Thyroid Health Strategies in a Functional Medicine Approach

Learn about the functional medicine approach to thyroid health and its role in supporting your body’s needs.

Abstract

Hello, I’m Dr. Alex Jimenez. Welcome to our educational post where we delve into the intricate world of thyroid health. For many individuals, symptoms like persistent fatigue, weight gain, brain fog, and feeling cold are quickly attributed to a thyroid problem, often leading to a prescription for medications like Synthroid or levothyroxine. However, this approach may not address the root cause of the dysfunction. In this comprehensive guide, we will explore the complex journey of thyroid hormones, moving beyond the thyroid gland itself to understand its profound connection with the liver, gut, and adrenal system. I’ll share the latest findings from leading researchers through the lens of evidence-based functional medicine. We will uncover the four primary physiological mechanisms that account for over 90% of thyroid-related issues—none of which originate within the thyroid gland itself. These mechanisms involve systemic inflammation, liver congestion, gut dysbiosis, and chronic stress responses.

I will use a real-world case study to illustrate how these systems can go awry and how a functional medicine approach can restore balance without lifelong medication. We will also discuss the vital role of our integrated clinical model at Injury Medical Clinic. Here, my work in chiropractic and functional medicine is complemented by the medical oversight of Dr. Maria Guadalupe Cardenas, MD, our experienced Medical Director. This collaborative, multidisciplinary setup allows us to offer a holistic and comprehensive treatment path that integrates chiropractic adjustments, functional nutrition, rehabilitation, and medical management to address the underlying causes of chronic health conditions, including thyroid dysfunction. Join me on this educational journey to empower yourself with knowledge and discover a path toward true metabolic healing.

Our Integrated Approach to Patient Care in El Paso, Texas

Before we dive into the complexities of thyroid physiology, I believe it’s essential to provide some context about our unique clinical environment here at Injury Medical Clinic PA in El Paso, Texas. Our practice is built on a foundation of integrative and multidisciplinary care. I am Dr. Alex Jimenez, and I hold several qualifications, including Doctor of Chiropractic (DC), Advanced Practice Registered Nurse (APRN), and certifications as a Family Nurse Practitioner (FNP-BC) and Functional Medicine Certified Practitioner (IFMCP). This diverse training allows me to view patient health through multiple lenses, from the biomechanical and neurological aspects of chiropractic to the systemic, evidence-based approach of functional medicine.

However, our clinic’s strength lies in collaboration. I have the distinct privilege of working alongside Dr. Maria Guadalupe Cardenas, MD. Dr. Cardenas is a board-certified internist with an impressive career spanning over 40 years. Her extensive experience provides invaluable medical expertise and oversight to our practice. She serves as our Medical Director and Collaborative Physician, a structure common in progressive integrative care settings. This partnership ensures that our patients receive a truly comprehensive evaluation and treatment plan.

This model allows us to integrate various disciplines under one roof seamlessly:

• Medical Oversight (Dr. Cardenas): Cardenas provides essential medical direction, reviews complex cases, and ensures that our treatment protocols meet the highest standards of medical care. Her role is crucial in co-managing patients, especially those with comorbidities or who require conventional medical interventions alongside our functional and chiropractic therapies.
• Chiropractic and Functional Medicine (Dr. Jimenez): My role involves identifying and addressing the root causes of dysfunction. Through chiropractic care, we focus on optimizing nervous system function and spinal health, which profoundly affects the body’s overall regulatory processes. Through functional medicine, we use advanced diagnostic testing and personalized lifestyle interventions—nutrition, supplementation, and stress management—to restore physiological balance.
• Rehabilitation and Personal Injury Care: Our team also includes specialists in rehabilitation and physical therapy, focusing on restoring function, strength, and mobility, particularly for patients recovering from injuries.

This synergistic model means that when a patient like Jennifer (our case study for today) comes to us, she isn’t just seeing a chiropractor or a medical doctor in isolation. She is benefiting from a team that communicates and strategizes together. We can address the structural misalignments contributing to her stress response with chiropractic adjustments, use functional medicine to heal her gut and liver, and have the medical oversight of Dr. Cardenas to guide her journey, especially when tapering off medications safely. This powerful combination allows us to unravel complex cases and guide our patients back to vibrant health.

