Hormones: Key to a Stronger Gut-Immune System for the Body

Delve into the fascinating world of hormones and their vital role in maintaining a healthy gut-immune system.

Abstract

In this educational post, I guide you through a practical, evidence-informed journey into the gut microbiome, intestinal barrier, and hormone metabolism, and show how integrative chiropractic care complements functional medicine to improve outcomes. Drawing from my clinical observations at pushasrx.com and my professional updates on LinkedIn, I explain why the gut sits at the center of immune function, neuroendocrine balance, and cardiometabolic health; how dysbiosis drives systemic inflammation and insulin resistance; and why some patients do not thrive despite “perfect” diets and supplement plans. I present modern, evidence-based methods—microbiome testing, precision nutrition, circadian alignment, stress physiology, safe, progressive exercise, and targeted nutraceuticals such as DIM, omega-3s, vitamin D-K2-A, iodine, selenium, and shilajit—to restore gut health, recalibrate hormones, and deliver measurable improvements. Throughout, I show where integrative chiropractic care fits: vagal regulation, autonomic balance, biomechanical optimization, rib-diaphragm mechanics, and pain modulation, all of which reduce sympathetic overdrive and enhance GI motility and endocrine resilience.

Why I Moved From Medication-Centric Care To Mechanism-Guided, Whole-Person Practice

Early in my career, I followed guideline-driven protocols for diabetes, thyroid disease, and weight management. We hit numbers, but too often patients did not feel well. Many added prescriptions without subtracting them. That dissonance pushed me to ask: Why are some patients not getting better?

As I centered clinical reasoning on the gut, outcomes changed. Patients reported fewer GI symptoms, steadier energy, improved mood and skin, more reliable weight loss, and better metabolic markers—often with fewer medications. The physiology behind these shifts is profound: the gut’s microbiome, mucosal immune system, tight junctions, and enteric-autonomic network orchestrate digestion, detoxification, endocrine signaling, and inflammation (Lynch & Pedersen, 2016; Belkaid & Hand, 2014).

• The microbiome produces short-chain fatty acids (SCFAs), such as butyrate, to regulate gene expression, barrier integrity, and immune tone.
• The intestinal barrier (tight junctions, mucus, secretory IgA) controls what enters circulation and what stays out (Camilleri, 2019).
• The GALT (gut-associated lymphoid tissue) governs immune surveillance and tolerance.
• The enteric/autonomic nervous systems link gut function bidirectionally to the brain and endocrine organs (Fülling et al., 2019).

When these systems drift due to ultra-processed foods, poor sleep, stress, PPIs, antibiotics, alcohol, infections, or environmental toxins, we see dysbiosis, increased intestinal permeability, and low-grade inflammation. Downstream effects include immune dysregulation, insulin resistance, altered estrogen metabolism via the estrobolome, impaired thyroid conversion, mood shifts, and nutrient malabsorption (Cani et al., 2007; Plottel & Blaser, 2011; Virili & Centanni, 2015).

The Gut-Hormone Axis: How Dysbiosis Raises Inflammation And Reshapes Endocrine Signaling

The gut’s ecology influences hormones at multiple levels:

• Immune-inflammation link: Lipopolysaccharide (LPS) crossing a leaky barrier activates TLR4 and NF-κB, elevating cytokines that blunt insulin signaling and alter thyroid conversion (Cani et al., 2007; Duntas & Brenta, 2018).
• Estrogen metabolism: Microbial beta-glucuronidase deconjugates estrogens in the colon, enabling enterohepatic recirculation and sustaining estrogen burden; this estrobolome dynamic can aggravate PMS, mastalgia, and proliferative states (Plottel & Blaser, 2011).
• Thyroid physiology: Dysbiosis and inflammation reduce deiodinase activity (T4→T3), while malabsorption impairs iodine, selenium, magnesium, and iron uptake critical for thyroid function (Virili & Centanni, 2015).
• Mood and neuroendocrine balance: Microbial metabolites (SCFAs and tryptophan derivatives) influence vagal tone, glial activity, and neurotransmission (Foster et al., 2017; Gao et al., 2020).

Clinically, when we reduce LPS load, restore barrier integrity, and increase SCFA production, inflammatory tone falls, insulin sensitivity improves, and endocrine rhythms stabilize. Patients stop “crashing” after meals, sleep better, and experience steadier energy.

