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Tag: thyroid optimization

ChiroMedBlogthyroid optimization

Bioidentical HRT Overview With Integrative Endocrinology

Uncover the role of bioidentical HRT and integrative endocrinology in achieving optimal hormonal balance and vitality.

Abstract

In this post, I walk you through a clear, evidence-based path to understanding hormone optimization and why it is foundational to whole-body health, longevity, and disease prevention. We will explore the physiological roles of key hormones — including estrogen, testosterone, progesterone, thyroid hormones, and vitamin D — and how they influence the brain, heart, bones, metabolism, mood, and pain processing. I will define the difference between treating symptoms and healing root causes, explain the lock-and-key receptor model that distinguishes bioidentical hormones from their synthetic counterparts, and debunk common myths regarding cardiovascular risk and breast cancer. You will see how gut health and the gut-brain axis modulate hormone signaling, why “normal” lab values are not always “optimal,” and how integrative chiropractic care supports the nervous system and the hypothalamic-pituitary-adrenal axis to amplify therapeutic outcomes. Drawing from modern, peer-reviewed findings and my clinical experience, including outcomes documented across my care and education platforms, I present individualized treatment strategies — from transdermal therapy to pellet implantation — and explain exactly when, how, and why each approach is used.

Root-Cause Medicine vs Band-Aid Care: Why Healing Requires Asking “Why”

For decades, I have practiced with a simple guiding principle: “The greatest medicine of all is teaching people how not to need it.” That mindset demands distinguishing treating from healing.

  • Treating means quieting a symptom while the underlying cause persists. Pain medication for a recurrent headache may silence the alarm without correcting dehydration, nutrient deficiencies, sleep debt, or stress physiology.
  • Healing requires removing the cause so the body can restore balance — like finding the pebble in the shoe rather than numbing the toe. In hormone care, that pebble is often a deficiency, receptor insensitivity, or axis dysregulation that drives seemingly unrelated symptoms.

When patients arrive on antidepressants, anxiolytics, sleep aids, and stimulants, my position is straightforward: you are not deficient in Prozac or Xanax. Those symptoms are signals of deeper dysregulation. When we correct hormone signaling and support the body’s neuroendocrine and metabolic systems, patients don’t just feel less symptomatic — they recover function, resilience, and clarity. That is healing.

Bioidentical vs Synthetic Hormones: The Lock-and-Key Physiology

Cells communicate through precision. Hormones are keys; receptors are locks. The tighter the molecular fit, the richer the downstream signaling.

  • Bioidentical hormones have the exact molecular structure your body produces. They fit receptors precisely, triggering entire cascades of gene transcription, enzyme activation, cellular energy production, and repair that extend far beyond stopping a hot flash or improving libido.
  • Synthetic hormones are structurally altered analogs. They can wedge into the lock and quiet certain symptoms, but they do not reliably initiate the full spectrum of protective responses. Worse, they can “jam” the lock, producing off-target effects and risks seen in large trials of synthetic progestins and oral conjugated estrogens, including clotting and breast cancer risk signals that differ markedly from those associated with transdermal bioidentical estradiol and natural progesterone.

From a healing perspective, injured tissue resolves with nutrients, proper signaling, and innate intelligence — not force. Restoring the body’s native hormonal environment with bioidenticals aligns with physiology and reduces unintended consequences.

The Essential Hormone Suite: What Matters and Why

Hormones are a symphony, not soloists. The following players conduct everything from mitochondrial firing to synaptic plasticity:

  • Testosterone: In both sexes, testosterone maintains muscle protein synthesis, mitochondrial density, dopamine tone, motivation, and vascular integrity. Clinically, optimizing testosterone often restores energy, drive, and emotional steadiness.
  • Estrogen: Far beyond reproduction, estrogen modulates lipid profiles, vascular dilation, glucose handling, bone turnover, and neurotransmitter production. It interacts richly with serotonin, GABA, and acetylcholine circuits that govern clarity, memory, and mood stability.
  • Progesterone: A natural neurosteroid and anxiolytic, progesterone supports sleep architecture via GABAergic pathways, balances the endometrium, reduces mast cell activation, and supports bone formation and neural repair.
  • Vitamin D (as a secosteroid hormone): Through VDR signaling, vitamin D influences immune tolerance, autoimmunity risk, bone mineralization, muscle performance, and mood regulation. Receptor sensitivity and cellular uptake impact how other hormones exert their effects.
  • Thyroid hormones (T4/T3): The master metronome of metabolism, thyroid hormones regulate mitochondrial biogenesis, thermogenesis, cholesterol clearance, GI motility, and brain speed. Many patients suffer “normal lab” hypothyroid symptoms due to conversion issues (T4 to T3), inflammation, or stress-axis suppression.

Every intervention we choose respects how these systems interlock.

Finding Hormonal Harmony- Video

When Hormones Drift: The Symptom Constellations I See Every Week

Hormone insufficiency can mimic anxiety disorders, hypothyroidism, chronic fatigue, and fibromyalgia. The pattern recognition is essential:

  • In women:
    • Emotional volatility with swings into irritability or sadness
    • Central weight gain, fluid retention, unwanted hair changes
    • Brain fog, slowed processing, decreased multitasking capacity
    • Sleep fragmentation and poor restorative sleep
  • In men:
    • Loss of drive and diminished initiative
    • Sarcopenia: shrinking limbs, growing midsection
    • Irritability, anxiety, and flat mood
    • Delayed recovery after exercise and joint aches

These are not signs of “aging we must accept.” They are flags of declining signal quality across neuroendocrine axes that can be corrected with targeted care.

Estrogen’s Systemic Power: Brain, Heart, Bone, and Beyond

Declining estradiol produces widespread changes:

  • Brain and mood: Estrogen modulates serotonin synthesis and receptor sensitivity, supports synaptic density, and reduces neuroinflammation. Because ~80% of serotonin is produced in the gut, estradiol’s influence on mucosal integrity, motility, and microbiome ecology threads directly into mood.
  • Cardiovascular protection: Estrogen raises HDL, improves endothelial function, and decreases atherogenic inflammatory signaling. Early postmenopausal initiation of estrogen therapy has been associated with profound reductions in cardiovascular events when personalized and appropriately delivered (see references).
  • Bone remodeling: Estrogen reins in osteoclast activity and preserves trabecular architecture. After menopause, unopposed resorption accelerates — prompting bone loss and joint discomfort that often improves with physiologic replacement.
  • Urogenital and GI systems: Estrogen maintains urogenital mucosal thickness, reduces susceptibility to UTIs, and supports oral health and the integrity of the colonic epithelium.

In men, a portion of testosterone’s benefits derive from conversion to estradiol via aromatase. Blocking that conversion can backfire — harming bones, vessels, and cognition.

Testosterone: Vital for Both Women and Men

A compelling endocrine fact: across a lifetime, women produce more testosterone than estrogen, yet female testosterone remains underappreciated. In my clinical work and in extensive training settings for medical providers, I find this knowledge gap consistent.

  • Common deficiency signs in both sexes:
    • Afternoon energy collapse (“2 to 4 PM crash”)
    • Brain fog and distractibility
    • Sarcopenia, increased fat mass
    • Low mood, irritability, and anxiety
    • Sleep maintenance challenges
    • Decreased libido and diminished sense of well-being

The therapeutic aim is not masculinization for women. As Dr. Rebecca Glaser’s research shows, women thrive at levels in the low hundreds (e.g., 100–200 ng/dL), far below male optimization ranges, and nuisance effects (like faster hair growth) are manageable without inducing male traits (Glaser & Dimitrakakis, 2013).