A Patient’s Cry for Help: Jennifer’s Story

Let me start with a story that is all too common in my thirty years of practice. It’s the story of Jennifer, a 41-year-old woman who reached out to me in complete desperation. She sent me a video message, and through her tears, she painted a picture of a life that had been stolen from her. For seven long years, Jennifer had been doing everything her doctors told her to do. She had been diagnosed with hypothyroidism and was taking not one, but two different thyroid medications—Synthroid (levothyroxine sodium) and another form of levothyroxine. Yet, instead of feeling better, her health was spiraling downward.

She was gaining weight despite her efforts, her hands and feet were perpetually cold, and a thick brain fog clouded her thoughts, making it hard to focus or feel like herself. A deep, persistent depression had settled over her, and she described her daily existence as “dragging herself through life.” She had consulted five different doctors over those seven years, and each time, the answer was the same: adjust the medication. But the medication wasn’t working. In fact, she felt it was making things worse.

Jennifer’s story powerfully illustrates a fundamental misunderstanding in the conventional treatment of thyroid disorders. Her experience highlights a critical gap in care: focusing on replacing a hormone without asking why the body can’t use it effectively in the first place. This is where functional medicine offers a beacon of hope. It prompts us to look deeper, beyond the thyroid gland itself, and into the intricate web of systems that govern our metabolic health. Her journey inspired me to write this post and share the knowledge that there is often another way—a way to reclaim your health by addressing the root cause.

Thyroid 101: More Than Just a Gland

To understand why Jennifer’s treatment was failing, we need to go back to biology 101 and review how the thyroid system actually works. It’s a common misconception that the thyroid gland runs the whole show. In reality, it’s more like a specialized factory with a very specific job.

The Thyroid Gland: The Manufacturing Plant

Think of the thyroid gland, that small, butterfly-shaped organ in your neck, as a manufacturing plant. Its primary role, under the direction of the brain (specifically the pituitary gland, which releases Thyroid Stimulating Hormone, or TSH), is to produce a storage hormone called thyroxine, or T4. That’s essentially it. It cranks out T4, which is largely inactive. It’s a prohormone, meaning it’s a precursor that needs to be converted into something else to have a powerful effect. The thyroid gland does produce a very small amount of the active hormone, T3, but the vast majority of its output is T4.

The Conversion Engines: Where the Real Magic Happens

So, if the thyroid gland only makes the storage hormone, where does the active, energy-driving hormone come from? This is the crucial part of the story that is so often overlooked. The conversion of inactive T4 into the biologically active triiodothyronine (T3) doesn’t primarily happen in the thyroid. It happens in other tissues throughout the body, which I call the “conversion engines.”

These key conversion sites include:

• The Liver: The powerhouse of thyroid conversion. Approximately 60-80% of T4 is converted into active T3 within the liver cells, known as hepatocytes.
• The Gut: The gastrointestinal tract plays a significant role, contributing about 20% of T3 conversion. The health of your gut microbiome is paramount for this process.
• The Kidneys and Muscle Tissue: These organs also convert T4 to T3, ensuring that active hormone is available for cellular energy production system-wide.
• The Brain: Even our brain has its own localized conversion system to ensure it gets the T3 it needs for optimal cognitive function, mood, and neurotransmitter balance.

This process of converting T4 to T3 is called peripheral conversion. If this conversion process is broken or inefficient, you will experience all the classic symptoms of hypothyroidism—fatigue, weight gain, depression, cold intolerance—because your cells are literally being starved of the active hormone they need to function. You are, in essence, running on an empty metabolic tank.

The Problem with Medication-Only Approaches

Now, let’s follow up with Jennifer. Her doctors were giving her more and more T4 medication (Synthroid, levothyroxine). Some physicians might even use Armor Thyroid or other desiccated forms, which contain both T4 and T3. But here’s the problem: if the body’s conversion engines are broken, pouring more raw material (T4) into the system is not only ineffective, but it can also be detrimental.

When the body is under stress, whether from inflammation, nutrient deficiencies, or toxins, it has a protective mechanism. It shunts the conversion of T4 down a different pathway. Instead of making active T3, it starts producing a hormone called Reverse T3 (rT3). Reverse T3 is an isomer of T3, meaning it has the same atoms but a different structural arrangement. This seemingly small difference renders it biologically inactive. More than that, rT3 acts as a competitive inhibitor. It fits perfectly into the T3 receptors on our cells, but it doesn’t activate them. It’s like putting the wrong key into a lock; it gets stuck and prevents the right key (active T3) from getting in and doing its job.

