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Tag: functional health coaching

  • Why “Best Supplements” Searches Fail: Functional Lab Testing Works

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    Are you tired of Googling “best supplements for thyroid” or “top supplements for gut health” only to find conflicting advice that leaves your clients with mediocre results? You’re not alone. The supplement industry has created a prescription drug mentality that’s keeping even well-intentioned practitioners stuck in a symptom-chasing cycle that rarely delivers the transformative outcomes clients desperately need.

    If you’ve ever wondered why your supplement protocols work sometimes but fail other times, or why your clients seem to plateau despite following “evidence-based” recommendations, this article will revolutionize how you think about supplementation. We’ll explore why the traditional approach falls short and introduce you to the “Test, Don’t Guess” methodology that’s helping over 5,000 Functional Diagnostic Nutrition (FDN) practitioners worldwide achieve consistent, life-changing results for their clients.

    The Fatal Flaw in Modern Supplement Protocols

    Most health practitioners, even in the functional medicine space, are still thinking like conventional doctors when it comes to supplements. They’ve simply replaced prescription drugs with “natural” alternatives, but the underlying philosophy remains the same: find a pill for the ill.

    This approach treats supplements as “nature times 100” – more concentrated than food but less potent than pharmaceuticals. While this seems logical, it creates a fundamental problem: you’re still treating symptoms instead of addressing the root cause imbalances that create those symptoms in the first place.

    When a client searches “best magnesium for sleep” or you recommend “adaptogenic herbs for adrenal fatigue,” you’re operating from the same symptom-focused mindset that keeps clients dependent on interventions rather than restoring their body’s natural ability to function optimally.

    Why Clients Demand the “Magic Bullet” Approach

    Your clients come to you expecting quick fixes because that’s what our healthcare system has trained them to expect. They don’t want to hear about lifestyle modifications, stress management, or comprehensive testing. They want you to tell them exactly which supplement will eliminate their brain fog, balance their hormones, or fix their digestion.

    As practitioners, we often accommodate this expectation because we want to provide value and see our clients improve quickly. But this well-intentioned approach actually undermines long-term healing and creates the exact same dependency cycle that functional medicine was supposed to solve.

    how to stop guessing with supplement protocols for clients

    The FDN Revolution: Three Phases That Change Everything

    Functional Diagnostic Nutrition has developed a different approach that honors both the client’s need for immediate relief and the practitioner’s commitment to lasting transformation. Instead of guessing which supplements might help, FDN practitioners use comprehensive lab testing to identify exactly where function has been lost, then support the body’s natural healing intelligence.

    Phase 1: Relief Care (Intelligent Allopathy)

    FDN practitioners do provide symptom relief, but we call it “intelligent allopathy” because it’s strategic, temporary, and always paired with deeper corrective work.

    Relief care ensures clients can sleep, have regular bowel movements, and manage pain while the real healing work begins. This isn’t where we stop; it’s where we start. This phase builds trust and buys time for the more comprehensive protocol work ahead.

    Examples of Relief Care:

    • Sleep support for the insomniac who hasn’t slept through the night in months
    • Digestive enzymes for the client with severe bloating after every meal
    • Anti-inflammatory support for someone in chronic pain

    Phase 2: Corrective Care (The Real Work)

    This is where FDN practitioners excel and where most other approaches fail. Instead of continuing symptom management indefinitely, we use comprehensive lab data to identify and correct the underlying imbalances creating symptoms.

    The corrective phase addresses all five pillars of the DRESS protocol:

    • Diet: Personalized nutrition based on individual metabolic needs and lab findings
    • Rest: Optimizing sleep and recovery based on cortisol patterns and stress load
    • Exercise: Right-sizing movement based on adrenal function and energy reserves
    • Stress Reduction: Addressing physical, mental-emotional, and environmental stressors
    • Supplementation: Targeted nutrients to restore function in under-performing systems

    The key difference: Instead of supplementing for symptoms, we supplement to restore measured imbalances in foundational body systems. If someone’s detoxification pathways are overwhelmed, we support those systems. If their immune system is overactive, we work to modulate that response. If their sex hormones are depleted because cortisol has been stealing their building blocks, we address the stress response first.

    Phase 3: Maintenance Care (Substitution Strategy)

    Once lab values normalize and symptoms resolve, clients transition to maintenance protocols that account for the realities of modern life. This isn’t about maintaining dependency on supplements, but recognizing that our current environment has some unavoidable gaps.

    Modern soil depletion means food doesn’t contain the nutrient density it did 100 years ago. Environmental toxin exposure requires ongoing detoxification support that wasn’t necessary historically. Maintenance protocols substitute for these environmental deficiencies while allowing clients to reduce their overall supplement burden significantly.

    how to stop guessing with supplement protocols for clients (2)

    Why Individual Lab Testing Changes Everything

    Two clients come to you with identical symptoms: fatigue, weight gain, brain fog, and irritability. Traditional approaches would recommend similar supplement protocols, maybe some B vitamins, adaptogens, and omega-3s.

    But what if Client A’s labs show depleted sex hormones, optimal cortisol, and excellent detoxification capacity, while Client B shows normal sex hormones, dysregulated cortisol patterns, and severely impaired liver function?