Progesterone: The Great Balancer in Midlife

Progesterone is typically the first hormone to decline in perimenopause, creating estrogen dominance. Natural progesterone:

  • Balances estrogen by protecting the endometrium and normalizing bleeding patterns
  • Stabilizes sleep through GABA-A receptor modulation
  • Calms anxiety by dampening excitatory stress signals
  • Supports metabolism, helping counter central adiposity
  • Builds bone by stimulating osteoblast activity
  • Prevents migraines in hormonally sensitive cycles via neurovascular stability

I use oral bioidentical progesterone strategically at night to align with sleep physiology and reduce cortisol-driven restlessness.

The Gut-Brain Axis: Why Digestion Shapes Hormone Signaling

The gut-brain axis provides a bidirectional highway between microbiome metabolism, mucosal immunity, and central nervous system function. When dysbiosis and leaky gut increase endotoxin exposure, the immune system escalates TNF-alpha and IL-6, which can:

  • Suppress thyroid conversion (T4 to T3), slowing metabolism
  • Interfere with steroid receptor sensitivity, blunting hormonal “volume.”
  • Destabilize serotonin and GABA tone, worsening anxiety and insomnia
  • Elevate cortisol, skewing glucose handling and fat distribution

Because hormones ride on the integrity of these networks, I routinely assess and address gut ecology — supporting barrier function, microbial balance, and nutrient repletion — to improve hormone outcomes.

Debunking Myths: Sex Hormones, Heart Disease, and Breast Cancer

Fear-mongering around hormones has caused avoidable suffering. Evidence clarifies:

  • Heart disease reality: Cardiovascular disease causes far more deaths in women than breast cancer, especially after estradiol declines. Early, individualized estrogen therapy is associated with significantly reduced cardiac events when delivered as transdermal bioidentical estradiol and combined with natural progesterone if the uterus is intact (Manson et al., 2013; NAMS, 2017).
  • WHI interpretation: The increased breast signal in the WHI was tied to synthetic progestin (medroxyprogesterone acetate), not natural progesterone. The Premarin-only arm showed reduced breast cancer incidence in some analyses; clotting risks were linked to oral administration, not transdermal routes. Modern, bioidentical protocols differ materially from those older findings.
  • Testosterone’s cardiometabolic protection: Hundreds of studies support testosterone’s role in vascular health, insulin sensitivity, lipid balance, and mood. Some benefits reflect physiologic aromatization to estradiol. Routine estrogen blockade with testosterone therapy risks heart, bone, and brain health.

The narrative that “hormones cause breast cancer” is reductive. The real drivers include chronic inflammation, hyperinsulinemia, and toxic exposures. Optimizing hormones within a comprehensive anti-inflammatory and metabolic framework reduces the risk terrain.

Bone and Brain: Hormones as Structural and Cognitive Protectors

  • Bone health: Estrogen and testosterone have synergistic effects — estrogen restrains resorption; testosterone promotes muscle strength and mechanotransduction, stimulating bone formation. Unlike some antiresorptives that create dense but brittle bone, physiologic hormone restoration improves bone quality, reducing fracture risk when combined with vitamin D, calcium, and resistance training.
  • Brain health:
    • Estrogen exhibits anti-inflammatory and immunomodulatory properties; the brain’s local synthesis of estradiol after injury reflects an innate neuroprotective strategy. Timed delivery of natural estradiol has shown dramatic post-ischemic benefits in experimental contexts.
    • Testosterone supports memory, motivation, and synaptic stability; low levels correlate with depression, increased beta-amyloid deposition, cardiometabolic risk, and higher all-cause mortality.
    • Pain processing: Both hormones modulate central and peripheral nociceptive pathways. In chronic pain, especially in the context of opioid use, testosterone drops precipitously, compounding pain sensitivity and slowing tissue repair. Optimizing sex hormones often reduces pain perception and accelerates recovery.

Treatment Modalities: How We Choose What to Use and Why

Personalized therapy means aligning the route, dose, and timing to your physiology and preferences.

  • Oral bioidenticals:
    • Progesterone at night synergizes with sleep architecture and GABAergic calming.
    • Estradiol can be oral for some, but I prefer transdermal for clot risk mitigation.
    • Sublingual testosterone is an option in select cases; we avoid oral synthetic testosterone due to liver and lipid concerns.
  • Transdermal creams and patches:
    • Estradiol patches deliver steady levels and circumvent first-pass hepatic metabolism, reducing clot risk and improving cardiovascular safety profiles.
    • Creams can work well; absorption is increased in the genital dermis due to vascularity and a thin epithelium, thereby improving pharmacokinetics.
  • Injections:
    • Effective for testosterone but can cause peaks and troughs, increasing side effects.
    • I avoid routine aromatase inhibitors because blocking estradiol harms joint, bone, heart, and brain health.
  • Pellet therapy (bioidentical):
    • Tiny implants placed in subcutaneous gluteal fat deliver steady, cardiac-output-modulated release for months.
    • Advantages include consistency, convenience, and individualized dosing without weekly fluctuations.
    • In my clinics, we have safely performed tens of thousands of pellet procedures, achieving robust outcomes in energy, mood, body composition, and relationships.

We select a route based on your clot risk, liver status, absorption patterns, lifestyle, and therapeutic goals, and we adjust iteratively with labs and symptom tracking to reach optimal — not merely normal — levels.

Integrative Chiropractic Care: Optimizing the Neuroendocrine Highway

As a DC and FNP, I integrate chiropractic care because the nervous system is the master regulator of the endocrine system. The spine houses the neural pathways that connect the hypothalamus, pituitary, adrenals, thyroid, gonads, and peripheral tissues.

  • Neurological optimization: Spinal misalignments (subluxations) can impede afferent and efferent signaling, disrupting the feedback loops that maintain hormonal balance. Targeted adjustments restore neural conduction and autonomic tone, improving endocrine responsiveness.
  • Stress physiology: Adjustments help downregulate sympathetic overdrive and normalize HPA-axis function, lowering chronic cortisol elevations that suppress thyroid conversion, disrupt sex hormone balance, and promote visceral adiposity.
  • Whole-system synergy: I assess posture, biomechanics, and neural patterns alongside labs and symptoms. When the “power is on,” hormonal signals transmit efficiently — enhancing the impact of bioidentical therapy, gut repair, and nutrient protocols.

This integrative model accelerates outcomes and deepens durability.

Clinical Observations: Real-World Outcomes and Why They Matter

  • “Gas in the tank” but no ignition: An 18-year-old with high-normal testosterone (~1,000 ng/dL) presented with depression, anxiety, and poor focus. The issue was not production; it was receptor sensitivity. By supporting vitamin D (for VDR and steroid receptor modulation), iodine (for thyroid support), and methylated B vitamins (for methylation and neurotransmitter pathways), his symptoms resolved rapidly. He discontinued psychiatric medications and regained function. This underscores that hormones require cofactors and competent receptors to work.
  • “Getting her life back at 65”: After synthetic hormones were stopped at age 60 per outdated rules, a patient developed severe depression and withdrawal. Bioidentical pellet therapy restored estradiol, progesterone, and testosterone, and she experienced profound mood and relationship recovery. Her story is emblematic of the shift away from “lowest dose for shortest time” toward individualized, evidence-based longevity care (NAMS, 2017).

My clinical platforms consistently document these transformations across energy, cognition, mood, pain, and relationships, validating the integrated approach.

Why “Normal” Is Not Always “Optimal”

Population-based reference ranges reflect averages — not targets for vitality. Example: a vitamin D level of 35 ng/mL may be “normal,” yet evidence aligns disease prevention and immune optimization with levels typically above 60 ng/mL when individualized and monitored. Similarly, thyroid and testosterone “normalcies” might leave patients foggy, unmotivated, and fatigued.

  • We test, treat, and retest — using symptom resolution, functional metrics, and lab optimization to find your personalized sweet spot.
  • The goal is not “not sick.” The goal is vibrant.