So, for someone like Jennifer, whose peripheral conversion was clearly impaired, taking high doses of T4 medication was providing more substrate for her stressed body to convert into rT3. This not only failed to resolve her symptoms but actively made them worse by increasing the amount of this “metabolic brake” in her system. All her biology was doing was converting those medications into reverse T3, exacerbating her fatigue, weight gain, and brain fog. Her experience is a classic case of what we see when the cause of thyroid dysfunction isn’t in the thyroid gland itself, but in the peripheral tissues responsible for hormone activation.

The Four Hidden Culprits: Unmasking the Root Causes of Thyroid Dysfunction

In my three decades of clinical practice focusing on functional medicine, I have consistently observed that over 90% of thyroid problems can be traced back to four primary physiological mechanisms. The beauty of this framework is that none of them originate in the thyroid gland itself; therefore, none fundamentally require medication as the first or only line of treatment. These mechanisms are detectable through proper testing, explainable through established biochemistry, and addressable through targeted, non-pharmacological interventions. Let’s break them down one by one.

1. Systemic Inflammation: The Biological Saboteur

The first and perhaps most pervasive driver of thyroid dysfunction is systemic inflammation. This isn’t the acute, localized inflammation you feel when you sprain an ankle. This is chronic, low-grade inflammation that simmers throughout the body, disrupting normal physiological processes. The sources of this inflammation are varied and can include:

• Chronic Infections: Latent viral infections, such as Epstein-Barr Virus (EBV), Cytomegalovirus (CMV), or even Lyme disease, can keep the immune system in a constant state of high alert.
• Obesity: Adipose (fat) tissue is not just an inert energy storage depot. It is a highly active endocrine organ that produces and secretes many inflammatory signaling molecules.
• Autoimmunity: Conditions like Hashimoto’s thyroiditis (where the immune system attacks the thyroid gland) are, by nature, inflammatory.
• Gut-Derived Inflammation: As we will discuss further, a compromised gut barrier (“leaky gut”) allows bacterial components to enter the bloodstream, triggering a massive inflammatory response.

How Inflammation Derails Thyroid Conversion

Regardless of the source, chronic inflammation results in the body “dumping” large quantities of inflammatory messengers called cytokines into circulation. Molecules like Tumor Necrosis Factor-alpha (TNF-α), Interleukin-6 (IL-6), and Interleukin-1-beta (IL-1β) are like biological grenades. They are designed to coordinate an immune attack but cause significant collateral damage when they are chronically elevated.

One of their primary targets is the delicate enzymatic machinery responsible for thyroid hormone conversion. Here’s the specific biochemical cascade:

1. Activation of NF-kappa B: Inflammatory cytokines signal through a master inflammatory switch inside our cells called Nuclear Factor-kappa B (NF-κB). When activated, NF-κB translocates into the cell’s nucleus and turns on genes that promote more inflammation—a vicious cycle.
2. Downregulation of Deiodinase Enzymes: Critically, NF-κB activation directly and devastatingly downregulates deiodinase enzymes, the catalysts for thyroid hormone conversion.

• D1 (Deiodinase 1): This enzyme, found predominantly in the liver, kidneys, and thyroid, is responsible for the bulk of peripheral T4 to T3 conversion. Inflammation, via NF-κB, shuts down D1 expression and activity.
• D2 (Deiodinase 2): This enzyme is found in the brain, pituitary gland, and muscle. It is crucial for local T3 supply, especially for regulating the feedback loop to the brain. Inflammation also suppresses D2 activity.

• Upregulation of the “Brake Pedal” Enzyme: While shutting down the “good” enzymes, inflammation simultaneously cranks up the activity of D3 (Deiodinase 3). This enzyme converts T4 into the inactive Reverse T3 (rT3).

So, the net effect of systemic inflammation is a perfect storm for thyroid dysfunction: it actively blocks the conversion of T4 to active T3 while simultaneously shunting T4 toward the production of the inhibitory rT3. This is a survival mechanism; in times of severe illness or injury (which the body perceives as inflammation), it makes sense to slow down metabolism to conserve energy for healing and immune function. However, in the context of chronic, low-grade inflammation, this adaptive response becomes maladaptive, leading to the debilitating symptoms of hypothyroidism despite normal or even high levels of T4.