    Client A might benefit from targeted hormone support and stress reduction techniques, while Client B needs adrenal support and detoxification protocols. The same symptoms, completely different root causes, requiring entirely different interventions.

    This is why FDN practitioners run comprehensive foundational lab panels on every client, regardless of their presenting symptoms or health conditions. We test:

    • Cortisol and DHEA patterns to assess stress response and recovery capacity
    • Sex hormone production and metabolism to understand reproductive system function
    • Digestive markers to evaluate nutrient absorption and gut barrier integrity
    • Detoxification pathways to assess toxic load and elimination capacity
    • Immune system function to identify over- or under-activity
    DRESS protocol for functional health practitioners explained

    Real-World Case Example: When Partial Testing Fails

    Consider Sarah, a 42-year-old client with severe irritability that’s affecting her marriage and work relationships. A hormone-focused practitioner might run a DUTCH test, see low progesterone and estrogen, and recommend bioidentical hormone replacement.

    This approach might provide some improvement, but it misses crucial pieces of Sarah’s health puzzle:

    What comprehensive testing revealed:

    • Severely impaired detoxification pathways causing toxic buildup in tissues
    • Overactive immune system creating systemic inflammation
    • Gut dysbiosis preventing proper nutrient absorption
    • Chronic infections creating additional immune burden

    Sarah’s irritability wasn’t just a hormone issue. It was the result of multiple system imbalances that hormone replacement alone couldn’t address. By supporting her detoxification capacity, modulating her immune response, and healing her gut, her hormones began to balance naturally, and her irritability resolved completely.

    This is the power of comprehensive testing and systems-based supplementation.

    The Bio-Individuality Factor Most Practitioners Miss

    Even when practitioners move beyond symptom-based supplementing, they often miss the crucial element of bio-individuality. Not every client tolerates magnesium glycinate the same way. Not every person with “adrenal fatigue” responds well to the same adaptogenic herbs.

    FDN practitioners introduce supplements one at a time, monitoring client responses carefully, and adjusting dosing, timing, or formulations based on individual tolerance and results. We never assume that what works for one client will work for another, even with identical lab findings.

    This attention to individual response prevents the common scenario where clients suffer through supplement side effects because they think they’re supposed to “push through” negative reactions, a mindset that unfortunately carries over from conventional medicine’s approach to medication side effects.

    root cause analysis using functional diagnostic testing

    Moving Beyond the Supplement-Centric Mindset

    The biggest mindset shift for practitioners transitioning to this approach is understanding that the body’s healing intelligence is far superior to any practitioner’s clinical knowledge. Our job isn’t to force specific outcomes through targeted supplementation, but to remove obstacles and provide resources so the body can restore balance naturally.

    When we supplement based on measured imbalances rather than symptoms or conditions, we’re essentially giving the body more “money” to spend on healing priorities. The body then allocates these resources exactly where they’re needed most, which is often different from where we think they should go.

    This requires practitioners to trust the process and resist the urge to micromanage every symptom with a specific supplement.

    The Questions That Transform Your Practice

    Instead of asking “What’s the best supplement for sleep?” or “What’s the best protocol for Hashimoto’s?”, FDN practitioners ask:

    • What do this client’s labs reveal about their individual pattern of metabolic chaos?
    • Which foundational systems are under-functioning and need support?
    • Which systems are over-functioning and need modulation?
    • How can I restore balance to this unique individual’s physiology?
    • What obstacles are preventing this person’s body from healing itself?

    This shift from condition-focused to individual-focused supplementation is what allows FDN practitioners to achieve consistent results across diverse client populations and health challenges.

    Why FDN Practitioners Don’t Treat Conditions

    In the FDN methodology, we don’t treat anything specifically. We would never go to the model of “this person has Hashimoto’s, so I’m going to figure out what the best supplements for Hashimoto’s are” because this person’s Hashimoto’s might be caused by an immune system imbalance, thyroid resource depletion, or any number of other root cause factors.

    Instead of trying to guess why this person has Hashimoto’s, we look at the labs, see where function has been lost, and recommend supplementation accordingly. By addressing these underlying stressors, we give the body the resources it needs to restore balance, and often the Hashimoto’s symptoms naturally resolve as normal function returns.

    functional lab interpretation training for health coaches

    Building Confidence Through Data, Not Guesswork

    Many practitioners lack confidence in their supplement recommendations because they’re essentially guessing based on symptoms and hoping for the best. When you have comprehensive lab data showing exactly where imbalances exist, supplement selection becomes straightforward and logical.

    You’re no longer wondering why some clients improve while others don’t. You’re not second-guessing your protocols or constantly changing approaches based on the latest research or trends. You have objective data guiding your decisions, which creates confidence in both you and your clients.

    The Business Impact of Getting Supplementation Right

    Practitioners using this approach report several business benefits:

    • Higher client retention because results are more predictable and sustainable
    • More referrals because clients experience genuine transformation rather than symptom management
    • Premium pricing justified by comprehensive testing and individualized protocols
    • Professional confidence that comes from using data rather than guesswork
    • Reduced liability from evidence-based rather than experimental approaches

    When clients achieve lasting results, they become your biggest advocates, creating the kind of referral-based practice that provides true professional and financial freedom.