Putting It All Together: A Practical, Personalized Pathway

Every plan is individualized, but the strategy follows clear physiology:

  • Assess and align:
    • Detailed history of symptoms, stress, sleep, nutrition, and gut health
    • Comprehensive labs: sex hormones, thyroid panel (with free T3), vitamin D, metabolic markers, inflammatory cytokines as indicated
    • Chiropractic examination: posture, segmental dysfunction, autonomic balance
  • Intervene with precision:
    • Bioidentical hormones via optimal route (transdermal, pellets, oral progesterone)
    • Gut repair: barrier support, microbiome rebalance, anti-inflammatory nutrition
    • Nutrient repletion: vitamin D, omega-3s, magnesium, iodine, B-complex (methylated)
    • Chiropractic adjustments to normalize neural signaling and HPA-axis tone
    • Lifestyle programming: resistance training for bone and insulin sensitivity, sleep optimization for hormone rhythm, stress practices for cortisol control
  • Monitor and refine:
    • Follow-up labs and symptom maps
    • Dose adjustments to maintain physiologic ranges and minimize side effects
    • Ongoing education so you understand the “why” behind each change

This is how we move from treating to healing.

Key Takeaways For Your Health Journey

  • Hormone imbalances can occur at any age, affecting mood, energy, muscle function, cognition, and relationships.
  • Bioidentical hormones fit receptor locks precisely, unlocking protective cascades in brain, heart, bone, and metabolism.
  • Transdermal estradiol and natural progesterone differ materially from older synthetic regimens, shifting risk profiles and outcomes.
  • Testosterone is vital for women and men; blocking estrogen in men is typically harmful.
  • Gut health and the nervous system set the stage for hormone signaling; repair and alignment amplify results.
  • Normal is not optimal; personalization is essential for long-term vitality.
  • Integrative chiropractic care enhances neuroendocrine transmission and stress-axis regulation, increasing the efficacy of hormone therapy.

You do not have to live in a fog of fatigue, irritability, and disconnection. With modern, evidence-based, integrative care, you can reclaim clarity, purpose, and a vibrant life.

References

SEO Tags: hormone optimization, bioidentical hormones, testosterone therapy for women, estrogen benefits, progesterone sleep support, thyroid optimization, vitamin D hormone, gut-brain axis, integrative chiropractic care, menopause therapy, andropause treatment, pellet hormone therapy, cardiovascular protection, osteoporosis prevention, brain health and hormones, functional medicine, Dr. Alexander Jimenez DC APRN FNP-BC IFMCP, El Paso hormone clinic

DHEA: Enhancing Your Well-Being With Hormonal Health

Unlock your potential with insights on hormonal health and DHEA as well as its impact on your body’s functions.

Abstract

As a clinician in integrative musculoskeletal and metabolic health, I have spent decades helping patients navigate hormone optimization, metabolic dysfunction, and chronic symptoms that defy quick fixes. In this educational post, I share an evidence-based, first-person roadmap that blends functional endocrinology, integrative chiropractic care, and primary care protocols. I cover how and why sex hormone binding globulin (SHBG) modifies testosterone bioavailability, why we generally avoid suppressing SHBG, and how to navigate SHBG-driven symptoms clinically. I explain polycystic ovary syndrome (PCOS) through a gut–metabolic–endocrine lens, including practical treatment sequencing with GLP-1s, metformin, spironolactone, thyroid hormone, and progesterone optimization, along with nutrition, probiotics, and careful testosterone dosing where appropriate. For men considering testosterone therapy, I outline modern prostate-specific antigen (PSA) strategies that reduce unnecessary biopsies, emphasizing percent-free PSA, PSA velocity, and prostate MRI. Finally, I detail the central nervous system and immunometabolic roles of DHEA, how to test and dose it, and how to integrate it safely into comprehensive hormone care. Throughout, I share clinical observations from my practice and colleagues, focusing on how integrative chiropractic care supports these protocols through autonomic regulation, movement prescription, and anti-inflammatory strategies.

Introduction: Building A Foundation For Smarter Hormone Care

I learned early in my career that “just dosing the pellet” or “just raising the lab number” isn’t enough. My real training came while managing patients over months and years—especially those with “great labs” but persistent fatigue, brain fog, low libido, acne, hirsutism, or sleep disruption. When a patient’s serum looks ideal, yet they still do not feel well, physiology is telling us to widen the lens.
Core lesson from experience:
Hormone signaling depends on more than the hormone molecule. It depends on receptor expression and sensitivity, membrane and nuclear co-activators, nutrient status, thyroid conversion, inflammatory tone, insulin, and the microbiome.
Patients with optimal total testosterone can feel poorly if free fractions are low, androgen receptors are dysregulated by inflammation, or if thyroid and vitamin D are suboptimal.
A vivid case taught me the leverage of micronutrients. Years ago, a long-time patient told me her hormone therapy “just wasn’t working.” Her labs were good; her symptoms were not. We discovered she had stopped taking her vitamin D. I asked her to restart it daily, and if she felt no improvement within three to four months, I promised a refund. She returned about three and a half months later, noticeably improved. “I will never stop vitamin D again.” That experience mirrors the literature showing that vitamin D is a co-regulator of hormone receptor activity and immune tone, impacting how hormones “land” at the tissue level.
In this guide, I’ll walk you through the why beneath the what, so each clinical step is anchored to physiology and research. I’ll also show how integrative chiropractic care fits: regulating autonomic balance, improving movement and sleep, reducing nociceptive input, and lowering systemic inflammation—all of which support endocrine therapies.

Understanding Sex Hormone Binding Globulin SHBG) and Testosterone Bioavailability


Why SHBG Matters


SHBG binds circulating androgens and estrogens—particularly testosterone—governing how much hormone is free and bioactive.
High SHBG can trap testosterone, lowering free testosterone and causing symptoms despite normal or high total testosterone.
Low SHBG often signals metabolic dysfunction. It correlates with insulin resistance, risk of fatty liver, and cardiometabolic disease.

Key Physiology


SHBG is produced in the liver. It is upregulated by estrogens, hyperthyroidism, low insulin, alcohol intake, and lower body mass; downregulated by androgens, insulin, obesity, and hepatic steatosis.
SHBG acts as more than a passive binding protein. Several studies have associated low SHBG with increased risk of type 2 diabetes and all-cause mortality, suggesting it serves as a biomarker of metabolic risk and possibly as a modulator of steroid signaling in hepatocytes and peripheral tissues (Ding et al., 2009; Laaksonen et al., 2004).

Clinical Reasoning: Do Not Reflexively Lower SHBG


Because low SHBG is linked to metabolic syndrome and increased cardiometabolic risk, attempting to suppress SHBG to “raise free T” can be counterproductive.
Instead, we:
Optimize total testosterone within evidence-based ranges to “outcompete” high SHBG.
Address contributors to high SHBG (excess estradiol, alcohol, low protein intake, hyperthyroid states, certain medications) when appropriate.
Improve receptor sensitivity and steroid signaling (thyroid, vitamin D, inflammation, insulin sensitivity).
In selected cases, use targeted nutraceuticals that support androgen economy and estrogen metabolism.

Practical Strategies to Overcome High SHBG


Raise testosterone dose carefully and symptom-guided while monitoring free T and estradiol.
Support hepatic estrogen metabolism and androgen bioavailability:
Nutrients such as diindolylmethane DIM and shilajit may assist estrogen metabolism and mitochondrial function. In my own n-of-1 testing with a compound containing shilajit and DIM, I observed improved free testosterone near the trough period. While anecdotal, this aligns with data indicating that DIM supports phase I estrogen metabolism and that shilajit may influence mitochondrial dynamics and steroidogenesis (Zhu et al., 2020; Pacchetti et al., 2021).
Address lifestyle levers:
Moderate alcohol, ensure adequate dietary protein, optimize thyroid status, and maintain resistance training to enhance androgen receptor density and insulin sensitivity.