2. Liver Congestion and Dysfunction: The Clogged Conversion Engine

The liver is the unsung hero of endocrine health, and its role in thyroid metabolism is absolutely central. As I mentioned, up to 80% of T4-to-T3 conversion occurs inside the liver’s cells, the hepatocytes, through the action of the D1 deiodinase enzyme. When the liver is not healthy, this entire process grinds to a halt.

The Impact of a “Fatty” and “Stressed” Liver

One of the most common forms of liver dysfunction in the modern world is Non-Alcoholic Fatty Liver Disease (NAFLD). Often driven by a diet high in processed carbohydrates, sugar, and industrial seed oils, this condition causes hepatocytes to accumulate lipid droplets. This accumulation doesn’t just make the liver “fatty”; it induces a state of cellular stress known as endoplasmic reticulum (ER) stress. The endoplasmic reticulum is the part of the cell responsible for folding proteins into their correct functional shapes. When it’s stressed by lipid overload and inflammation, it can’t do its job properly.

The D1 deiodinase enzyme is a protein that must be correctly folded to function. Under ER stress, D1 deiodinase production and activity plummet. The conversion engine inside the liver effectively shuts down.

Stalled Bile Flow and Hormone Clearance

But the liver’s role doesn’t stop at conversion. It’s also responsible for conjugating thyroid hormones. This detoxification process attaches a molecule (like glucuronic acid or a sulfate group) to used hormones, making them water-soluble so they can be excreted from the body, primarily through bile into the intestines.

This process is also crucial for recycling. Some of the conjugated T3 excreted in bile can be “deconjugated” by healthy gut bacteria and reabsorbed back into circulation, a process known as the enterohepatic loop. This is an elegant system for conserving and recycling valuable hormones.

However, in a congested or “fatty” liver, the quality of bile itself changes. It becomes thick, viscous, and sludgy. This sluggish bile flow, or cholestasis, causes a major traffic jam.

• The Enterohepatic Loop Stalls: Thick bile doesn’t flow easily, so the recycling of thyroid hormones is impaired.
• Hormone Clearance Tanks: More importantly, the clearance of used hormones and their metabolites, including excess rT3, is severely compromised. These waste products can build up in the system, further interfering with healthy hormone signaling.

A congested liver therefore delivers a double blow to the thyroid system: it fails to convert the inactive hormone to the active form. It also fails to clear hormonal waste products, leading to a toxic, low-energy internal environment. Addressing liver health is non-negotiable for restoring thyroid function.

3. Gut Dysbiosis and Leaky Gut: The Gateway for Trouble

The gut’s contribution to thyroid health is often underestimated. While it accounts for a seemingly modest 20% of T4-to-T3 conversion, its influence extends far beyond that, affecting the liver, the immune system, and the body’s overall inflammatory status.

The Microbiome’s Role in Hormone Recycling

As mentioned in the discussion of the liver, conjugated T3 is excreted via bile into the intestinal tract. Here, a healthy, diverse gut microbiome plays a critical enzymatic role. Certain species of beneficial bacteria produce an enzyme called beta-glucuronidase. This enzyme acts like a pair of molecular scissors, snipping off the glucuronic acid molecule that the liver attached to the T3. This “deconjugation” process liberates the T3, allowing it to be reabsorbed from the gut back into the portal circulation, which leads directly to the liver. This recycling pathway ensures that the body retains and reuses its active thyroid hormone efficiently.

Now, consider what happens in dysbiosis, an imbalance in the gut microbiome where pathogenic or opportunistic bacteria overgrow and beneficial species are diminished. The bacteria that produce beta-glucuronidase are gone. As a result, the conjugated T3 that enters the gut is never recycled. It remains bound and is flushed right down the toilet in your stool. This represents a significant, continuous loss of active thyroid hormone, forcing the body to constantly produce and convert more and placing a huge strain on the entire system.

Leaky Gut, LPS, and System-Wide Inflammation

The consequences of an unhealthy gut go even further. Dysbiosis is almost always accompanied by increased intestinal permeability, commonly known as “leaky gut.” The single-cell layer lining our intestines is meant to be a tightly controlled barrier, allowing digested nutrients to pass through while keeping bacteria, undigested food particles, and toxins out. In a leaky gut, the tight junctions between these cells become loose.

