frequently receive is whether LPN/LVNs can practice functional nursing.

In traditional medical settings, LPN/LVNs tend to operate within a more directed scope of practice. Depending on the state, for example, an LPN/LVN may not be permitted to independently perform certain comprehensive nursing assessments and may need to work under the direction or supervision required by that state's Nurse Practice Act.

However, functional nursing is often heavily centered on health promotion, education, lifestyle support, and wellness coaching. That is very different from performing a comprehensive clinical assessment involving areas such as tracheostomy care, wound care, or other clinical services.

In many states, LPN/LVNs can independently perform certain activities involving education and health promotion. However, because nursing scope of practice varies from state to state, I always recommend that nurses ensure the specific services they plan to offer align with their state's Nurse Practice Act.

If you have questions, contact your state Board of Nursing or consult with a healthcare attorney who is well versed in nursing scope of practice to ensure that your services comply with applicable state laws and regulations.

Nurses Are Already Building Successful Functional Wellness Practices

Across the country, RNs and LPN/LVNs are practicing functional nursing and operating successful wellness businesses.

Functional Nurse Academy has now trained more than 700 nurses. Many of our graduates have landed incredible positions within well-established functional medicine practices, where they may work directly alongside functional medicine physicians and other providers.

However, the majority of our students seek to open their own independent wellness businesses.

Functional Nurse Academy currently has the largest public directory of functional nurses in the nation.

While we have nurse practitioners who train with us and go on to operate medical practices, we also have many nurses who decide that the nurse practitioner route simply is not right for them.

Many nurses have witnessed the overmedication of patients and do not want their primary role to involve prescribing medication. They would rather work in the wellness space, focus on education and lifestyle change, and collaborate with their clients' primary care providers rather than take on the increased liability of operating a medical practice and the additional time and expense associated with nurse practitioner school.

For many nurses, opening a wellness business provides another route.

Nurses already have extensive clinical experience working directly with patients. We have spent countless hours educating patients, assessing their needs, helping them implement care plans, communicating with providers, advocating for patients, and helping people navigate the healthcare system.

Functional nursing, in many ways, takes those nursing skills and moves them into an outpatient wellness model.

Why Nurses Are Needed in Functional Medicine

Unfortunately, the functional medicine space is becoming increasingly saturated with individuals who may not always have the clinical background or skill set necessary to properly support complex clients.

Nurses are an excellent solution to this problem.

We also know that lifestyle and nutrition play significant roles in many of the chronic diseases affecting our country. Nurses are exceptionally well positioned to educate, coach, and support individuals in making meaningful changes in these areas.

Dr. Peter McCullough, MD, MPH, has also highlighted the important role nurses can play in preventive care. In an article featuring Functional Nurse Academy, McCullough noted that limited physician capacity and insurance constraints have left millions of Americans underserved, “making nurses the logical vanguard of genuine preventive care.” He also praised the independent nursing leadership being advanced through Functional Nurse Academy and its potential to help restore patient trust.

That is exactly where I believe functional nurses can make an enormous impact.

We do not need every nurse interested in functional medicine to become a nurse practitioner.

We need nurses practicing at the highest level of the scope they already have.

We need nurses educating.

We need nurses coaching.

We need nurses advocating.

We need nurses collaborating with medical providers.

And we need nurses helping individuals understand how nutrition, lifestyle, environment, and other modifiable factors can influence their health.

An RN or LPN/LVN does not need to become a nurse practitioner to make an impact in functional medicine. They need to understand their scope of practice, clearly communicate that scope to their clients, practice with integrity, and use the education and clinical experience they already possess to help people pursue better health.

References

McCullough, P. A. (2026, April 4). Functional Nurse Academy: New professional designation fills critical void in making America healthy again. FOCAL POINTS (Courageous Discourse).
https://www.thefocalpoints.com/p/functional-nurse-academy

National Council of State Boards of Nursing. (n.d.). Find Your Nurse Practice Act. NCSBN.
https://www.ncsbn.org/npa

National Council of State Boards of Nursing. (n.d.). Nurse Practice Act Toolkit. NCSBN.
https://www.ncsbn.org/policy-gov/npa-toolkit.page

We are Dual Accredited, Peer Reviewed and Endorsed

American Holistic Nurses Association Endorsed and Peer Reviewed

Institute for Functional Medicine Interprofessional Partner

Approved Provider of Continuing Nursing Education.  Approved for 90 Nursing CEs

Accredited for multiple board certification titles through AANWP, AANWC & AHNCC

Frequently Asked Questions About Becoming a Functional Nurse

What is a functional nurse?

