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Del Mar, CA

Integrative Thyroid Health: Your Complete 2026 Guide for Del Mar

A picture of Dr. Mark Stengler

Thyroid health plays a foundational role in how we feel and function each day. This small, butterfly-shaped gland influences nearly every major system of the body. When the thyroid is out of balance—even slightly—people often experience changes in metabolism, mood, energy, weight, temperature regulation, and overall hormonal stability.

In coastal communities like Del Mar, thyroid concerns have become increasingly common. Environmental toxins in water supplies, chronic stress associated with fast-paced lifestyles, and nutrient-depleted modern diets can all play a role in thyroid disruption. These factors may contribute to the rise in conditions such as hypothyroidism, Hashimoto’s disease, and subclinical thyroid dysfunction.

At the Stengler Center for Integrative Medicine, we approach thyroid health with a commitment to evidence-based, individualized care. Rather than relying on a single lab marker or symptom, we use comprehensive diagnostic testing, clinical expertise, and a whole-person perspective to identify the root causes of thyroid imbalance. Our integrative model prioritizes nutrition, lifestyle, natural therapies, and—when appropriate—bioidentical thyroid support to restore health safely and effectively.

Understanding the Thyroid: A Foundation for Whole-Body Wellness

What the Thyroid Does

The thyroid serves as the body’s metabolic command center. When functioning optimally, it:

  • Regulates metabolism, influencing how efficiently the body converts calories into energy.
  • Supports cardiovascular function, affecting heart rate and circulation.
  • Influences brain health and emotional balance, contributing to concentration, memory, and mood stability.
  • Plays a central role in hormonal stability, interacting closely with adrenal, reproductive, and metabolic systems.

Because the thyroid interacts with so many organs and systems, even subtle dysfunction can have widespread effects.

Key Thyroid Hormones

To understand thyroid health clearly, it’s essential to recognize the primary hormones involved:

  • TSH (Thyroid-Stimulating Hormone): Produced by the pituitary gland to signal how hard the thyroid should work.
  • Free T4: The primary hormone released by the thyroid; serves as the “storage form” of thyroid hormone.
  • Free T3: The active hormone responsible for metabolic activity in cells.
  • Reverse T3: A metabolite that blocks active T3; often elevated during stress or chronic illness.
  • Thyroid Antibodies (TPO, TgAb): Elevated levels may indicate autoimmune thyroid disease, especially Hashimoto’s.

Evaluating all these markers—rather than relying on a single value—provides a clearer understanding of a patient’s true thyroid function.

The Most Common Thyroid Conditions Seen in Del Mar

Hypothyroidism

Hypothyroidism occurs when the thyroid does not produce enough thyroid hormone. Common symptoms include:

  • Persistent fatigue
  • Stubborn weight gain
  • Hair thinning or loss
  • Dry skin
  • Low or fluctuating mood

Many patients are told their thyroid is “normal” based on limited lab work—even though they exhibit classic symptoms. Integrative practitioners frequently diagnose early-stage or mild hypothyroidism that conventional screening may overlook.

Hashimoto’s Thyroiditis

Hashimoto’s is the most common cause of hypothyroidism in the United States. It is an autoimmune condition in which the immune system mistakenly attacks thyroid tissue.

Key integrative considerations include:

  • Identifying autoimmune triggers, including food sensitivities and environmental toxins
  • Supporting the immune system and reducing inflammation
  • Strengthening gut health, which plays a significant role in immune function

In Del Mar, added risk factors may include chronic stress and exposure to coastal pollutants, which can exacerbate autoimmune tendencies.

Subclinical Hypothyroidism

Subclinical hypothyroidism occurs when patients have symptoms of low thyroid function but their labs fall within “normal” ranges. This is especially common in women, individuals under chronic stress, and those with borderline nutrient deficiencies.

Integrative medicine emphasizes optimal ranges, not simply “normal” ones. Many patients experience relief only when thyroid function is brought into a truly optimal window.

Postpartum Thyroid Dysfunction

Pregnancy and childbirth place significant demands on the thyroid gland. Some women experience:

  • Thyroid inflammation
  • Fluctuating hormone levels
  • Symptoms of both hyperthyroidism and hypothyroidism
  • Postpartum fatigue that exceeds normal recovery

Nutrient deficiencies—particularly selenium, iron, and iodine—can contribute to postpartum thyroid instability. An integrative postpartum strategy includes replenishing key nutrients, supporting adrenal balance, optimizing gut health, and using targeted thyroid support when needed.

Integrative Thyroid Testing

At the Stengler Center for Integrative Medicine, we assess thyroid health with a full panel, allowing for a more accurate diagnosis and individualized care plan. This includes:

Core Thyroid Hormones

  • TSH: Reflects pituitary signaling to the thyroid.
  • Free T4: The hormone produced by the thyroid gland.
  • Free T3: The active form that drives metabolism and energy.

Reverse T3

High reverse T3 can block Free T3 from entering cells, often due to stress, inflammation, chronic illness, or low-calorie dieting.

Autoimmune Markers

  • TPO antibodies
  • Tg antibodies
    Elevated levels may indicate Hashimoto’s thyroiditis, even before thyroid hormone levels shift.