This allows highly inflammatory components of bacterial cell walls, specifically lipopolysaccharides (LPS), to leak from the gut into the systemic circulation. LPS, also known as endotoxin, is one of the most potent triggers of inflammation known to our immune system. When immune cells detect LPS in the bloodstream—where it absolutely does not belong—they mount a massive defensive response, cranking up the production of the very same inflammatory cytokines (TNF-α, IL-6) that we discussed earlier.

This creates a direct link between gut health and thyroid conversion in the liver. LPS leaking from the gut travels through the portal vein directly to the liver, where it triggers intense inflammation, annihilating D1 deiodinase activity and shutting down T4-to-T3 conversion at its primary site. This is how a gut problem can directly manifest as thyroid symptoms. Healing the gut by removing inflammatory triggers, restoring microbial balance, and repairing the gut lining is therefore a foundational step in any thyroid recovery protocol.

4. The HPA Axis and Chronic Stress: The Survival Switch

This final mechanism is where I see so many well-intentioned people get it wrong. The body’s stress response system, the Hypothalamic-Pituitary-Adrenal (HPA) axis, is designed for short-term survival. Physiologically, your biology cannot tell the difference between the acute stress of being chased by a predator, the chronic psychological stress of a demanding job or difficult relationship, or the physiological stress of a prolonged caloric deficit and intense exercise. To the HPA axis, they all look identical: a threat to survival.

Cortisol’s Crush on Conversion

In response to any of these stressors, the HPA axis fires up, culminating in the release of the stress hormone cortisol from the adrenal glands. Cortisol is catabolic; its job is to mobilize energy (by breaking down muscle and fat) to fuel a “fight or flight” response. As part of this energy-conservation strategy, it also aims to slow non-essential, long-term metabolic processes.

One of its primary targets is thyroid metabolism. Elevated cortisol directly crushes the activity of the D1 deiodinase enzyme in the liver and other peripheral tissues. Just like inflammation, it powerfully inhibits the conversion of T4 to T3. This makes perfect evolutionary sense. If you are in a famine or running for your life, the last thing your body needs is a roaring-hot metabolism burning through precious energy reserves. It needs to slow down, conserve, and survive.

The “Fix Your Metabolism” Trap

Herein lies the trap. A person feels tired, notices they’ve gained weight, and correctly deduces their metabolism is slow. They decide to “fix” it. What do they do? They start an aggressive diet, perhaps incorporating intermittent fasting, and dramatically drop their calories into a huge caloric deficit. They pair this with high-intensity workouts. They have great commitment, but from a biochemical perspective, the timing is terrible.

Let’s look at what this does to the body, especially the liver:

• Depletion of Glycogen: Hepatic (liver) T4-to-T3 conversion is not passive; it is insulin- and glycogen-dependent. Glycogen is the stored form of glucose in the liver. A low-carbohydrate diet and heavy caloric restriction rapidly deplete hepatic glycogen stores.
• Crashing Insulin and Leptin: This dietary strategy also causes a significant drop in two key metabolic hormones: insulin (low because carb intake is low) and leptin (the “satiety” hormone, which drops in response to caloric restriction and fat loss).

The liver interprets this combination of low glycogen, low insulin, and low leptin as an unequivocal signal of famine. Its prime directive becomes survival. It immediately shuts down D1 deiodinase activity to conserve energy. The person’s attempt to “boost” their metabolism has paradoxically slammed the brakes even harder, worsening thyroid symptoms and making weight loss nearly impossible. This is why we must always address the HPA axis and ensure the body feels “safe” before attempting any metabolic push. Restoring a sense of safety through stress management, adequate nutrition, and nervous system regulation is paramount.

The Role of Integrative Chiropractic Care in Thyroid Health

At this point, you might be wondering, “This is all fascinating biochemistry, but where does chiropractic fit in?” This is an excellent question, and the answer lies in the profound connection between the spine, the nervous system, and the body’s ability to regulate stress and inflammation—two of the key drivers of thyroid dysfunction we’ve just discussed.

As a Doctor of Chiropractic, my primary focus is detecting and correcting vertebral subluxations. A subluxation is a condition where a spinal vertebra has lost its normal position or motion, interfering with the nerve signals that travel between the brain and the body. This neurological interference doesn’t just cause back pain or neck stiffness; it creates a state of background static or stress in the nervous system, a condition known as dysafferentation.