A functional nurse is a licensed nurse who applies the principles of functional medicine to educate and empower clients by helping them identify and address potential root causes of health concerns. Functional nurses focus on nutrition, lifestyle, sleep, stress management, environmental influences, and other evidence-informed approaches while practicing within their nursing scope of practice.

What is the difference between a functional practice owned by a NP and RN or LPN?

Nurse practitioners may operate a medical practice where permitted by state law. Depending on their state's regulations, NPs may diagnose medical conditions, order and interpret laboratory testing, prescribe medications, and provide medical treatment.

RNs and LPNs can own and operate independent wellness-focused functional nursing practices. Rather than diagnosing or treating medical conditions, they educate and empower clients through personalized wellness plans, nutrition and lifestyle education, health coaching, specialty laboratory education and on going support.

How Do Non-Advanced Practice Functional Nurses Utilize Laboratory Testing?

RNs and LPNs can access both conventional and specialty laboratory testing through partnerships with functional medicine laboratories. These partnerships allow nurses to order testing through a physician network at affordable wholesale pricing, while practicing within their professional scope.

While nurse practitioners (NPs) may have the authority to diagnose medical conditions and independently order laboratory testing depending on their state laws, non-advanced practice nurses use laboratory data to educate clients about potential patterns of dysfunction. Laboratory findings can also help guide personalized wellness recommendations and support collaboration with the client's healthcare team to optimize health outcomes.

Please note: Certain states, including New Jersey (NJ) and Rhode Island (RI), have restrictions on laboratory ordering through some functional medicine laboratory networks.

Does Functional Nurse Academy provide continuing education for nurses?

Functional Nurse Academy is an approved provider of continuing nursing education. Graduates receive 90 nursing contact hours, approved for LPNs, RNs, and NPs.

The program combines comprehensive functional medicine education with practical application, case studies, and business mentorship, giving nurses the knowledge, tools, and confidence to launch and grow their own functional wellness businesses.

Can I become board certified after completing Functional Nurse Academy?

Yes! Functional Nurse Academy graduates are eligible for the following practitioner level board certifications through American Association of Natural Wellness Practitioners (AANWP)

  • Functional Medicine Nurse Specialist | BC-FMNS
  • Functional Medicine Practitioner | BC-FMP
  • Functional Wellness Professional | BC-FWP
  • Christian Wellness Practitioner | BC-CWP (for students completing our optional Christian content)

Below are the coaching credentials that our graduates qualify for through the American Association of Natural Wellness Coaches (AANWC)

  • Functional Nurse Health Coach | BC-FNHC
  • Functional Health Coach | BC-FHC

This program has been peer-reviewed and is endorsed by The American Holistic Nurses Association

CEs earned from the Functional Nurse Academy meet CE eligibility requirements for the following American Holistic Nurses Association board certification titles:

  • HN-BC® (Holistic Nurse Board Certified)
  • HNB-BC® (Holistic Nurse Baccalaureate Board Certified)
  • AHN-BC® (Advanced Holistic Nurse Board Certified)
  • APHN-BC® (Advanced Practice Holistic Nurse Board Certified)
  • NC-BC® (Nurse Coach Board Certified)

What is included in enrollment?

Functional Nurse Academy is the leading and most comprehensive functional nursing program on the market for LPN, RN and NP. Enrollment includes the following:

  1. 90 Nursing Contact Hours of functional nursing education
  2. Multiple Board Certification Pathways in functional medicine and holistic nursing
  3. Functional Nurse Toolkit with business resources and practice-building tools
  4. Social Media & Marketing Kit with 9 months of content, brochures, and business card templates
  5. 40+ Advanced Trainings covering functional medicine and business strategy (available in FNA monthly mentorship library)
  6. Six Months of FNA’s Monthly Mentorship Program FREE, including live educational trainings and 60 minutes of live Q&A each month, all hosted by FNA Founder Melissa Schreibfeder, BSN, RN, BC-FMP, plus case studies and full access to the mentorship library.
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Ready to take the next step?

I’m so happy you’re interested in functional nursing! I’d love to connect with you at my next live informational + Q&A webinar, where you’ll learn all about functional nursing, how nurses across the country are launching their own functional wellness businesses, and how you can get started.

You’ll also have the opportunity to meet me live and get all of your questions answered!

Just click below to save your seat! I hope to see you there!

-Melissa Schreibfeder, BSN, RN, BC-FMP Founder & CEO, Functional Nurse Academy

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