Why Integrative Chiropractic Care Helps Here


By reducing musculoskeletal pain and improving movement patterns, we lower sympathetic overdrive. Chronic sympathetic dominance elevates cortisol levels and impairs signaling along the gonadal axis.
Manual therapies, nerve glides, and graded exercise can improve sleep quality and inflammatory tone, enhancing hormone receptor sensitivity over time. In practice, we see better outcomes when patients combine hormonal optimization with structured movement, fascial care, and recovery protocols.

SHBG As A Metabolic Biomarker


Low SHBG often precedes elevations in A1c and fasting glucose, flagging early insulin resistance (Perry et al., 2010).
In women, higher SHBG is associated with lower insulin resistance risk; the opposite trend is observed with low SHBG and high BMI (Ding et al., 2009).

Takeaway


Use SHBG diagnostically, not just therapeutically. Let it inform your metabolic plan. Avoid “chasing free T” by artificially suppressing SHBG; treat the person, not just the lab.

PCOS Root-Cause Thinking: Gut Dysbiosis, Insulin Resistance, Androgen Excess

The Modern PCOS Lens

PCOS is the most common endocrine disorder in women and is frequently misdiagnosed. Not all patients present with the classic triad of obesity, hirsutism, and oligomenorrhea. About half are not overweight.
Many women display a PCOS-like phenotype without ovarian cysts: hyperandrogenic symptoms, acne, irregular cycles, infertility, and insulin resistance.
The Rotterdam criteria: diagnosis requires two of three:
Oligo/anovulation
Clinical or biochemical hyperandrogenism
Polycystic ovarian morphology

Physiology: Gut–Immune–Endocrine Crosstalk


Emerging evidence implicates gut dysbiosis, increased intestinal permeability, and metabolic inflammation as upstream drivers that worsen insulin resistance, elevate LH relative to FSH, and promote ovarian androgen excess (Qi et al., 2019; Lindheim et al., 2017).
Hyperinsulinemia lowers SHBG and directly stimulates ovarian theca cells to produce androgens, increasing free testosterone despite “normal” total testosterone.
Vitamin D, thyroid function, and micronutrients influence androgen receptor function and ovarian steroidogenesis.


Clinical Picture I See Often


Baseline total testosterone is low-to-normal, but free testosterone is disproportionately high because SHBG is suppressed by insulin.
LH: FSH ratio may be >2:1 in some patients. Although the literature debates its reliability, it can be supportive when considered alongside other features.
Symptoms: acne, hirsutism, hair shedding, irregular cycles, subfertility, mood changes, and abdominal weight gain.

An Integrative Treatment Plan That Works


Fix the gut basics first.
Ensure regular bowel movements, basic elimination diet counseling, and introduce a quality probiotic.
While patients vary in readiness for diet change, I begin with a high-quality, multi-strain probiotic and foundational nutrition coaching. Our team has observed favorable outcomes with formulas enriched for Lactobacillus and Bifidobacterium species that support barrier integrity and short-chain fatty acid production. As noted in our nutrition education resources, formulations designed to support the GI barrier and immune crosstalk can accelerate symptom relief.
Why this works
Reducing dysbiosis and LPS translocation lowers systemic inflammation and insulin resistance, thereby reducing ovarian androgen output and raising SHBG, which decreases free androgen excess.
Improved gut function enhances the absorption of micronutrients (iodine, selenium, zinc, magnesium) necessary for thyroid hormone conversion and steroidogenesis.
Target insulin resistance
Metformin: titrate slowly to 2,000 mg/day as tolerated. Start at 500 mg with the evening meal, then stepwise add 500 mg every 1–2 weeks to minimize GI upset. The goal is 1,000 mg twice daily, extended-release when possible.
GLP-1/GIP receptor agonists: semaglutide, tirzepatide, or class peers, if accessible and clinically appropriate. These agents reduce appetite, weight, and inflammation, and improve insulin sensitivity, thereby raising SHBG and lowering free testosterone.
Why this works
Lower insulin levels reduce theca cell androgen production, increase SHBG synthesis in the liver, and restore ovulatory signaling. Over time, menses regularity and ovulatory function return. In my practice, I have seen cycle normalization and improved fertility after 12–36 months of diligent metabolic and hormonal care.
Manage androgenic symptoms while root causes are addressed
Spironolactone for hirsutism and acne in PCOS:
Typical PCOS dose: 100 mg/day. This is one of the few contexts where I use 100 mg in women because androgen excess is both a symptom generator and a psychosocial burden.
For non-PCOS androgenic symptoms, I generally avoid >50 mg/day to prevent excessive androgen blockade and sexual side effects.
Topical options can support acne management.
Expect 6–12 months before a significant improvement in hirsutism due to hair cycle biology.
Protect pregnancy and fertility.
Progesterone support is critical. PCOS patients are frequently progesterone-deficient during early gestation.
I often target at least 200 mg nightly micronized progesterone; in some cases, an additional 100 mg during the day is required.
I aim for luteal progesterone levels above 20 ng/mL, with 24 ng/mL often providing greater clinical reassurance when measured appropriately during the cycle.
Thyroid optimization matters. Subclinical hypothyroidism can disrupt ovulation and increase miscarriage risk. Target symptom-guided euthyroidism with appropriate T4/T3 conversion support, ferritin >50–70 ng/mL, selenium 100–200 mcg/day, and vitamin D optimization.
Testosterone therapy in women with possible PCOS phenotype
If testosterone is indicated for symptomatic women who “look like PCOS” or have insulin resistance, start low and go slow.
In my practice, I avoid starting doses above approximately 75–87.5 mg when using implants in such patients and titrate carefully. These women are more sensitive to free T spikes due to low SHBG and hair follicle sensitivity. Overshooting increases acne and hirsutism.
Lifestyle and integrative chiropractic care
Sleep: normalize circadian rhythm to lower cortisol and improve insulin sensitivity.
Movement: emphasize resistance training and low-impact aerobic conditioning to increase GLUT4 signaling and androgen receptor density in skeletal muscle.
Chiropractic integration: manual therapy and corrective exercise downregulate pain signaling and sympathetic tone, improving adherence to activity and nutrition. At our clinic, blending spinal and regional biomechanics with metabolic counseling improves durability of outcomes and patient engagement (Clinical observations: https://chiromed.com/; https://www.linkedin.com/in/dralexjimenez/).


PCOS Outcomes


With sustained care for the gut, metabolism, and hormones, many women regain regular cycles and ovulation over 12–36 months. I have followed patients who conceived naturally after years of infertility once insulin and inflammation were reduced, thyroid and progesterone were optimized, and lifestyle became sustainable.

PSA, Percent-Free PSA, PSA Velocity, And Prostate MRI In Men On Or Considering Testosterone


What Changed in the Last Decade


PSA alone is an imperfect cancer biomarker: specific but not sensitive. Many nonmalignant factors raise PSA: prostate massage, ejaculation, cycling, prostatitis, and benign prostatic hyperplasia BPH.
Percent-free PSA improves sensitivity. A lower percent-free PSA indicates a higher likelihood of prostate cancer.
PSA velocity matters. A rapid rise from baseline is more concerning than an isolated value.


How I Screen and Refer


Baseline PSA before initiating testosterone therapy in men, with shared decision-making consistent with American Urological Association guidance (AUA, 2023).
If PSA is elevated or rises rapidly, automatically reflex to percent-free PSA when the lab allows. Many laboratories can set an auto-reflex rule when PSA exceeds 4.0 ng/mL; you can request this configuration.

Interpreting Percent-Free PSA


Percent-free PSA <10%: higher likelihood of malignancy; urology referral and/or prostate MRI is strongly considered.
Percent-free PSA 10–25%: intermediate zone; evaluate for prostatitis symptoms, consider empiric management and repeat testing, and consider MRI based on shared decision-making.
Percent-free PSA >25%: lower likelihood; monitor and reassess.

Remember Finasteride

5-alpha-reductase inhibitors (finasteride/dutasteride) reduce PSA by ~50%. Double the measured PSA to estimate the “true” value for risk assessment.

