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Writer's pictureGwen Krehbiel CNHP

Unlock the Secrets of Your Health: Functional vs Clinical Range on Labs

Have you ever had obvious health symptoms but your lab tests come back normal?

photo of someone's lab test results and a test tube of blood

When it comes to interpreting lab results, a natural health professional approaches numbers in a way that often contrasts with the traditional Western medical perspective.


While both methods aim to understand the state of a patient’s health, a natural health professional typically has a broader approach.


Rather than focusing solely on identifying disease, they often look at optimal ranges, underlying patterns, and overall wellness goals.


Here’s a look at how the interpretations differ and why a second opinion can offer valuable insights.


Functional vs. Clinical Ranges on Labs


One of the primary differences lies in what is known as the functional range versus the clinical range. Traditional doctors rely on clinical ranges to determine if a patient’s lab results are “normal” or if they indicate a medical issue. This range is usually derived from averages within the general population, meaning that only when someone’s results fall significantly outside of this range are they flagged as a problem.


A natural health professional, however, often uses functional ranges, which aim to identify the optimal state for health and wellness rather than just the absence of disease.

For example, while a traditional doctor might see a glucose level of 99 mg/dL as “normal,” a natural health professional might interpret it as a sign that blood sugar is creeping towards a state that could lead to insulin resistance or prediabetes. This insight allows them to address blood sugar management earlier, potentially preventing the onset of chronic conditions like Type 2 diabetes.


Graph showing normal vs. optimal ranges for lab tests.

Looking at Patterns Over Isolated Numbers


Traditional medicine often assesses each lab result as an individual marker, usually examining only those that are far out of range. However, a natural health professional looks for patterns across a broader spectrum of test results to get a fuller picture.

Here are some examples:


  • Liver Enzymes: In conventional settings, only if liver enzymes such as ALT or AST are significantly elevated would a traditional doctor investigate liver disease. But a natural health professional might see mild elevations in these enzymes as an early sign of liver stress, even if they’re within clinical range. This allows for preventive measures—like dietary changes and gentle detoxification—before any substantial liver damage occurs.

  • Thyroid Markers: While traditional doctors often only look at TSH (thyroid-stimulating hormone) to assess thyroid health, a natural health professional may consider T3 and T4 levels as well as thyroid antibodies. Subtle patterns in these markers might point to early thyroid imbalances, which could explain symptoms like fatigue, weight gain, and mood swings that could otherwise be dismissed if TSH alone is within the clinical range.

  • Inflammation Markers: C-reactive protein (CRP) is often overlooked unless levels are very high, signaling acute inflammation. In functional health, even mildly elevated CRP levels may indicate underlying chronic inflammation. This early detection helps to tackle inflammation sources before they escalate into issues like cardiovascular disease or autoimmune conditions.


Considering a Client’s Overall Lifestyle and History


A natural health professional also views lab results within the context of the client’s lifestyle, health history, and even specific health goals. For instance:


  • Hormone Balance: If a woman reports chronic fatigue, mood swings, and weight gain, a traditional doctor might test for estrogen or progesterone levels only if symptoms suggest an extreme hormonal imbalance. By contrast, a natural health professional is likely to test multiple hormones, such as cortisol and DHEA, looking at how stress and lifestyle factors influence hormone health.

  • Immune System Health: Rather than just examining white blood cell count in isolation, a natural health professional may look at IgA levels, for example, to determine if chronic stress or food sensitivities might be impacting the immune system. This insight could guide them to recommend nutritional support, stress management techniques, or digestive healing strategies to support a balanced immune response.


Emphasis on Optimal Wellness, Not Just Disease Treatment

Someone looking at test tubes of blood.

Natural health professionals emphasize wellness as a continuum. By viewing lab numbers through this lens, they can identify potential imbalances long before they become diagnosable diseases. For instance:


  • Blood Sugar Management: While a traditional doctor may only act if fasting glucose or A1C levels reach prediabetic or diabetic thresholds, a natural health professional may begin discussing dietary changes, exercise, and stress management if levels are moderately high. This early intervention approach can empower clients to avoid chronic conditions.

  • Iron Saturation: Rather than only treating low iron once symptoms of anemia appear, a natural health professional might see slightly elevated iron levels as a sign of oxidative stress, which could be affecting organ function. Their recommendations may include antioxidants, hydration, or gentle detox strategies to prevent long-term health implications.


Why a Second Opinion on Lab Work Can Be Beneficial


If you’ve been struggling with lingering symptoms or feel that your lab results aren’t providing the answers you’re looking for, getting a second opinion from a natural health professional can be invaluable. By using a holistic and proactive approach, they can help you understand how your lab markers relate to your overall health and well-being.


For a Limited Time Only, We’re Offering a Free Second Opinion! 🎁


Gwen Krehbiel sitting in a chair

Send in your previous lab work, and we’ll take a close look to identify patterns, imbalances, and opportunities for optimal wellness. Here’s how it works:


  1. Book Your Appointment: Choose in-person or online.

  2. Submit Your Labs: Upload them to your client portal at least two days before our consultation.

  3. Consultation: During our 30-minute session, we’ll go over your lab results, discuss functional ranges, and explore what they reveal about your health.

  4. Personalized Report: You’ll receive a detailed report with recommendations tailored to your needs.


Start your journey to better health today with a second opinion—let’s unlock the insights in your lab work together! 🌱





Medical disclaimer: This information is not intended or implied to be a substitute for professional medical advice, diagnosis or treatment. Never disregard professional medical advice or delay seeking medical treatment. Medical conditions require medical care.

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Nov 12
Rated 5 out of 5 stars.

I've always been told my labs were ‘normal,’ but I still felt off. Gwen’s unique approach showed me that my numbers weren’t as optimal as I thought. She explained the functional ranges and helped me make changes I didn’t know I needed. I’m already feeling more balanced and energized!

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