    The One Change That Would Transform Every Practice

    If there’s one thing that could transform every practitioner’s supplement approach overnight, it would be this: stop asking “What’s the best supplement for X condition?” and start asking “What’s the best supplement for this individual client?”

    The questions practitioners should be asking are:

    • What is this client’s unique health history?
    • What challenges do they face in their daily life?
    • What do their comprehensive lab results reveal?
    • What obstacles do they need to overcome?
    • What is their specific pattern of metabolic chaos?

    This shift from condition-based to individual-based supplementation is the foundation of successful functional health practice.

    bio-individual supplement protocols based on lab results

    Your Next Steps: From Symptom-Chasing to Root-Cause Resolution

    If you’re ready to move beyond the “best supplements for X condition” mindset and start delivering the kind of transformative results your clients are paying for, start with these steps:

    1. Stop supplementing for symptoms and start investigating underlying causes
    2. Implement comprehensive lab testing to identify individual patterns of dysfunction
    3. Learn proper lab interpretation to understand what the data is really telling you
    4. Develop systems-based protocols that address root causes rather than isolated symptoms
    5. Monitor and adjust based on individual client responses rather than generic protocols

    Transform Your Practice with Functional Lab Training

    Client Success Story Testimonial

    The supplement approach we’ve outlined in this article is just one component of comprehensive functional health training. FDN practitioners learn to interpret 70+ different functional lab tests, create personalized protocols using the DRESS framework, and build thriving practices based on consistent client results through our Medical Director Program (MDP), which provides lab access even for unlicensed practitioners.

    If you’re ready to stop guessing and start getting reliable results for every client, regardless of their health challenges, our next free training workshop will show you exactly how successful practitioners are using functional lab testing to transform their practices and their clients’ lives.

    The days of symptom-chasing and hoping your protocols work are over. It’s time to embrace the “Test, Don’t Guess” methodology that’s revolutionizing functional health practice worldwide.

    Ready to learn the functional lab interpretation skills that will transform your practice? Join our free workshop to discover how to identify the root causes behind your clients’ symptoms and create personalized protocols that deliver consistent, lasting results. Register for your free spot and start building the confidence and expertise that sets true health professionals apart.

    Want to connect with other practitioners making this transition? Join our community of over 5,000 functional health professionals worldwide who are committed to data-driven, client-centered care that actually works.

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    Elizabeth Gaines

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  • Why Functional Lab Testing Beats Generic Supplement Protocols

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    How functional lab testing reveals why condition-based supplement protocols fail—and what actually works

    The Facebook Group Question That Reveals Everything Wrong with Supplement Protocols

    You’ve seen it dozens of times. A practitioner posts in a Facebook group: “What are the best supplements for Hashimoto’s?” or “Client has constipation…what should I recommend?”

    Within hours, the comments exploded with conflicting advice. One person swears by selenium and iodine. Another warns against iodine completely. Someone else recommends a thyroid glandular. The original poster gets more confused than when they started.

    Here’s what’s really happening: Everyone’s treating supplements like prescription drugs. And that’s the problem.

    In conventional medicine, you diagnose a condition and prescribe a drug to manage symptoms. The drug is “nature times a thousand”—highly concentrated to overpower the symptom. When practitioners move to functional health, they naturally reach for supplements as the closest equivalent: “nature times a hundred.”

    But we’re still asking the wrong question.

    Instead of “What supplement for Hashimoto’s?” we should ask: “What do this person’s labs show about where function has been lost?”

    That simple shift changes everything.

    Why the “Pill for the ill” Mindset Doesn’t Work in Functional Health

    Let’s be honest about what’s happening when clients come to see you. They’re frustrated with conventional medicine, but they still want the quick fix. It’s way easier to ask for a supplement for thyroid symptoms than to examine stress levels, sleep patterns, or that nightly glass of wine.

    Think about it from their perspective:

    • “I have thyroid symptoms. What supplement fixes that?”
    • “I’m constipated. What pill makes me poop?”
    • “I can’t sleep. What herb knocks me out?”

    They don’t want to spend months unpacking where they’re carrying stress (and we’re all carrying too much stress). They don’t want to hear about sitting too long, drinking too much coffee, or examining whether they actually like their job.

    And as practitioners, we respond to this because we want to help. We want to provide value and see our clients improve. When they expect progress to look like symptom relief, we start thinking like symptom relievers.

    The problem? This turns us into supplement-prescribing machines instead of a source of dysfunction detectives.

    How FDN Approaches Supplementation Differently

    Here’s where Functional Diagnostic Nutrition® takes a completely different approach. We absolutely care about symptoms—people need to be sleeping, pooping, and out of pain. But symptoms are just our starting point, not our end goal.

    02 Three Phase Care Infographic

    Phase 1: Relief Care (Yes, We Do “Intelligent Allopathy”)

    We call this first phase “intelligent allopathy,” and it’s exactly what it sounds like—the supplement for the symptom. But here’s the key difference: this is where we START, not where we STOP.

    If someone can’t sleep, they need sleep support now. If they’re backed up for days, they need elimination help immediately. If they’re in chronic pain, we need to address that first.

    Why? Because you can’t do the deep corrective work if someone is suffering. Relief care buys trust and gets people functional enough to engage in real healing.