Nutrient Markers Influencing Thyroid Function

  • Ferritin (iron stores)
  • Iodine
  • Selenium
  • Vitamin D

These nutrients are essential for thyroid hormone production and immune balance.

Cortisol Assessment

Evaluating cortisol helps determine whether adrenal stress is affecting thyroid hormone conversion—a common issue we see in Del Mar’s high-paced, high-stress demographic.

Natural & Integrative Strategies for Thyroid Balance

Nutrition for Thyroid Support

Nutrition plays a key role in thyroid health. At the Stengler Center, we emphasize nutrient-dense foods that support hormone production and reduce inflammation.

Key nutrients include:

  • Selenium-rich foods: Brazil nuts, eggs, and sunflower seeds support antioxidant protection and T4-to-T3 conversion.
  • Iodine: Essential for hormone production, but balance is crucial—too much can exacerbate autoimmunity.
  • Zinc: Supports immune health and thyroid hormone synthesis.
  • Vitamin D: Vital for immune regulation, especially in Hashimoto’s.
  • Omega-3 fatty acids: Reduce inflammation and support cell membrane health.

An anti-inflammatory nutrition plan—rich in vegetables, lean proteins, healthy fats, berries, and herbs—helps support autoimmune thyroid conditions and overall metabolic health.

The Gut–Thyroid Connection

Leaky Gut and Hashimoto’s

A compromised gut lining can trigger immune activation, contributing to autoimmune thyroiditis.

Probiotics & Digestive Support

Probiotics help maintain a healthy microbiome, support immune balance, and improve nutrient absorption.

The GI–Immune Interaction

Approximately 70% of the immune system lies in the gut. When the gut is inflamed, the thyroid often suffers. This is why integrative thyroid care frequently includes gut healing protocols alongside hormone support.

The Adrenal–Thyroid Relationship

Stress Suppresses T3 Conversion

High cortisol levels—often caused by long-term stress—slow the conversion of T4 into active T3. Patients may feel hypothyroid even when labs appear normal.

Lifestyle Strategies Rooted in Christian Principles

Simple, restorative practices can help regulate stress hormones:

  • Daily gratitude reflection
  • Prayer for peace and grounding
  • Intentional rest and Sabbath principles
  • Deep breathing and mindful slowing

Why Cortisol Testing Matters

If a patient has persistent thyroid symptoms despite treatment, we evaluate cortisol to ensure adrenal health is not undermining progress.

Environmental Detox Support

Reducing Endocrine Disruptors

Common disruptors include plastics, pesticides, synthetic fragrances, and household chemicals. Simple steps such as using glass containers, natural cleaning products, and organic produce can help.

Safe Sauna Use

Saunas—especially infrared—support detoxification and circulation when used appropriately.

Nutritional Detox Support

Supporting the liver and lymphatic system through cruciferous vegetables, hydration, herbal support, and targeted supplements helps the body process toxins effectively.

Bioidentical Thyroid Replacement for Personalized Care

What Is Bioidentical Thyroid Replacement?

Bioidentical thyroid hormones are structurally identical to the hormones the human thyroid naturally produces. Unlike some synthetic medications, bioidentical therapies can include both T4 and T3, allowing for more precise customization.

Research supports T4/T3 combination therapy for individuals who do not adequately convert T4 into active T3—an issue we frequently see in clinical practice.

When Bioidentical Hormones Are Beneficial

Bioidentical thyroid replacement may be particularly helpful for:

  • Patients who don’t respond to levothyroxine alone
  • Individuals with poor T4-to-T3 conversion
  • Patients with Hashimoto’s who need gentle, customized dosing

Compounded Thyroid Medications

Compounding allows us to create personalized ratios of T4 and T3 to match a patient’s unique needs.

Advantages include:

  • Avoiding fillers or additives that may trigger sensitivities
  • Customizing doses that are not commercially available
  • Supporting patients with autoimmune or digestive issues who may not tolerate standard formulations

Ensuring Safety & Monitoring

Bioidentical hormone therapy is both safe and effective when monitored correctly.

Our approach includes:

  • Regular laboratory testing to assess hormone balance
  • Dose adjustments based on symptoms, not just lab ranges
  • Ongoing evaluation of nutrition, stress levels, and contributing factors

Take the Next Step Toward Thyroid Balance

Thyroid imbalance can feel overwhelming, especially when symptoms persist despite previous testing or treatment. But with a thorough, integrative, and personalized approach, thyroid conditions are highly manageable—and in many cases, dramatically reversible. When we address the true root causes—nutrient deficiencies, gut health, adrenal imbalance, inflammation, autoimmune triggers, and hormonal disruption—patients often regain the energy, clarity, and vitality they thought they had lost for good.

If you’re experiencing symptoms of thyroid imbalance or want a more comprehensive, integrative approach to your health, the Stengler Center for Integrative Medicine is here to help. Our team supports patients throughout Del Mar, Encinitas, La Jolla, Carlsbad, Rancho Santa Fe, and the greater San Diego region.

Contact the Stengler Center for Integrative Medicine

📍 324 Encinitas Blvd, Encinitas, CA 92024
📞 Phone: 760-274-2377
📞 Toll-Free: 855.DOC.MARK
📧 Email: clinic@markstengler.com
🌐 Website: https://www.markstengler.com/contact

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