Defining Dysbiosis And Why It Matters For Real Patients

I explain dysbiosis as loss of diversity and balance: too few SCFA producers (Faecalibacterium, Roseburia), too many opportunists (Proteobacteria), and disrupted motility such as SIBO patterns (Rezaie et al., 2017). The consequences:

• Less butyrate, weaker tight junctions, more permeability, and inflammatory drift (Koh et al., 2016).
• More LPS and immune activation that raises hs-CRP, worsens TG/HDL ratios, and elevates postprandial glucose excursions (Boutagy et al., 2016).
• SIBO produces gas and causes carbohydrate malabsorption, leading to bloating, irregular stools, and nutrient deficiencies despite “lean” diets.

In my practice, correcting dysbiosis and rebuilding the barrier often turns “non-responders” into responders within 6–12 weeks as inflammation eases and absorption improves.

Modulating Women’s Hormones- Video

How Integrative Chiropractic Care Fits: Vagal Tone, Autonomics, And Mechanotransduction

Chiropractic care is far more than joint work—it is nervous-system care. The vagus nerve and autonomic balance profoundly influence gut motility, secretions, barrier integrity, and inflammation. My integrative approach brings neuromusculoskeletal methods together with functional medicine to modulate the gut-brain-immune axis.

• Autonomic regulation: Gentle cervical/thoracic adjustments, rib-diaphragm mobility, and cranial techniques help balance sympathetic/parasympathetic tone. Higher vagal tone supports motility, gastric acid output, pancreatic enzymes, and the cholinergic anti-inflammatory pathway (Bonaz et al., 2018; Breit et al., 2018).
• Biomechanical optimization: Thoracoabdominal mechanics and lumbar-pelvic alignment influence intra-abdominal pressure dynamics, lymphatic return, and visceral motility.
• Pain modulation: Reducing nociceptive input lowers sympathetic overdrive—a common driver of dysmotility and dyspepsia. Patients tolerate movement, sleep, and nutrition prescriptions better.

Clinical observation: When I pair targeted spinal and soft-tissue care with breath training and walking-based zone-2 cardio, patients report earlier improvements in bloating, bowel regularity, and stress resilience. Autonomic balance is the multiplier.

Estrogen Metabolism, DIM, And Safer Pathways

Every estrogen molecule must be metabolized and cleared through hepatic phase I (hydroxylation) and phase II (methylation, glucuronidation, sulfation), then excreted via bile and stool. We aim to favor 2-hydroxy pathways and robust methylation to minimize 4-hydroxy quinone formation and proliferative 16-hydroxy signaling (Cavalieri & Rogan, 2011).

• Key targets: Increase 2-hydroxylation (CYP1A1), limit 4-hydroxylation (CYP1B1), and support COMT-mediated methylation with methylfolate and methylcobalamin.
• DIM (diindolylmethane): A crucifer-derived bioactive that shifts metabolism toward 2-hydroxyestrone and away from 4-hydroxy, while influencing ERα/ERβ and NF-κB/AhR signaling (Reed et al., 2006; Le et al., 2021). Clinically, DIM reduces mastalgia and PMS and improves 2:16 ratios in estrogen-dominant phenotypes (Thomson et al., 2012).

Why this matters: Lowering catechol quinones decreases oxidative stress and DNA adduct formation. Supporting methylation ensures those catechols are safely neutralized and excreted. I typically start women at 150 mg/day DIM (range 100–300 mg/day) and men at 300 mg/day, pairing with a methylated B complex and adjusting based on urinary estrogen metabolites and symptoms.

Shilajit And Free Testosterone: Sustaining Bioavailability Without Dose Escalation

Many patients on pellets or transdermal testosterone feel great early, then hit a wall while total testosterone remains adequate. The issue is often free testosterone, the bioactive fraction. Purified shilajit (rich in fulvic acids and dibenzopyrones) has demonstrated increases in both total and free testosterone in randomized, placebo-controlled trials (Pandit et al., 2016), likely by improving mitochondrial function, redox signaling, and steroidogenesis efficiency.

• Typical dosing: 250 mg twice daily with meals.
• Clinical observation: In patients whose free T drops late in a cycle, adding shilajit stabilizes free T, extending symptomatic relief without escalating hormone dosing (consistent with androgen and mitochondrial physiology). I monitor CBC, lipids, liver enzymes, and SHBG alongside symptom scores.