    Phase 2: Corrective Care (The Real Work)

    Once basic function is restored, we move into corrective care. This is where we address the root cause imbalances that the labs revealed.

    This phase uses our DRESS protocol:

    Diet: Getting rid of the soda, fast food, processed junk, and chemicals. Coming back to organic whole foods that work for your specific metabolism.

    Rest: Not just sleeping at night, but taking breaks during the day. Getting unfiltered sunlight in your eyes. Feeling sun on your skin. Reconnecting to natural cycles.

    Exercise: Finding the sweet spot where movement puts money in the bank instead of taking it out. Not under-exercising, not over-exercising.

    Stress Reduction: This is where all the juice is. Physical stressors like sitting too long, too much coffee, old injuries that won’t heal. Mental-emotional stuff like job satisfaction, relationship quality, financial stress. Environmental factors like what you’re putting on your body, what you’re storing food in, air and water quality.

    Supplementation: Here’s where we use supplements to stimulate systems we’ve measured to be under-functioning and support systems that are over-functioning.

    If your sex hormones are completely underfunded but your immune system is in overdrive, that’s corrective phase work. We’re bringing in targeted supplementation to help balance things out.

    Phase 3: Maintenance (The Long Game)

    After the corrective phase achieves the health goals, we transition to maintenance. This might mean backing off on diet restrictions, reducing intensive supplementation, maybe adding back some foods that were problematic before.

    But here’s the reality: our environment has some permanent holes that even perfect health can’t overcome. Our soils don’t have the nutrients they used to have. We’re dealing with chemical exposures our grandparents never faced.

    So maintenance supplementation is about substitution—replacing what the environment no longer provides and supporting systems that are constantly under assault.

    The Bio-Individuality Problem with Generic Protocols

    why generic supplement protocols don't work

    Here’s what everyone misses when they ask “What’s the best supplement for Hashimoto’s?”

    Not all Hashimoto’s is the same.

    One person’s Hashimoto’s might be driven by an immune system imbalance. Another person’s thyroid stepped back because it doesn’t have enough resources to run all the body systems at 100%.

    If you just supplement based on the diagnosis, you’re going to miss this completely.

    And here’s the other thing: everyone’s body is different. Their cells communicate differently. Their bodies like certain things and hate others. If you supplement according to their condition or symptoms, you miss this bio-individuality entirely.

    I’ve seen clients have terrible reactions to supplements that were “perfect for their condition.” Or they feel worse and think they should just push through because that’s what the internet said would happen.

    We introduce supplements one at a time. We want feedback: “This supplement makes me feel great” or “This one gives me headaches.” Then we can adjust—different dose, different timing, take a break, try something else entirely.

    The Lab-First Approach: What We Actually Measure

    In FDN, we don’t run labs based on symptoms. We run the same foundational labs on everyone because we want to see across the board where systems are struggling.

    Cortisol: Are we making enough? Too much? At the right times of day?

    DHEA: This counterbalances cortisol. Cortisol breaks us down for quick energy; DHEA builds us back up when we’re resting. If DHEA isn’t present in large enough quantities, we’re catabolic by definition.

    Sex hormones: Are they all low—totally exhausted bank accounts? Low in some places but high in others? Are the pathways kinked like a garden hose?

    Immune system: Is it overperforming or underperforming? Both create problems, just different ones.

    Digestion: Even if you’re eating the best food in the world, can you actually use it?

    Detoxification: If you’re not detoxing properly, you’re storing toxins instead of releasing them. And detoxing isn’t something you “do”—it’s something your body does naturally when it has enough resources and a clear exit strategy.

    Real Example: Why Single Lab Panels Miss the Big Picture

    Let me give you a perfect example of why running just one type of lab leads to incomplete solutions.

    Say I’m a “hormone girl” (which I am—I love looking at hormone tests). A client comes in reporting irritability. I run hormones, see that sex hormones are low, and think, “Ah, makes sense. Low hormones can make you irritable. Let’s get some bioidenticals in there.”

    But what if I’m completely missing that:

    • Detox is impaired, so toxins are being stored in fat, brain, and bone, spilling into the bloodstream (definitely makes you irritable)
    • The immune system is overperforming, everyone’s on a hair trigger, promoting inflammation
    • There are underlying gut infections disrupting digestion, so she can’t actually use the protein she’s eating to make neurotransmitters
    • All the hormone pathways are twisted up and blocked

    I could supplement based on just the hormone test and see some results. But it would be a fraction of what’s possible if I measured all the foundational systems and supplemented accordingly.

    The Body Knows Better Than We Do

    best way to create individualized supplement protocols

    Here’s something fundamental that FDN practitioners understand: the body has its own agenda, and that agenda matters more than ours.

    I might have ideas about what the client needs. The client definitely has ideas about what they need. But the body knows more than both of us about where to spend newly available resources.

    Think of body systems like bank accounts. Some are overdrawn and in debt. Others are wildly overspending by stealing from other accounts. Others are just underfunded.

    Our job is to put money back in the right bank accounts in the right amounts. Then we get out of the way and let the body spend that money where it knows it needs to go.

    When we direct through supplementation—”I’m going to supplement for Hashimoto’s” or “I’m going to supplement for this symptom”—we’re taking away the body’s agency in how it spends those resources.

    The body knows way better than we do. That’s our commitment as practitioners.