PSA Velocity Example

A jump from 0.9 to 2.9 ng/mL over a year represents a significant increase associated with a higher risk. Some urology practices may not act on a “low” absolute PSA, but the velocity and low percent-free PSA can justify expedited evaluation.

Multi-parametric has become the preferred next step

Multi-parametric prostate MRI is now a gold-standard triage tool. It detects clinically significant lesions, grades risk with PI-RADS, and can identify prostatitis or prominent BPH.
MRI can reduce unnecessary biopsies and better target biopsies when indicated (Ahmed et al., 2017; Kasivisvanathan et al., 2018).
MRI is not confounded by recent ejaculation or prostate manipulation in the way total PSA can be. Percent-free PSA also remains stable relative to such perturbations.

Clinical Pathway I Use


Baseline PSA and DRE as indicated.
If PSA is above the threshold or velocity is high:
Order percent-free PSA.
If percent-free PSA <10% or MRI PI-RADS suggests a clinically significant lesion: refer to urology for targeted biopsy.
If MRI shows prostatitis/BPH without suspicious lesions, treat and monitor; repeat PSA/percent-free PSA after an appropriate interval.
Testosterone therapy after prostate cancer workup
Current guidance allows resumption or initiation of testosterone therapy in select men with a normalizing PSA and no active disease, via shared decision-making with urology (AUA, 2018 update; Pastuszak & Khera, 2015). The dogma of indefinite deferral has softened with better risk stratification.

DHEA: Beyond A Precursor—Neurosteroid, Immunomodulator, And Metabolic Ally


What We Now Know


Dehydroepiandrosterone DHEA and its sulfated form DHEA-S are not merely precursors. DHEA acts as a neurosteroid with receptors and modulatory effects in the central nervous system and immune system (Maninger et al., 2009; Labrie et al., 2005).
DHEA declines steeply with age—more sharply than testosterone—and this decline correlates with changes in mood, immune robustness, bone turnover, and cardiometabolic health.

Physiology Highlights

Source: adrenal zona reticularis and, to a lesser degree, CNS synthesis.
Conversion: DHEA interconverts with androstenedione and downstream sex steroids; however, DHEA exerts independent effects on GABAergic, glutamatergic, and sigma-1 receptors, and modulates neuroinflammation.
Immune: DHEA enhances natural killer cell activity and can counter-regulate cortisol’s catabolic and immunosuppressive effects (Kharigaokar et al., 2022).
Vascular: associations with endothelial function and modulation of atherosclerosis risk have been reported, especially in women (Shufelt et al., 2010).

Clinical Uses I Have Found Most Impactful


Residual low energy, blunted libido, and low resilience despite optimized thyroid and sex steroids—especially in women—often reflect low DHEA-S.
Chronic stress phenotype with central adiposity, sleep disruption, and anxiety may show high cortisol/low DHEA-S. Repleting DHEA-S can rebalance the cortisol–DHEA axis and improve stress tolerance.

Testing and Target Ranges


Test DHEA-S, not just DHEA. DHEA-S is more stable and better reflects adrenal throughput.
Laboratory “normal” ranges are wide and population-based. I individualize within the upper-normal tertile for symptom relief while monitoring for androgenic side effects.
Women: I often aim for mid-to-upper range appropriate for age, not exceeding the lab’s upper limit without a clear rationale.
Men: similar philosophy—optimize within age-adjusted upper-normal if symptomatic and low at baseline.

Dosing Strategy

Start low, reassess, titrate slowly. For compounded prescription-grade DHEA, I prefer quality-controlled products to ensure accurate dosing.
Women: 5–25 mg/day, commonly 10–20 mg/day. Start at the lower end in younger women or those prone to acne/hair shedding.
Men: 25–50 mg/day, commonly 25–40 mg/day.
Recheck DHEA-S in 6–8 weeks and monitor lipids, liver enzymes, and androgenic symptoms.
Limitations:
In PCOS, DHEA-S may already be elevated; avoid adding DHEA without a documented deficiency.
Watch for acne, oily skin, or hair changes; these suggest excess conversion to DHT.

Why It Works

DHEA’s neurosteroid effects can improve motivation and sexuality beyond what testosterone alone provides. DHEA also contributes to local intracrine androgen/estrogen balance in tissues, including the brain, bone, and vaginal mucosa (Labrie et al., 2017).
In my practice, layering DHEA into a well-structured program has repeatedly improved libido and mood in patients (especially women) who were otherwise optimized on thyroid and sex steroids.

Integrative Chiropractic Care: The Missing Link In Hormone Outcomes

The Autonomic–Endocrine Connection

Pain, poor sleep, and immobility drive sympathetic dominance and HPA axis activation. Elevated cortisol impairs gonadal function, thyroid conversion, and insulin sensitivity.
By restoring joint mechanics, reducing nociceptive signaling, and promoting diaphragmatic breathing and parasympathetic tone, integrative chiropractic care improves the neuroendocrine environment in which hormone therapies can work.


How We Implement It

Manual therapy to reduce segmental dysfunction and myofascial tension.
Individualized corrective exercise to build strength and insulin sensitivity, particularly gluteal and posterior-chain dominance for metabolic health.
Recovery protocols: sleep hygiene, vagal stimulation through paced breathing, and light exposure strategies.
Nutrition and supplementation guidance: vitamin D sufficiency, omega-3 intake, magnesium repletion, and protein adequacy—all essential for hormone receptor function and musculoskeletal repair.
Observed benefits in the clinic
Patients marrying hormone therapy with structured musculoskeletal care report more stable energy, better sleep, superior adherence to resistance training, and more durable symptom control. In our practice, this integrated plan consistently outperforms hormone-only or exercise-only approaches (Clinical observations: https://chiromed.com/; https://www.linkedin.com/in/dralexjimenez/).

Putting It All Together: A Stepwise Protocol


Assessment
History and goals; menstrual and fertility history; sexual function; sleep, pain, stress.
Labs:
CBC, CMP, fasting insulin, fasting glucose, A1c, lipid panel, and hs-CRP.
Thyroid panel with TSH, free T4, free T3, thyroid antibodies as indicated.
25-hydroxyvitamin D.
Total testosterone, free testosterone, estradiol, SHBG.
DHEA-S.
In men: PSA with reflex percent-free PSA if available; note finasteride.
Body composition and blood pressure; consider continuous glucose monitoring for insulin resistance phenotypes.
Interventions
Gut and lifestyle:
Regular bowel movements, probiotic initiation, fiber 25–35 g/day, protein 1.2–1.6 g/kg/day, omega-3 repletion, and vitamin D to 40–60 ng/mL.
Resistance training 2–4x/week; low-impact cardio; sleep 7.5–8.5 hours; alcohol moderation.
Integrative chiropractic care to decrease pain, normalize movement, and support autonomic balance.
Insulin resistance:
Metformin was titrated to 2,000 mg/day as tolerated.
GLP-1 or GLP-1/GIP agonists where appropriate and accessible.
Androgen management:
For PCOS: spironolactone 100 mg/day for hirsutism/acne; expect 6–12 months for maximal hair effects.
Testosterone in women with PCOS phenotype: start low-dose and titrate cautiously; monitor free T and symptoms.
Thyroid and progesterone:
Optimize thyroid status; address ferritin, selenium, and zinc.
Progesterone support in PCOS, especially if pregnancy is a goal; aim for luteal adequacy.
DHEA:
Add if DHEA-S is low and symptoms persist; start low and titrate based on lab and symptom feedback.
Monitoring
Reassess labs at 8–12 weeks for medication changes; 3–6 months for broader interventions.
In men on testosterone: PSA and percent-free PSA per guideline intervals; consider MRI if risk signals appear.
Track patient-reported outcomes: energy, libido, sleep, menses regularity, skin/hair changes, and training capacity.
Why This Works: The Physiology In One View
Lower insulin raises SHBG and dampens ovarian and adrenal androgen excess.
Vitamin D and thyroid hormones optimize receptor transcription and mitochondrial function, amplifying the hormonal signal.
DHEA restores neurosteroid tone and immune balance, reducing the “stress drag” on the HPG axis.
Movement and manual care improve insulin sensitivity and vagal tone, lowering cortisol and improving receptor responsiveness.
PSA strategies that include percent-free PSA and MRI provide safer testosterone care for men by reducing false positives and unnecessary biopsies.