Chiropractic Adjustments and the HPA Axis

The nervous system is the master controller of the HPA axis. The brain perceives threats and initiates the stress response based on the total of information it receives from the body. When there are subluxations, particularly in the upper cervical (neck) and upper thoracic (mid-back) regions, the altered biomechanics and nerve signaling can be interpreted by the brain as a persistent, low-level threat. This can keep the HPA axis chronically activated, leading to elevated cortisol levels.

Research shows that chiropractic adjustments can directly and measurably affect the body’s stress physiology. By restoring proper motion and alignment to the spine, an adjustment reduces the aberrant neurological input (dysafferentation) to the brain. This can help to “down-regulate” the sympathetic “fight or flight” nervous system and promote a shift toward the parasympathetic “rest and digest” state.

Studies have demonstrated that chiropractic care can:

• Lower Cortisol Levels: By calming the HPA axis, adjustments can help to reduce the chronic output of cortisol, thereby removing one of the major inhibitors of the D1 deiodinase enzyme (Amalu, 2004).
• Improve Heart Rate Variability (HRV): HRV is a key marker of autonomic nervous system balance and resilience. Higher HRV indicates a healthier, more adaptable state. Chiropractic adjustments have been shown to improve HRV, reflecting reduced systemic stress.
• Reduce Inflammatory Markers: The nervous and immune systems are intricately linked. By reducing neurological stress, chiropractic care can help modulate the immune response and lower levels of systemic inflammatory cytokines, another primary saboteur of T4-to-T3 conversion.

For a patient like Jennifer, whose body is clearly locked in a state of chronic stress, integrative chiropractic care becomes an essential component of her recovery. It’s a powerful, non-invasive tool to help her body exit the survival mode that is preventing her from healing. It helps turn off the “cortisol crush” and quell the fires of inflammation, creating the physiological space her liver, gut, and other tissues need to begin functioning properly again. This is a perfect example of how our clinic’s collaborative approach—combining Dr. Cardenas’s medical insight with my chiropractic and functional medicine expertise—allows us to address the patient’s health from multiple, synergistic angles.

What is Thyroid Dysfunction?- Video

The Path to Recovery: A Functional Medicine Blueprint

The unifying thread among these four mechanisms—inflammation, liver congestion, gut dysbiosis, and HPA axis dysfunction—is that they are detectable, explainable, and, most importantly, addressable without a single prescription being written. The entire playbook for diagnosing and correcting these issues is well documented in scientific and clinical research.

Advanced Diagnostic Testing: Looking Under the Hood

The first step is always proper testing. A standard thyroid panel (TSH and maybe Total T4) is woefully inadequate. To get a complete picture, we need to look at:

• A Full Thyroid Panel: This includes TSH, Free T4, Free T3, Reverse T3, and thyroid antibodies (TPO and TG) to screen for autoimmunity. The Free T3-to-Reverse T3 ratio is a critical marker of conversion efficiency.
• Inflammatory Markers: We test C-reactive protein (CRP), homocysteine, and ferritin to assess systemic inflammation.
• Liver Function Panel: A comprehensive panel including ALT, AST, GGT, and bilirubin gives us insight into liver health. An ultrasound may be used to confirm fatty liver.
• Comprehensive Stool Analysis: This allows us to assess the gut microbiome, check for pathogens, measure inflammatory markers like calprotectin, and evaluate digestive function and gut barrier integrity.
• Adrenal Stress Profile: A DUTCH (Dried Urine Test for Comprehensive Hormones) test is the gold standard. It measures cortisol and cortisone levels at multiple points throughout the day, providing a map of the HPA axis rhythm, as well as levels of sex hormones and their metabolites.

These labs provide the data we need to pinpoint exactly where the breakdown is occurring. Is it inflammation from a latent virus? Is it LPS from a leaky gut shutting down the liver? Is it a cortisol and rT3 issue from chronic stress and undereating? For Jennifer, her labs (which I will be sharing in my stories on our social platforms) revealed a classic pattern: high reverse T3, low-normal free T3, elevated inflammatory markers, and signs of HPA axis dysregulation.