    What Practitioners Should Stop Doing Tomorrow

    If I could wave a magic wand, I’d eliminate this question: “What’s the best supplement for [condition/symptom]?”

    I see it constantly in Facebook groups:

    • “Best supplement for dry skin?”
    • “What should I give for eczema?”
    • “Client can’t sleep, what works?”

    This is just the prescription drug mindset applied to natural medicine. It’s still symptom suppression instead of root cause resolution.

    The Question That Changes Everything

    what labs should health coaches run on clients

    Instead of “What’s the best supplement for constipation?” ask:

    “What’s the best supplement for this specific client who has this health history, these daily challenges, these lab results, this presentation of metabolic dysfunction, and these particular obstacles to healing?”

    That’s the question that acknowledges the complexity of human health and the necessity of individualized protocols.

    This client who can’t poop—do they have low stomach acid? Dysbiosis? Dehydration? Magnesium deficiency? Stress-induced gut shutdown? Medication side effects? All of the above?

    You can’t know without measuring. And you can’t create an effective protocol without that information.

    Why This Matters for Your Practice

    When you base recommendations on objective lab data instead of symptom guessing, several things happen:

    You feel confident explaining to clients why they need specific support and can adjust protocols based on measurable changes.

    Clients trust the process because they see the science behind your recommendations, even when healing takes time.

    You get better results because you’re addressing root causes instead of chasing symptoms.

    You can charge appropriately for advanced diagnostic services that other practitioners can’t provide.

    You build a referral-based practice because clients experience real transformation and tell everyone about it.

    Getting Started with Lab-Based Protocols

    how to stop guessing with supplement recommendations

    The shift from symptom-based to lab-based supplementation requires proper training. You need to understand how to:

    • Access functional labs without medical licensing
    • Interpret complex lab panels accurately
    • Design safe and effective individualized protocols
    • Monitor progress objectively
    • Adjust recommendations based on client responses

    But the payoff is enormous. Instead of being another practitioner asking “What supplement for X?” you become the practitioner who always knows what to do next because you have the data to guide your decisions.

    Your clients deserve more than generic supplement recommendations based on their diagnosis. They deserve protocols designed specifically for their unique biochemical needs.

    And you deserve the confidence that comes from knowing your recommendations are based on solid data, not internet searches and Facebook group guesswork.

    The practitioners who master lab-based protocols today will be the ones leading the industry tomorrow. The question is: are you ready to stop guessing and start testing?

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    Elizabeth Gaines

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  • NBHWC vs FDN: Health Coaching Certification Comparison – Functional Diagnostic Nutrition

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    In this comprehensive interview, we spoke with Reed Davis, founder of Functional Diagnostic Nutrition® (FDN) and an experienced health professional who brings a unique perspective to the health coaching landscape. Having personally obtained NBHWC certification and developed the FDN training program, Davis breaks down the fundamental differences between these two pathways and helps aspiring health professionals understand which route might best align with their career goals.

    Understanding NBHWC Certification: The Medical Model Approach

    What Does NBHWC Stand For and Why Does It Exist?

    The National Board for Health and Wellness Coaching (NBHWC) was established to create standards for health coaching within the healthcare system. According to Davis, “That organization, which I think is great, was founded around providing some standards for health coaching, primarily focused on medical assistance, helping provide physicians with some lifestyle coaching for their patients.”

    The NBHWC certification exists primarily to integrate health coaches into traditional medical settings, where they can support physicians by helping patients with lifestyle modifications and treatment compliance.

    Core Competencies of NBHWC-Certified Coaches

    NBHWC-certified health and wellness coaches develop exceptional interpersonal and motivational skills. Davis, who went through an NBHWC-accredited program himself, notes: “The communication skills were excellent – active listening, figuring out why a person wants to get better, motivational approaches and techniques.”

    Key skills include:

    • Active listening and relationship building
    • Motivational interviewing techniques
    • Behavior change coaching
    • Goal setting and accountability
    • Patient compliance support

    However, there’s a significant limitation to this approach: “There was zero science other than maybe the science of personal motivation and psychology,” Davis explains. “No assessment skills on the health matter itself, only on the mental emotional matters.”

    health coaching career paths

    The Scope and Limitations of NBHWC Practice

    NBHWC coaches operate within strict boundaries defined by the medical model. They work “on behalf of a doctor and their diagnosis” and cannot provide independent health assessments. Their role is primarily to help patients comply with medical treatment plans rather than investigate underlying health issues.

    Davis points out a concerning trend: “The only study being done on health coaching by the National Institutes of Health is looking at how much a health coach contributes to medication compliance.” This highlights how the NBHWC model positions coaches as extensions of medical treatment rather than independent health investigators.

    FDN Practitioner: The Investigative Approach to Functional Health

    functional medicine practitioner holistic health coach training

    What Is Functional Diagnostic Nutrition®?

    Functional Diagnostic Nutrition represents a fundamentally different approach to health coaching. “FDN training is designed to give the practitioner all of the skills and knowledge required to investigate the underlying causes of people’s health problems versus just management of disease or treatment of symptoms only,” Davis explains.

    The FDN methodology emerged from Davis’s 10 years of clinical experience running thousands of functional lab tests on thousands of people, developing a systematic approach to uncovering root causes of health dysfunction.