Closing Thoughts

I began this work focused on “getting the number right.” Over the years, I learned that the patient gets better when we get the physiology right. That means connecting the gut and liver to hormones, sleep to insulin, vitamin D to receptors, pain to cortisol, and movement to mitochondrial health. When you put these pieces together—root-cause metabolic care, precise hormone management, DHEA where it belongs, modern PSA strategy, and integrative chiropractic support—the results compound.

Citations

  • Ahmed, H. U., El-Shater Bosaily, A., Brown, L. C., Gabe, R., Kaplan, R., Parmar, M.K., multi-parametric M. (2017). Diagnostic accuracy of multi-parametric MRI and TRUS biopsy in prostate cancer PROMIS: a paired validating confirmatory study. The Lancet. https://doi.org/10.1016/S0140-6736(16)32401-1
  • American Urological Association. (2018, updated 2023). Early Detection of Prostate Cancer: AUA Guideline. https://www.auanet.org/guidelines/early-detection-of-prostate-cancer
  • Ding, E. L., Song, Y., Malik, V. S., & Liu, S. (2009). Sex differences of endogenous sex hormones and risk of type 2 diabetes: a systematic review and meta-analysis. JAMA. https://doi.org/10.1001/jama.2009.130
  • Kasivisvanathan, V., Rannikko, A. S., Borghi, M., Panebianco, V., Mynderse, L. A., Vaarala, M. H., … & PRECISION Study Group. (2018). MRI-targeted or standard biopsy for prostate cancer diagnosis. The New England Journal of Medicine. https://doi.org/10.1056/NEJMoa1801993
  • Labrie, F., Luu-The, V., Labrie, C., & Simard, J. (2005). DHEA and intracrinology. The Journal of Steroid Biochemistry and Molecular Biology. https://doi.org/10.1016/j.jsbmb.2005.08.002
  • Labrie, F., Archer, D. F., Koltun, W., Vachon, A., Young, D., Frenette, L., … & Plante, M. (2017). Efficacy of intravaginal DHEA on moderate to severe dyspareunia. Menopause. https://doi.org/10.1097/GME.0000000000000801
  • Laaksonen, D. E., Niskanen, L., Punnonen, K., Nyyssönen, K., Tuomainen, T. P., Valkonen, V. P., … & Salonen, J. T. (2004). Sex hormones, SHBG, and metabolic syndrome in middle-aged men. Diabetes Care. https://doi.org/10.2337/diacare.27.5.1036
  • Maninger, N., Wolkowitz, O. M., Reus, V. I., Epel, E. S., & Mellon, S. H. (2009). Neurobiological and neuropsychiatric effects of dehydroepiandrosterone DHEA and DHEA-sulfate DHEAS. CNS Drugs. https://doi.org/10.2165/00023210-200923070-00004
  • Pastuszak, A. W., & Khera, M. (2015). Testosterone therapy after prostate cancer. The Journal of Urology. https://doi.org/10.1016/j.juro.2014.09.110
  • Perry, J. R., Weedon, M. N., Langenberg, C., Jackson, A. U., Lyssenko, V., Sparsø, T., … & Frayling, T. M. (2010). Genetic evidence that raised sex hormone binding globulin SHBG) Levels reduce the risk of type 2 diabetes. Human Molecular Genetics. https://doi.org/10.1093/hmg/ddq316
  • Qi, X., Yun, C., Pang, Y., & Qiao, J. (2019). The impact of the gut microbiota on the reproductive system. Molecular Human Reproduction. https://doi.org/10.1093/molehr/gaz013
  • Shufelt, C., Bretsky, P., Almeida, C. M., Johnson, B. D., Shaw, L. J., Azziz, R., & Bairey Merz, C. N. (2010). DHEA-S levels and cardiovascular disease mortality in postmenopausal women. The Journal of Clinical Endocrinology & Metabolism. https://doi.org/10.1210/jc.2010-0302
  • Zhu, B. T., Lee, A. J., & Conney, A. H. (2020). Effects of indole-3-carbinol and its dimer diindolylmethane on estrogen metabolism. Journal of Cellular Biochemistry. https://doi.org/10.1002/jcb.29488
  • Pacchetti, B., Ghezzi, L., & Galimberti, D. (2021). Shilajit: a herbo-mineral exudate for mitochondrial health. Frontiers in Pharmacology. https://doi.org/10.3389/fphar.2021.656924

Refermulti-parametric


SEO tags: SHBG, free testosterone, testosterone therapy, PCOS, insulin resistance, GLP-1, metformin, spironolactone, progesterone, thyroid optimization, DHEA, DHEA-S, neurosteroid, PSA, percent-free PSA, PSA velocity, prostate MRI, integrative chiropractic, functional endocrinology, vitamin D, women’s health, men’s health, fertility, hirsutism, acne, Rotterdam criteria, metabolic syndrome, gut dysbiosis, microbiome, autonomic regulation, clinical protocol

Hormones: A Comprehensive Guide for Thyroid Optimization

Learn about thyroid optimization for hormones and their vital role in your health. Optimize your thyroid for improved vitality and balance.

Abstract

I wrote this educational post to share how I evaluate and treat persistent hypothyroid symptoms when traditional, TSH-centered therapy falls short. Drawing on my personal journey of living without a thyroid and more than a decade in integrated clinical practice, I explain why patients can feel hypothyroid with “normal” lab values, how the deiodinase system and reverse T3 shape symptoms, and where free T3 offers a more reliable clinical compass. I also detail why some people do better on combination T4/T3 therapy or desiccated thyroid, how nutrient cofactors like iron and selenium transform outcomes, and why lab timing and dose splitting matter. I show where integrative chiropractic care fits by improving autonomic balance, pain, sleep, and movement capacity—factors that directly influence hormone conversion and tissue response. Throughout, I integrate modern, evidence-based research and reference leading studies in endocrinology, cardiology, neurology, and rehabilitation. You will find a precise, step-by-step framework to help patients move from biochemical uncertainty to functional recovery.

The Journey Without a Thyroid and How It Shapes My Care

I practice medicine and chiropractic with a unique perspective. Many patients were required to complete thyroid removal. In the era before recombinant TSH, I experienced diagnostic withdrawal phases that pushed my TSH above 150 mIU/L. They felt the hard edge of metabolic shutdown—cold intolerance, constipation, bradypsychia (slowed thinking), and the kind of profound fatigue that flattens life.

Those deeply personal experiences transformed how I listen to and care for patients. Over the last 14 years, I have provided longitudinal care for more than 9,000 patients with thyroid-related conditions. I repeatedly see the gap between “lab-normal” and truly feeling normal in daily life. Many arrive with TSH values in range on levothyroxine yet still grapple with persistent symptoms.

In my chiropractic practice, I integrate precise spinal adjustments to optimize nervous system function and autonomic balance, thereby directly supporting endocrine regulation and helping close that gap. Patients often describe the full spectrum of thyroid imbalance: classic hypothyroid effects such as fatigue, weight gain, hair thinning, low mood or depression, brain fog, slowed cognition, dry skin, muscle weakness, constipation, cold intolerance, and exercise intolerance; as well as disruptive hyperthyroid symptoms including unintended weight loss despite increased appetite, heat intolerance, anxiety or irritability, rapid heartbeat or palpitations, diarrhea, tremors, restlessness, insomnia, and excessive sweating.