Why this matters: Stabilizing free T supports energy, libido, mood, and cognitive clarity while minimizing side effects from dose increases. In PCOS and androgen-excess phenotypes, I avoid raising free T and instead focus on insulin sensitizers, omega-3s, magnesium, and vitamin D (Teede et al., 2018).

Vitamin D-K2-A Synergy, Iodine, Selenium, And The Thyroid-Gut Connection

Micronutrients shape endocrine resilience:

• Vitamin D3: A secosteroid hormone with widespread VDR expression. It supports calcium-phosphate metabolism, immune tolerance (Treg induction), endothelial function, and musculoskeletal performance. Functional targets often range 40–60 ng/mL 25(OH)D; dosing commonly 2,000–5,000 IU/day with fat, tailored to labs, with magnesium for enzyme function and K2/A for calcium trafficking and RXR synergy (Bouillon et al., 2019; Autier et al., 2017).
• Vitamin K2 (MK-7): Activates osteocalcin and matrix Gla protein, guiding calcium into bone and away from vessels; typical ranges 100–200 mcg/day, individualized (Knapen et al., 2015; Schurgers et al., 2013).
• Vitamin A: Modulates immune tolerance and osteoblast/osteoclast signaling via RXR; food-first with cautious supplementation as needed (Pino-Lagos et al., 2010).
• Iodine: Essential for T4/T3 synthesis; I start with dietary sources and, if supplementing, use microgram-range physiological dosing, ensuring selenium sufficiency first to neutralize H2O2 generated during organification (Zimmermann & Andersson, 2012).
• Selenium: Powers glutathione peroxidases and deiodinases; in Hashimoto’s, 100–200 mcg/day selenomethionine may reduce TPOAb and support conversion (Winther et al., 2020).

Why this matters: Without selenium, iodine can amplify oxidative load in thyrocytes. Without K2, vitamin D–enhanced calcium can calcify vessels. Without magnesium, vitamin D metabolism falters. Integration of these cofactors improves bone, heart, immune, and thyroid outcomes.

The Estrobolome, Beta-Glucuronidase, And Daily Bowel Movements

When conjugated estrogens reach the colon, microbial beta-glucuronidase can deconjugate them, enabling reabsorption. Slow transit and dysbiosis raise estrogen burden. Ensuring one to two well-formed bowel movements daily is non-negotiable for hormone health.

• Fiber (25–35 g/day) binds conjugated compounds and promotes SCFA production.
• Hydration, magnesium (as needed), postprandial walks, and diaphragmatic mobility support motility.
• Probiotics (Lactobacillus, Bifidobacterium, Saccharomyces boulardii) and prebiotics (inulin, GOS, resistant starch) normalize beta-glucuronidase, strengthen the barrier, and reduce LPS load (Suez et al., 2019; Koh et al., 2016).

Clinical observation: Patients on HRT who experience bloating or tenderness often improve when we reduce enterohepatic recirculation—fiber diversity, probiotics, bile flow support, and motility work reduce symptoms without lowering therapeutic dosing.

Stepwise, Gut-First Clinical Roadmap: How We Build Durable Change

I use a structured, individualized plan that integrates nutrition, autonomic function, movement, and targeted supplements. Here is the framework that consistently delivers results:

• Assess

• History: early-life antibiotics, travel, PPIs/NSAIDs, alcohol, infections; bowel pattern, bloating, skin, mood, sleep, cycle.
• Diet/lifestyle: fiber diversity, protein distribution (aim 1.2–1.6 g/kg/day), ultra-processed load, hydration, sleep timing, stress.
• Labs: CBC, CMP, fasting insulin, HbA1c, lipids, hs-CRP; ferritin/iron panel, B12, folate, vitamin D, magnesium (RBC), TSH with free T4/T3, thyroid antibodies as indicated.
• Advanced: comprehensive stool analysis (diversity, SCFAs, elastase, calprotectin, beta-glucuronidase), SIBO breath testing (Rezaie et al., 2017).

• Remove and Reduce

• Nutrition reset: remove alcohol and ultra-processed foods; reduce refined sugars; temporarily pause common triggers (gluten, dairy, industrial seed oils) for 3–4 weeks.
• Antimicrobial phase, if indicated (botanicals such as berberine; Rx under supervision).
• Medication review: reassess long-term PPIs/NSAIDs; deprescribe when safe, replacing with lifestyle and GI-supportive strategies.