    The Science-Based Foundation

    Unlike NBHWC programs, the FDN program is “totally based in science – anatomy, physiology, and biochemistry.” Students learn to:

    • Interpret functional lab tests including saliva, urine, blood, and stool analysis
    • Understand metabolic processes and how they affect health
    • Identify multiple causal factors contributing to health issues
    • Correlate lab findings with individual client presentations
    • Design personalized protocols based on scientific data

    The D.R.E.S.S. Protocol: Individualized Health Solutions

    FDN practitioners use the D.R.E.S.S. framework to create personalized health protocols:

    • Diet – Customized nutrition based on metabolic typing and lab results
    • Rest – Individualized sleep and recovery strategies
    • Exercise – Tailored physical activity recommendations
    • Stress reduction – Comprehensive stress management addressing mental, emotional, physical, and chemical stressors
    • Supplementation – Targeted nutritional support based on identified deficiencies and imbalances

    “When you investigate and identify the causal factors, you’re not going to get the same results if you’re just going to throw supplements at a problem,” Davis emphasizes. “That’s why the lab work is so important – to individualize your protocols.”

    Key Differences in Training Focus and Approach

    functional diagnostic nutrition certification health and wellness coach training

    Primary Goals: Compliance vs. Investigation

    The fundamental difference lies in each program’s primary objective:

    NBHWC Goal: Create standards that fit within the medical model, helping patients comply with doctor’s orders and treatment plans.

    FDN Goal: Train practitioners to investigate underlying causes of health dysfunction and empower clients to address root causes through lifestyle modifications.

    Science vs. Behavior Change Emphasis

    NBHWC Programs: Heavy emphasis on behavior change techniques with minimal scientific health education. “Very little to none” science content, according to Davis.

    FDN Program: Extensive scientific education in anatomy, physiology, and biochemistry, with behavior change skills integrated into protocol implementation and client support.

    Tools and Methodologies

    NBHWC coaches rely primarily on:

    • Motivational interviewing
    • Goal-setting frameworks
    • Accountability systems
    • Compliance tracking

    FDN practitioners utilize:

    • Functional lab testing
    • Metabolic typing assessments
    • Scientific data interpretation
    • Personalized protocol development
    • Identifying causes of dysfunction 

    Quick Comparison: NBHWC vs. FDN at a Glance

    Aspect NBHWC Certification FDN Practitioner
    Primary Focus Behavior change & compliance Upstream causal factor investigation
    Client Relationship Client as expert, coach as guide Practitioner as expert consultant
    Scientific Training Minimal Extensive (anatomy, physiology, biochemistry)
    Lab Testing Not permitted Core competency
    Work Setting Medical offices, hospitals, independent practice Independent practice, integrative clinics, functional health practices
    Client Protocols Follow doctor’s orders Design personalized protocols
    Training Duration Varies (typically 6-12 months) 6-10 months
    Career Path Employee in healthcare system, entrepreneur Entrepreneur/independent practitioner, employee integrative medicine
    Income Potential Salary-based, $25-50 hourly rate as employee or contractor Unlimited entrepreneurial potential, freelancer, independent contractor, salary based role

    Practitioner-Client Relationship: Guide vs. Expert Consultant

    integrative health certification functional health assessment

    The NBHWC Philosophy: Client as Expert

    One of the fundamental philosophical differences between NBHWC and FDN approaches lies in the practitioner-client relationship dynamic. According to NBHWC principles, the client is considered the expert in their own life and health journey. NBHWC-certified coaches operate from the belief that clients possess the inherent wisdom and knowledge about what’s best for them.

    In this model, health and wellness coaches serve as guides and facilitators who:

    • Help clients discover their own solutions
    • Use questioning techniques to draw out client insights
    • Support clients in finding their own motivation and commitment
    • Avoid providing direct advice or recommendations
    • Focus on the client’s self-discovered goals and action plans

    This approach emphasizes client autonomy and self-directed change, with the coach acting as a supportive partner rather than an authoritative expert. The NBHWC coach’s role is to create a safe space for exploration and help clients tap into their own internal resources for healing and change.

    The FDN Approach: Practitioner as Expert Consultant

    In contrast, FDN practitioners position themselves as expert consultants whom clients specifically seek out for their specialized knowledge and expertise. Clients come to FDN practitioners precisely because they want professional insights, data-driven assessments, and expert recommendations they cannot access on their own.

    FDN practitioners operate as knowledge experts who:

    • Provide specific recommendations based on lab findings
    • Interpret complex scientific data that clients cannot understand themselves
    • Design personalized protocols using specialized knowledge
    • Offer expert guidance on which interventions to implement
    • Take responsibility for the investigative and assessment process

    “Clients seek us for our expertise to provide not only guidance but recommendations as well,” explains the FDN methodology. This approach recognizes that while clients are experts in their own experience and symptoms, they often lack the technical knowledge needed to understand the underlying biochemical and physiological factors contributing to their health challenges.