Many therapeutic journeys have reached the same conclusion: many patients need a more nuanced approach than T4 replacement alone—sometimes adding T3, correcting nutrient gaps, addressing gut-liver dysfunction, or resolving autonomic imbalance. These lived lessons anchor the whole-person framework I share here.
References for clinical updates and case observations:
ChiroMed: https://chiromed.com/
LinkedIn: https://www.linkedin.com/in/dralexjimenez/

Thyroid Physiology And Why A Normal TSH Can Mask Low Tissue Thyroid Action

To fully explain persistent symptoms, I begin with the hypothalamic-pituitary-thyroid (HPT) axis and tissue-level control:

  • The hypothalamus releases TRH, prompting the pituitary to release TSH, which signals the thyroid to make T4 and T3.
  • T3 is the bioactive hormone that binds to nuclear thyroid receptors (TRα, TRβ), upregulates mitochondrial and metabolic genes, and drives energy production.
  • Most circulating T3 is made in peripheral tissues by deiodinases. D1 and D2 convert T4 to T3, while D3 shunts T4 into reverse T3 (rT3)—an inactive isomer that competes with T3 for receptor access.

When inflammation, stress, or nutrient deficiency suppress D1 and favor D3, the result is a “low T3–high rT3” pattern. The pituitary, cushioned by local D2 activity, may “feel” replete and keep TSH within range, while muscles, brain, liver, and heart remain T3-deficient. This is how people feel hypothyroid despite a “normal” TSH.

  • Deiodinase and tissue signaling overview: (Bianco & Kim, 2018)
  • Non-thyroidal illness and low T3 physiology: (Peeters, 2017)
  • Transporter and receptor influences on intracellular signaling: (Friesema et al., 2010)

Citations:

Why Free T3 Predicts Function Better Than TSH During Treatment

In practice and research, free T3 correlates more tightly with energy, thermoregulation, cognition, and cardiometabolic outcomes than TSH when therapy is underway. While TSH is an excellent screening tool in untreated populations, it does not reliably reflect tissue thyroid status once exogenous hormone is introduced. Peripheral tissues depend on D1, which is easily downregulated by stress and illness. The pituitary’s reliance on D2 allows TSH to normalize even as free T3 remains low or rT3 rises.

  • Cardiovascular findings consistently link low T3 with worse outcomes; TSH often shows weak or no association (Dimitriadis et al., 2014; Iervasi et al., 2010).
  • In critical illness and ARDS, low T3 predicts higher mortality and delayed recovery (Wajner & Maia, 2015).

Citations:

The Reverse T3 Brake And The Conversion Ecology

I teach patients to think of reverse T3 as a physiologic brake. Under stress, inflammation, infection, caloric restriction, or high T4 loads, D3 increases and shunts T4 into rT3. Elevated rT3 effectively blocks T3’s action by competing for receptor and transport access.

  • Symptoms of high rT3/low T3: fatigue, cold intolerance, constipation, dry skin, sluggish thinking, reduced exercise tolerance.
  • Clinical reasoning: Adding more T4 in a high rT3 state often worsens the problem by feeding the brake. We must address stressors, reduce inflammation, optimize cofactors, and, when indicated, add physiologic T3.

Mechanistic reviews:

Levothyroxine Alone: When The Assumptions Fail

The traditional assumption was that T4-only therapy would convert adequately to T3 and fully resolve symptoms. Many patients do improve on levothyroxine. Yet a meaningful proportion remain symptomatic because of impaired conversion or high rT3.

  • Genetic polymorphisms (e.g., DIO2 Thr92Ala) and inflammatory states alter T3 production and action (Panicker et al., 2009).
  • Caloric restriction, illness, and iron deficiency shift deiodinase activity away from T3 (Stott et al., 2019).

A physiologic alternative is to use combination therapy (T4 + T3) or desiccated thyroid (DTE) for select patients with persistent symptoms, carefully titrated and monitored for safety.
Citations:

The Testosterone Connection And Metabolic Synergy

Thyroid hormones and androgens co-regulate metabolic rate, muscle protein synthesis, and mitochondrial efficiency:
Hypothyroidism can downregulate androgen receptors; low testosterone reduces muscle mass and worsens fatigue (Kelly & Jones, 2015).

  • Thyroid hormones increase SHBG, thereby altering the free fractions of testosterone and estradiol (Davis & Wahlin-Jacobsen, 2015).
  • Visceral adiposity increases aromatase activity, further lowering free testosterone. Optimizing thyroid action reduces central fat and indirectly improves androgen balance.

Citations:

An Evidence-Guided Evaluation Framework I Use In Clinic

To identify root causes of persistent symptoms, I apply a structured model:

  • Comprehensive thyroid panel and dynamics
    • TSH, free T4, free T3, and reverse T3 to map supply, conversion, and braking.
    • Thyroid antibodies (TPOAb, TgAb) for autoimmunity surveillance.
    • Consistent lab timing relative to dosing.
  • Nutrient and hematologic status
    • Ferritin, iron indices, selenium, zinc, vitamin D, vitamin A, B12; iodine assessment when indicated and carefully monitored.
    • Rationale: cofactors enable hormone synthesis and conversion (Zimmermann & Köhrle, 2002).
  • Inflammation and metabolic health
    • hsCRP, fasting insulin, HOMA-IR, lipids, liver enzymes; body composition for lean mass and visceral fat.
  • Gut-liver axis
    • Screen dysbiosis/SIBO symptoms, celiac markers, NAFLD risk, bile flow, and constipation patterns (Docimo et al., 2021).
  • Autonomic nervous system and stress load
    • HRV, orthostatic vitals, sleep quality, perceived stress.
  • Sex hormones and adrenal rhythm (as indicated)
    • Total and free testosterone, SHBG, estradiol, LH/FSH; DHEA-S; consider cortisol profiles when warranted.

Citations:

Precision Dosing: Why Lab Timing And Dose Splits Matter

When I incorporate T3 (liothyronine) or use desiccated thyroid, I standardize lab draws at five to six hours after the morning dose and split doses to avoid peaks:

  • Pharmacokinetics: Oral T3 peaks about 1–2 hours after ingestion and declines over the next several hours. Drawing at 5–6 hours captures a mid-curve snapshot that is comparable across visits (Ross, 2022; Jonklaas et al., 2019).
  • Dose splitting: I typically use BID or TID schedules (e.g., 6:00 a.m., 12:00 p.m., 6:00 p.m.) to maintain steady intracellular T3 for mitochondrial throughput, cognitive function, and thermoregulation. This dramatically reduces palpitations and anxiety tied to early peaks.
  • Wearables: I ask patients to track heart rate and sleep. Post-dose pulse spikes confirm kinetic peaks and guide redistribution.

Citations:

Combination Therapy And Desiccated Thyroid: How I Use Them And Why

I consider combination T4/T3 or desiccated thyroid extract (DTE) for patients with persistent symptoms and a lab pattern of low free T3 and/or elevated rT3:

  • Start low and titrate slowly
    • Introduce small, divided T3 doses to avoid peak-related side effects.
    • Maintain a baseline T4 level for substrate, while ensuring receptor activation by T3.
  • DTE practicals
    • Typical starting range: 1–1.5 grains (60–90 mg) daily, individualized to prior T4 dose and sensitivity.
    • Transition approach: a two-week half-and-half overlap (half prior T4 dose plus half new DTE dose) to avoid T3-naïve jitters.
    • Limit large single doses; distribute across the day if a higher total daily dose is needed.
  • Monitoring
    • Symptoms, free T3, free T4, and safety markers (heart rate, blood pressure).
    • Long-term: bone density surveillance when higher T3 exposures are used in specific populations.