• Rebuild the Barrier

• Mucosal supports: L-glutamine, zinc carnosine, omega-3s, vitamin D, polyphenols (curcumin, quercetin) (Camilleri, 2019).
• SCFA support: diverse fibers and fermented foods to raise butyrate (Koh et al., 2016; Wastyk et al., 2021).
• Probiotics matched to phenotype (e.g., Bifidobacterium longum for motility and mood).

• Re-seed and Re-train

• Diversity diet: 30+ plant types/week, herbs, spices, legumes, tubers, nuts, seeds, polyphenols.
• Bile acid flow: bitter greens (arugula, dandelion), taurine/glycine, adequate protein to support FXR/TGR5 signaling (Ridlon et al., 2014).
• Meal timing: 12–14-hour overnight fast, consistent meal windows, morning light, regular sleep (Sutton et al., 2018; Thaiss et al., 2016).

• Regulate The Nervous System And Move

• Chiropractic integration: cervicothoracic adjustments, rib and diaphragm mobility, soft tissue work for psoas/QL/abdominal wall.
• Breath training: 4–6 breaths/min for 5–10 min/day; nasal breathing; longer exhalations to train vagal tone.
• Exercise dosing: zone-2 cardio 120–150 min/week; 2–3 strength sessions; progressive loading for hips/thoracic spine to improve insulin sensitivity and lymphatic flow.

• Rebalance Hormones With The Gut In Mind

• Estrogen: if beta-glucuronidase is high, increase calcium D-glucarate foods/supplementation and fiber; emphasize crucifers for glucosinolates.
• Thyroid: treat malabsorption/dysbiosis; correct selenium and iron; ensure adequate protein; time levothyroxine away from minerals/high-fiber meals.
• Insulin/cortisol: anchor meals with protein/fiber; morning light; postprandial walks; manage late-evening eating.

Why this works: Barrier integrity and SCFA levels are the hinge on which systemic inflammation and endocrine stability turn. Autonomic balance and skeletal muscle function drive motility, glycemic control, and resolution of inflammation.

PCOS And Endometriosis: Applying The Gut-Hormone Framework

• PCOS: Dysbiosis elevates LPS, driving inflammation and insulin resistance, which raises ovarian androgen output. Lower SCFA production weakens epithelial integrity and GLP-1 signaling (Cani et al., 2007; Ding & Hardiman, 2017). I prioritize insulin sensitizers (dietary changes, inositols), omega-3s, magnesium, vitamin D, and probiotic/prebiotic strategies. DIM is individualized; shilajit is usually avoided if raising free T is undesirable (Teede et al., 2018; Karamali et al., 2018).
• Endometriosis: Dysbiosis and elevated beta-glucuronidase foster estrogen recirculation, feeding ectopic lesions; barrier dysfunction amplifies peritoneal inflammation and pain (Ata et al., 2019; Leonardi et al., 2020). I target gut repair, estrogen clearance (fiber, bile flow, probiotics, calcium D-glucarate), and pain modulation via manual therapies and autonomic strategies.

Clinical observation: Many women with acne, cycle irregularity, and estrogen-dominant symptoms show high beta-glucuronidase and dysbiotic markers; gut-first repair and estrogen pathway support ease symptoms within 1–3 cycles.

Vitamin D, K2, A, Iodine, Selenium: A Practical Supplement Roadmap

• Vitamin D3 with fat

• Baseline 25(OH)D; then 2,000–5,000 IU/day. If ≤20 ng/mL, consider a short higher phase (e.g., 10,000 IU/day) followed by retesting at 8–12 weeks (Autier et al., 2017; Bouillon et al., 2019).

• Pair with:

• Magnesium 200–400 mg/day (glycinate/taurate).
• K2 (MK-7) 100–200 mcg/day.
• Vitamin A primarily from diet; supplement cautiously when needed (Pino-Lagos et al., 2010).

• Selenium:

• 100–200 mcg/day selenomethionine; reassess antibodies and symptoms at 3–6 months (Winther et al., 2020).

• Iodine:

• Dietary first; if supplementing, start low (150–300 mcg/day), ensure selenium repletion, and monitor thyroid labs and antibodies (Zimmermann & Andersson, 2012).

• DIM:

• Women 100–300 mg/day; men 300 mg/day; pair with methylated B complex for COMT support (Reed et al., 2006; Thomson et al., 2012).