A Personalized, Multi-Pronged Approach

Armed with this data, we can build a personalized treatment protocol that addresses the root cause(s). This is not a one-size-fits-all approach. It may include:

1. Healing the Gut: Implementing the “5R” Program:

• Remove: Eliminating inflammatory foods (gluten, dairy, sugar), infections, and other gut irritants.
• Replace: Supporting digestion with enzymes and stomach acid if needed.
• Reinoculate: Introducing beneficial bacteria through probiotics and fermented foods.
• Repair: Using targeted nutrients like L-glutamine, zinc, and collagen to heal the gut lining.
• Rebalance: Incorporating stress management techniques, as the gut-brain axis is a two-way street.

• Supporting the Liver:

• Removing the dietary drivers of fatty liver (processed foods, sugar).
• Providing nutrients that support both Phase I and Phase II detoxification pathways, such as B vitamins, selenium, and sulfur-containing compounds (from cruciferous vegetables, garlic, onions).
• Using cholagogues and choleretics—herbs and nutrients that promote bile production and flow, such as milk thistle, dandelion root, and taurine.

• Calming Inflammation:

• Following an anti-inflammatory, nutrient-dense diet.
• Using targeted botanicals and nutrients like curcumin, fish oil (omega-3 fatty acids), and resveratrol.
• Addressing any underlying chronic infections identified in testing.

• Regulating the HPA Axis:

• Chiropractic Adjustments: To calm the nervous system and reduce neurological stress signals.
• Nutritional Repletion: Ensuring the body is not in a caloric or nutrient deficit. This is key. For many, it means eating more of the right foods, not less.
• Adaptogenic Herbs: Using herbs like Ashwagandha, Rhodiola, and Holy Basil to help the body adapt to stress and modulate cortisol.
• Lifestyle Interventions: Prioritizing sleep, incorporating gentle movement, and practicing mindfulness, meditation, or deep breathing exercises.

This comprehensive, systems-based approach is how we guide patients like Jennifer back to health. It’s not a quick fix, but it is a true fix. By restoring function to the body’s core systems, we create an environment where the thyroid can do its job and where thyroid hormones—whether produced by the body or supplemented temporarily—can be used effectively. This is the promise and the power of functional medicine, and it is a journey I am honored to guide my patients on every day. Thank you for joining me.

Creation Date: August 26, 2026

Time to Read: Approximately 25 minutes.

References

• Amalu, W. C. (2004). Cortisol and its effects on the nervous and endocrine systems. Today’s Chiropractic, 33(4), 58–61.
• Farhangi, M. A., Keshavarz, S. A., Eshraghian, M., Ostadrahimi, A., & Saboor-Yaraghi, A. A. (2012). The effect of vitamin A supplementation on thyroid function in premenopausal women. Journal of the American College of Nutrition, 31(4), 268–274. [https://doi.org/10.1080/07315724.2012.10720431](https://doi.org/10.1080/07315724.2012.10720431)
• Gessl, A., Lemmens-Gruber, R., & Kautzky-Willer, A. (2021). Thyroid and diet: An exploration of the links between nutrients, food and thyroid function. Nutrients, 13(7), 2358. [https://doi.org/10.3390/nu13072358](https://doi.org/10.3390/nu13072358)
• Kharrazian, D. (2010). Why do I still have thyroid symptoms? When my lab tests are normal: A revolutionary breakthrough in understanding Hashimoto’s disease and hypothyroidism. Elephant Press.
• Mancini, A., Di Segni, C., Raimondo, S., Olivieri, G., Silvestrini, A., Meucci, E., & Fazzino, F. (2016). Thyroid hormones, oxidative stress, and inflammation. Mediators of Inflammation, 2016, 6757154. [https://doi.org/10.1155/2016/6757154](https://doi.org/10.1155/2016/6757154)
• Pirola, L., & Fainzilber, M. (2017). Non-alcoholic fatty liver disease (NAFLD) and thyroid function: A potential link and clinical implications. Endocrine, 57(1), 21–27. [https://doi.org/10.1007/s12020-017-1293-8](https://doi.org/10.1007/s12020-017-1293-8)
• Virili, C., & Centanni, M. (2015). “With a little help from my friends”—The role of the gut microbiota in thyroid hormone metabolism and enterohepatic recycling. Molecular and Cellular Endocrinology, 412, 191–195. [https://doi.org/10.1016/j.mce.2015.01.025](https://doi.org/10.1016/j.mce.2015.01.025)

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