Evidence-based and patient preference data:

Nutrient Therapy That Changes Outcomes: The Thyroid

The thyroid hormone is a signal, but the body needs substrates and cofactors to translate that signal into action. I routinely assess and treat:

  • Iron repletion when ferritin is low (often targeting >50–70 ng/mL for thyroid optimization)
    • Iron supports thyroid peroxidase and deiodinase function; low ferritin levels blunt T4-to-T3 conversion and can mimic hypothyroid symptoms.
  • Selenium (100–200 mcg/day from diet/supplement)
    • Supports deiodinase activity and antioxidant defense; may modestly reduce TPO antibodies (Winther et al., 2020).
  • Zinc, vitamin D, vitamin A, and B12
    • Zinc facilitates receptor function; vitamin D modulates immune tone and muscle; vitamin A supports epithelial and receptor dynamics.
  • Protein sufficiency (often 1.2–1.6 g/kg/day)
    • Supports thyroid transport proteins, hepatic conversion, and muscle mass.

Citations:

Integrative Chiropractic Care: Autonomic Regulation, Pain Reduction, And Metabolic Performance

As a DC and APRN, I see daily how neuromusculoskeletal health and the autonomic nervous system shape endocrine outcomes. Integrative chiropractic care fits into thyroid optimization by:

  • Autonomic regulation
    • Gentle spinal manipulation and soft-tissue techniques reduce nociceptive input and sympathetic overdrive, improving vagal tone and HRV. Lower stress signaling supports D1 activity, reduces rT3, and improves sleep quality.
  • Pain reduction
    • By reducing chronic pain, we lower inflammatory cytokines (e.g., IL-6, TNF-α) that suppress deiodinases and disrupt sleep, thereby enabling better hormone conversion and tissue responses.
  • Movement-based care
    • Structured resistance training and aerobic intervals, guided by movement assessment, improve insulin sensitivity, GLUT-4 translocation, and mitochondrial density, amplifying T3’s metabolic impact.
  • Breath and posture
    • Thoracic mobility and diaphragmatic breathing enhance oxygenation, vagal tone, and sleep—key supports for endocrine stability.


Clinical observations:
In my practice at ChiroMed, patients who pair optimized thyroid therapy with chiropractic autonomic optimization, mobility work, and progressive strength programming recover faster, maintain better energy, and sustain fat loss more reliably. See clinical reflections and case pearls:

Metabolic Rehabilitation: Building A Physiology That Welcomes T3

Thyroid optimization alone rarely solves modern metabolic challenges. I employ a pragmatic blueprint:

  • Build muscle first
    • Two or more weekly full-body resistance training sessions with progressive overload. More muscle equals a higher basal metabolic rate and better glucose disposal.
  • Walk the thermostat
    • 7,000–10,000+ daily steps, with postprandial 10–15-minute brisk walks, to blunt glucose excursions and lower inflammation.
  • Prioritize sleep and rhythm.m
    • Stable sleep-wake times, morning light exposure, and evening light reduction improve HPT-axis signaling and insulin sensitivity.
  • Protein-forward nutrition
    • 25–40 g protein per meal; fiber-rich plants and healthy fats; minimize ultra-processed foods.
  • Micronutrient sufficiency
    • Emphasize seafood (selenium, iodine), lean meats (iron, zinc, B12), eggs (vitamin A), and leafy greens (folate, magnesium).
  • Stress modulation
    • Breathing practices, HRV-guided recovery, and time in nature lower cortisol and rT3.
  • Manual and chiropractic care
    • Identify and correct joint restrictions and postural dysfunctions that limit training and raise sympathetic tone.

Epidemiologic context: U.S. obesity prevalence continues to rise, underscoring the need to embed thyroid care within a broader metabolic strategy (CDC, 2023).
Citation:

Thyroid Dysfunction-Video

Safety And Monitoring: Cardiac And Bone Health With T3

I titrate T3 conservatively and monitor:

  • Cardiac status (resting pulse, symptoms; ECG as indicated in arrhythmia-prone patients).
  • Bone health (ensure adequate calcium and vitamin D, prioritize resistance training, and follow DEXA for at-risk individuals).
  • Symptoms and function (energy, thermoregulation, bowel rhythm, cognition, sleep).
  • Free T3/Free T4, with TSH interpreted cautiously under T3-containing regimens.

A key clinical distinction: TSH suppression on therapy is not the same as endogenous hyperthyroidism. In thyroid cancer cohorts, carefully managed TSH suppression does not universally increase atrial fibrillation or osteoporosis risk when free hormones and clinical markers are appropriately monitored. We individualize targets rather than relying on a single lab threshold.
Reviews:

Standardizing Testing: Reducing Noise And Improving Decisions

The most powerful lever in precision thyroid care is standardization:

  • Fix dosing times (e.g., 6:00 a.m., 12:00 p.m., 6:00 p.m.).
  • Lock blood draws at five to six hours after the morning dose.
  • If patients arrive outside the window, reschedule to keep results comparable.
  • Use simple EMR notes to track outcomes: “Free T3 improved; patient reports better focus and energy; no adverse effects at standard draw; pulse stable.”

This rigor transforms guesswork into reliable, reproducible decisions.
Citations:

Case Patterns From Practice: How The Physiology Plays Out

The “stuck but strict” patient

  • A woman on levothyroxine with normal TSH but persistent fatigue and weight gain. Ferritin was 18 ng/mL; vitamin D was 22 ng/mL; rT3 was elevated. After iron and vitamin D repletion, post-meal walking, and low-dose T3 add-on, energy rose within weeks. Resistance training resulted in a 6% relative reduction in body fat over four months; we later tapered levothyroxine as conversion normalized.

The “pain-metabolism loop.”

  • A man with low back pain avoided exercise and gained weight while on stable thyroid replacement therapy. Integrative chiropractic care reduced pain and improved mobility. We added a graded strength plan and sleep coaching; HRV improved. With modest T3 addition, he reported clearer thinking and greater stamina.

The”testosterone trap.”

  • A man sought testosterone for fatigue and low libido. Evaluation revealed low-normal free T3, elevated rT3, high stress, and poor sleep. We prioritized thyroid optimization, sleep, and resistance training. Free testosterone improved without exogenous testosterone; symptoms resolved.

Clinical notes and similar cases:

Practical Steps For Patients And Clinicians

Patients

  • Ask for a comprehensive thyroid panel: TSH, free T4, free T3; consider reverse T3 if symptoms persist.
  • Check ferritin, selenium, zinc, vitamin D, and B12; discuss iodine only with clinical guidance.
  • Standardize dosing times and lab draw timing; split doses if needed to reduce peaks.
  • Build muscle, walk after meals, and protect sleep; track pulse and sleep with wearables if possible.
  • Consider integrative chiropractic care to improve pain, autonomic balance, and movement capacity.

Clinicians

  • Treat the person, not just the lab. If symptoms persist with “normal” TSH, investigate conversion ecology, cofactors, and comorbidities.
  • Consider cautious T4/T3 combination or DTE trials with standardized monitoring and safety tracking.
  • Pair endocrine therapy with nutrition, sleep, stress care, and chiropractic/rehab partners.
  • Reassess as inflammation, body composition, and fitness improve; the right dose today may be excessive in six months.

Closing Perspective: Aligning Therapy With Physiology

Living without a thyroid taught me respect for the complexity of endocrine physiology and the limits of single-number thinking. Care improves when we align therapy with how the body actually works: ensure adequate hormone supply; correct cofactor deficiencies; calm the autonomic nervous system; build muscle; and remove friction points such as pain, inflammation, and poor sleep. When we combine personalized thyroid replacement, targeted nutrient therapy, and integrative chiropractic care within a metabolic rehabilitation framework, patients stop treading water and begin moving forward.

References

SEO tags: thyroid optimization, free T3, reverse T3, deiodinase enzymes, levothyroxine, liothyronine, T4 T3 combination therapy, desiccated thyroid, ferritin and thyroid, selenium thyroid, autonomic balance, integrative chiropractic care, HRV thyroid, lab timing thyroid, split dosing T3, Hashimoto’s treatment, metabolic rehabilitation, resistance training hypothyroidism, gut liver thyroid axis, suppressed TSH safety, Dr. Alexander Jimenez,