• Shilajit:

• 250 mg twice daily in select cases to maintain free T; monitor SHBG, CBC, lipids, liver enzymes (Pandit et al., 2016).

• Omega-3s:

• EPA/DHA to reduce NF-κB signaling and improve insulin sensitivity (Calder, 2017).

• Sulforaphane:

• Broccoli seed extract to activate Nrf2 and enhance phase II detoxification (Clarke et al., 2008).

Why these choices: They address the biochemical levers—enzyme cofactor sufficiency, safer estrogen pathways, mitochondrial steroidogenesis, anti-inflammatory signaling, and barrier repair—that determine whether hormones signal cleanly or under duress.

Circadian Rhythm, Meal Timing, And Microbiome Oscillations

Gut microbes oscillate with host feeding/fasting cycles. Irregular timing perturbs gluconeogenesis and lipid metabolism. Morning light, consistent meals, and consolidated sleep stabilize these rhythms and improve glycemic control (Thaiss et al., 2016; Sutton et al., 2018).

Practical anchors:

• 12–14-hour overnight fast.
• Protein-forward breakfast (30–40 g).
• Postprandial 10-minute walks.
• Screens down and lights dimmed before bed; cool, dark sleep environment.

Clinical observation: When circadian anchors are in place, CGM traces flatten, HRV rises, and patients report fewer late-night cravings and better morning energy.

Measuring Progress: Objective And Subjective Markers

• Symptoms: bloating, stool regularity, energy after meals, sleep continuity, acne, cycle regularity, and mood stability.
• Biomarkers: hs-CRP, fasting glucose/insulin, HOMA-IR, TG/HDL, 25(OH)D, stool SCFAs/zongulin/beta-glucuronidase, urinary estrogen metabolites (2/4/16 balance).
• Autonomic metrics: HRV trends reflecting vagal tone; improvements often correlate with GI relief.
• Movement capacity: grip strength, walking tolerance, progressive loading adherence.

Why it matters: We track what we aim to improve—less inflammation, better metabolic flexibility, safer hormone pathways, stronger autonomic resilience.

Clinical Observations From My Practice

• The supplement paradox: Without bile flow, pancreatic elastase, and mucosal integrity, absorption lags, and dozens of supplements underperform. Restoring digestion and barrier function lets smaller, targeted plans work—and labs improve.
• The 25% non-responder: About a quarter of “clean diet” patients still struggle. Systematically evaluating SIBO, H. pylori, fungal overgrowth, stealth infections, mold exposure, sleep apnea, and circadian disruption helps identify most root causes. Addressing them shifts weight stalls, mood, and GI symptoms within 6–12 weeks.
• Stress is a gut variable: High sympathetic tone reduces mucosal blood flow and motility. Adding chiropractic care, breathwork, and gentle movement early accelerates GI responsiveness—even before diet is perfect—so patients feel wins sooner and stay engaged.

I regularly share case reflections and protocols on pushasrx.com and my LinkedIn profile, highlighting practical ways we combine neuromusculoskeletal care, precision nutrition, and targeted supplementation to achieve durable change.

When To Refer And Collaborate

• Alarm features: unintentional weight loss, GI bleeding, anemia, persistent fever, progressive dysphagia warrant GI evaluation and possible endoscopy.
• Complex cases: refractory SIBO, IBD, severe bile acid malabsorption, celiac disease, and suspected mast cell activation benefit from collaboration with gastroenterology, allergy/immunology, and nutrition.
• Mental health: moderate-to-severe depression or anxiety merits integrated behavioral health care alongside gut and lifestyle work (Foster et al., 2017).

Key Takeaways

• The gut is the governor of metabolic, immune, and neuroendocrine function.
• Centering care on the microbiome, barrier integrity, SCFAs, and circadian alignment—while leveraging integrative chiropractic methods—transforms outcomes.
• Safer estrogen pathways (via DIM, methylation, fiber, bile flow) and sustained free testosterone (via purified shilajit in appropriate cases) improve lived experience, not just lab numbers.
• Micronutrient synergy (vitamin D-K2-A, magnesium, iodine, and selenium) is essential for bone-heart-immune harmony and thyroid safety.
• Autonomic and biomechanical optimization is the multiplier that lets nutrition and supplements deliver.