    When Each Approach Works Best

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    The NBHWC Guide Model is most effective when:

    • Clients have straightforward lifestyle goals
    • The primary challenge is motivation and behavior change
    • Clients are working within established medical treatment plans
    • Simple habit formation and accountability are needed
    • Clients prefer to maintain full control over their health decisions

    The FDN Expert Consultant Model excels when:

    • Clients have complex, chronic health issues
    • Multiple practitioners have been unable to provide answers
    • Scientific investigation and lab work are necessary
    • Clients specifically want expert recommendations and protocols
    • Data-driven solutions are preferred over trial-and-error approaches

    The Impact on Client Outcomes

    This philosophical difference significantly impacts the type of results each approach can achieve:

    NBHWC outcomes typically focus on:

    • Improved adherence to existing treatment plans
    • Better lifestyle habits and behaviors
    • Enhanced motivation and goal achievement
    • Increased self-awareness and personal responsibility

    FDN outcomes typically include:

    • Resolution of underlying health dysfunctions
    • Elimination of chronic symptoms
    • Personalized protocols that address root causes
    • Scientific understanding of individual health patterns

    Choosing Based on Your Natural Approach

    Consider your natural inclination when working with people who have health challenges:

    Do you prefer to: Guide people to find their own answers, or provide expert recommendations based on scientific assessment?

    Are you more comfortable: Facilitating client self-discovery, or taking responsibility for investigating and solving complex health puzzles?

    Do you believe: Clients always know what’s best for them, or that specialized expertise is often necessary to uncover hidden health factors?

    Your answers to these questions can help determine which approach aligns better with your personality, strengths, and professional vision.

    These fundamental differences in training naturally lead to distinctly different approaches to the practitioner-client relationship itself.

    Scope of Practice: What Each Can and Cannot Do

    Lab Testing and Assessment Authority

    Beyond these philosophical differences, one of the most significant practical differences is in diagnostic capabilities:

    NBHWC coaches cannot order or interpret lab tests independently. They work within the confines of medical diagnoses and treatment plans provided by licensed physicians.

    FDN practitioners can legally order and interpret functional lab tests. “Absolutely, we do it,” Davis confirms. “Anyone can run tests with the intention of finding out what’s really wrong for a person. That data is yours – whether you’re a health coach or the client.”

    In 2008, Davis created one of the first direct-to-consumer lab testing programs, specifically enabling non-licensed practitioners to access functional testing for their clients.

    Protocol Development and Implementation

    NBHWC coaches implement protocols designed by medical professionals, focusing on adherence to prescribed treatments.

    FDN practitioners design comprehensive, individualized protocols based on lab findings and scientific assessment, taking full responsibility for the investigative and recommendation process.

    Ideal Client Profiles for Each Approach

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    NBHWC Coaching Clients

    NBHWC coaches work best with clients who:

    • Are already working with medical professionals
    • Need support with lifestyle habit changes
    • Require accountability for medical treatment compliance
    • Benefit from motivational coaching within established treatment parameters

    “Anyone that needs help with diet and exercise and habits – getting rid of poor habits and adopting new habits,” Davis notes. However, he cautions that this approach may miss underlying dysfunctions: “If you’re really dysfunctional, there’s a lot of causal factors that might be ignored.”

    FDN Practitioner Clients

    FDN practitioners excel with clients who:

    • Have complex, multi-system health issues
    • Have been through multiple practitioners without resolution
    • Want to understand the root causes of their symptoms
    • Are motivated to make significant lifestyle changes
    • Prefer data-driven approaches to health improvement

    “The ideal FDN customer is someone who’s willing to change some things, who’s got a health problem – something about the way they look or feel – and is willing to change it and really wants to change it,” Davis explains. “Especially when nothing else has worked for you.”

    Career Opportunities and Professional Pathways

    NBHWC Career Trajectories

    NBHWC-certified coaches typically find employment in:

    • Medical offices and clinics
    • Hospital wellness programs
    • Corporate wellness initiatives
    • Insurance-based health coaching programs
    • Telehealth platforms supporting medical care

    These positions often involve working as part of a medical team, with structured protocols and oversight from licensed healthcare providers.

    FDN Practitioner Career Paths

    FDN practitioners have broader professional options:

    Independent Practice: Many FDN graduates build successful solo practices, offering comprehensive functional health assessments and personalized protocols.

    Collaborative Settings: Work alongside chiropractors, naturopaths, and other alternative practitioners in integrative clinics.

    Corporate Opportunities: Progressive companies seeking advanced wellness programs hire FDN practitioners for their scientific expertise.

    International Practice: The ability to work remotely with functional lab testing enables global practice opportunities.

    Teaching and Mentoring: Experienced practitioners often expand into education and mentoring roles within the FDN community.

    Income and Lifestyle Considerations

    Davis emphasizes the financial and lifestyle benefits of FDN practice: “You got your freedom to work your own schedule, geographical freedom anywhere there’s an internet connection, emotional freedom from rewarding work, and financial freedom to afford a personal trainer and organic food and live where you like to live.”

    The entrepreneurial nature of FDN practice allows practitioners to:

    • Set their own pricing structures
    • Choose their client base
    • Work from anywhere with internet access
    • Scale their practice according to personal goals
    • Maintain work-life balance through flexible scheduling

    Combining Both Certifications: Is It Worth It?