References

• American Journal of Gastroenterology: Hydrogen and methane-based breath testing in gastrointestinal disorders (Rezaie et al., 2017).
• Biochimica et Biophysica Acta: Molecular targets and anticancer potential of indole-3-carbinol and its derivatives (Aggarwal & Ichikawa, 2005).
• BMJ: Vitamin D supplementation to prevent acute respiratory infections (Martineau et al., 2017).
• Cell: From dietary fiber to host physiology: Short-chain fatty acids as key metabolites (Koh et al., 2016).
• Cell: Role of the microbiota in immunity and inflammation (Belkaid & Hand, 2014).
• Cell: The human intestinal microbiome in health and disease (Lynch & Pedersen, 2016).
• Cell Metabolism: Early time-restricted feeding improves insulin sensitivity (Sutton et al., 2018).
• Endocrine Reviews: Skeletal and extraskeletal actions of vitamin D (Bouillon et al., 2019).
• Endocrinology: Microbiome and estrobolome in health and disease (Plottel & Blaser, 2011).
• Frontiers in Endocrinology: Gut microbe to brain signaling (Fülling et al., 2019).
• Frontiers in Molecular Biosciences: Impact of the gut microbiota on the regulation of tryptophan metabolism (Gao et al., 2020).
• Human Reproduction: The endobiota study: microbiota in endometriosis (Ata et al., 2019).
• Human Reproduction Update: Endometriosis and the microbiome (Leonardi et al., 2020).
• Journal of Internal Medicine: Vagus nerve stimulation in IBD (Bonaz et al., 2018).
• Journal of Nutrition: Cruciferous vegetable intake and breast cancer survivorship (Thomson et al., 2012).
• Maturitas: Metabolism of estrogens and its impact on breast carcinogenesis (Seeger et al., 2020).
• Nature Reviews Cancer: Sulforaphane as a chemoprotective bioactive of broccoli (Clarke et al., 2008).
• Nature Reviews Immunology: Intestinal immune system regional specialization (Mowat & Agace, 2014).
• Neurobiology of Stress: Stress and the gut–brain axis (Foster et al., 2017).
• Nutrition & Metabolism: Short-chain fatty acids and metabolic health (Liu et al., 2017).
• Phytotherapy Research: Shilajit and mitochondrial bioenergetics (Carrasco-Gallardo et al., 2012).
• Thyroid: Selenium supplementation meta-analysis in Hashimoto’s (Winther et al., 2020).
• The Lancet Diabetes & Endocrinology: Vitamin D supplementation and non-skeletal disorders (Autier et al., 2017).
• Thrombosis and Hemostasis: MK-7 improves arterial stiffness (Knapen et al., 2015).
• Journal of the National Cancer Institute: Microbiome and estrobolome (Plottel & Blaser, 2011).
• American Journal of Physiology-Endocrinology and Metabolism: Diet-induced endotoxemia (Boutagy et al., 2016).
• Clinical Gastroenterology and Hepatology: Leaky gut mechanisms (Camilleri, 2019).
• Current Opinion in Gastroenterology: Bile acids and the gut microbiome (Ridlon et al., 2014).
• International Journal of Molecular Sciences: Multifaceted effects of DIM (Le et al., 2021).
• Andrologia: Purified shilajit increases testosterone (Pandit et al., 2016).
• Biochemical Society Transactions: Omega-3s and inflammation (Calder, 2017).
• Cell: Microbiota rhythmicity programs host oscillations (Thaiss et al., 2016).
• Nutrients: Iodine fortification and supplementation history (Leung et al., 2011).
• Current Opinion in Endocrinology, Diabetes and Obesity: Global iodine status update (Zimmermann & Andersson, 2012).
• Cell: Gut-microbiota-targeted diets modulate human immune status (Wastyk et al., 2021).
• Endocrine: Gut microbiota modulates thyroid physiology (Virili & Centanni, 2015).

SEO tags: gut microbiome, dysbiosis, intestinal permeability, estrobolome, beta-glucuronidase, SCFAs, leaky gut, insulin resistance, thyroid health, Hashimoto’s, vitamin D, vitamin K2, vitamin A, iodine, selenium, DIM, shilajit, free testosterone, estrogen metabolism, PCOS, endometriosis, vagus nerve, integrative chiropractic, autonomic balance, HRV, bile acids, circadian rhythm, Nrf2, functional medicine, evidence-based medicine, Dr. Alexander Jimenez, pushasrx.com, LinkedIn