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    The Strategic Advantage

    Davis strongly recommends that NBHWC coaches consider adding FDN training: “If you’re an NBHWC, you should take the FDN program because now you’ll be cooking with gas. Not only will you have all the coaching skills and motivational skills and commitment skills and communication skills of an NBHWC, you’ll also have the ability to run the labs, find out what’s really wrong with the person.”

    This combination provides:

    • Enhanced coaching skills from NBHWC training
    • Scientific assessment capabilities from FDN education
    • Broader career opportunities in both medical and independent settings
    • Increased client success rates through comprehensive approaches

    The Reverse Combination

    For those considering FDN first, Davis suggests the additional NBHWC certification may be unnecessary: “If you’re FDN, you probably don’t need the NBHWC course. There’s lots of ways to develop those coaching skills.”

    FDN training includes practical coaching elements focused on protocol implementation and client support, which may be sufficient for many practitioners.

    Decision-Making Framework: Choosing Your Path

    Critical Questions to Ask Yourself

    Davis poses the fundamental question every aspiring health professional should consider: “Do you want to be coaching your customers based on doctor’s orders, or based on the labs and investigation that you’ve done with a very high degree of accuracy and skill and knowledge?”

    Additional considerations include:

    Scientific Interest: “Am I willing to learn the anatomy, physiology, and biochemistry so that I truly understand what a person’s problems are?”

    Practice Model Preference: Do you prefer working within established medical systems or developing independent protocols?

    Client Population: Are you drawn to supporting medical compliance or investigating complex health mysteries?

    Career Goals: Do you prioritize job security within medical systems or entrepreneurial freedom?

    Learning Style: Do you prefer behavior-focused training or science-heavy education?

    Making the Right Choice

    The decision ultimately depends on your professional vision and personal strengths. Davis summarizes: “If you don’t want to learn anatomy, physiology, and biochemistry and you just want to help that patient follow doctor’s orders, then go the other way.”

    For those drawn to investigation, problem-solving, and scientific assessment, FDN offers a pathway to become what Davis calls “that investigator” who can “find out what’s really wrong” and “teach them how to fix it.”

    The Future of Functional Health Practice

    Industry Evolution

    Davis sees FDN as representing the future evolution of healthcare: “The final evolution is actually FDN – we’re what medicine is evolving into, to the benefit of the public.” This perspective positions FDN practitioners at the forefront of a healthcare transformation toward root-cause medicine and personalized protocols.

    Meeting Growing Demand

    As more people seek alternatives to symptom-focused medical care, the demand for practitioners who can identify underlying causes and provide personalized solutions continues to grow. FDN practitioners are uniquely positioned to meet this demand with their combination of scientific training and practical coaching skills.

    Frequently Asked Questions

    Can I practice functional health coaching without a medical license?

    Yes, FDN practitioners can legally order and interpret functional lab tests without a medical license through direct-to-consumer lab programs specifically designed for non-licensed practitioners.

    Which certification is better for working in hospitals?

    NBHWC certification is generally preferred in traditional medical settings like hospitals, where coaches work under physician supervision to support treatment compliance.

    How long does each program take to complete?

    Both programs typically take 6-12 months to complete, though specific requirements and timelines may vary by institution.

    Can I work internationally with these certifications?

    FDN practitioners often have more flexibility for international practice due to their ability to work remotely with functional lab testing. NBHWC coaches may face more restrictions depending on local healthcare regulations.

    What’s the income difference between the two paths?

    NBHWC coaches typically work in salaried positions within healthcare systems, while FDN practitioners have unlimited income potential as entrepreneurs setting their own rates and building independent practices.

    Key Takeaways: Making Your Decision

    The choice between NBHWC certification and FDN training represents a fundamental decision about practice philosophy and career trajectory. Consider these final points:

    Choose NBHWC if you:

    • Prefer working within established medical systems
    • Excel at motivational coaching and behavior change
    • Want the security of traditional employment
    • Are comfortable working under physician oversight

    Choose FDN if you:

    • Are drawn to scientific investigation and identifying where the body has lost function
    • Want entrepreneurial freedom and unlimited income potential; or
    • Want to work in a functional medicine practice
    • Prefer designing personalized protocols based on data
    • Seek to work with complex, chronic health conditions

    Consider both if you:

    • Want maximum career flexibility
    • Enjoy both coaching and scientific analysis
    • Plan to work in diverse healthcare settings
    • Seek to maximize your impact on client outcomes

    Your Next Steps

    Ready to advance your health coaching career? Here’s how to move forward:

    1. Assess your interests: Take time to honestly evaluate whether you’re more drawn to behavior coaching or scientific investigation
    2. Research programs: Compare specific NBHWC-approved programs and FDN training options
    3. Connect with practitioners: Speak with professionals in both fields to understand day-to-day realities
    4. Consider your goals: Align your choice with your long-term career and lifestyle objectives

    As Davis concludes: “We invite anyone who’s interested in helping others and really wants to be able to get to the underlying causes and work at that level… they’ve got a place to go and a community to join and live the life that you want to live, walk your talk and be happy helping people.”

    The choice is ultimately yours – but understanding these fundamental differences ensures you can make an informed decision that aligns with your vision for your health coaching career.

    Ready to explore functional health training? 

    Learn more about FDN programs and discover how functional lab testing can transform your practice and your clients’ results. Learn how we use functional labs to identify healing opportunities. 

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    Elizabeth Gaines

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