top of page
Writer's pictureDr. Leila Doolittle

Understanding Hormone, Adrenal, and Thyroid Health: The Hidden Powers Behind Your Body’s Energy and Vitality


In a world that constantly demands more of us—whether it's the endless cycle of work, family, or social obligations—our body's internal systems are often pushed to their limits. But the secret to how we thrive and how we can tap into a life full of optimal health lies within some often-overlooked biological systems: hormones, adrenal glands, and the thyroid.


While the importance of these hormones and their functions is widely known, the intricate, interconnected dance they perform often remains under appreciated. This blog will break down these systems, explore their profound effects on our well-being, and provide insight into how we can optimize them for peak performance. And trust me, there will be some mind-blowing moments along the way.



Hormones: The Body’s Chemical Messengers

Hormones are the body’s natural messengers, controlling everything from metabolism and growth to mood, reproduction, and stress response. Think of them as the CEOs of the body's operations—each one playing a crucial role in ensuring everything runs smoothly. Yet, even with their critical importance, many people don’t realize just how much hormone imbalances can affect daily life, especially as we age.


Did you know that our body has over 50 different hormones? Each one has a distinct role to play, regulating everything from the function of our reproductive system to the way our body processes nutrients.

Hormonal imbalance can manifest in a myriad of ways: fatigue, brain fog, weight gain, anxiety, low libido, and even skin changes. But here’s the kicker—many people don’t connect these symptoms to their hormones because they think it’s just "life" or “getting older.”


Think about this: 90% of serotonin—often called the “feel-good” hormone—is produced in your gut, not your brain. Your hormones don’t just affect your energy and mood—they shape the entire landscape of your body’s function, and they do so in ways that are so interconnected, it’s almost like a grand biological symphony. One misplaced note, and the entire orchestra can sound off.


Adrenal Health: The Body's Stress Response and Vitality

The adrenal glands are tiny but mighty. Located on top of your kidneys, they release hormones that control your body’s fight-or-flight response, regulate salt and water balance, and even influence your metabolism.


The Power of Cortisol: The Body’s Stress Warrior

Cortisol is the most well-known adrenal hormone, and for a good reason—it’s the body’s primary stress hormone. But cortisol isn’t just a “bad guy” to blame for your high-stress moments; it serves a critical purpose. When faced with a stressful situation, cortisol spikes to help mobilize energy, increase alertness, and prepare the body to handle immediate danger.


If your body is constantly under stress, your adrenal glands will continue pumping out cortisol, leading to a phenomenon known as adrenal burnout. This state can leave you feeling exhausted, mentally foggy, and drained of energy.

Adrenal Fatigue: A Concept Shrouded in Controversy

While adrenal fatigue is not formally recognized by mainstream medicine, it’s a real issue many people experience. Chronic stress over time can exhaust the adrenal glands, leaving them unable to produce enough cortisol, DHEA, and other important hormones to keep you energized and balanced.


If you’re feeling like you’re “running on empty,” it might be more than just a busy schedule—it could be the result of adrenal fatigue. The symptoms include:

  • Persistent fatigue even after a full night’s sleep

  • Brain fog and difficulty concentrating

  • Hormonal imbalances, such as irregular periods or low libido

It’s time to give your adrenal glands some much-needed TLC.


Adaptogens, like Rhodiola and Ashwagandha, are a great place to start. These herbs help to support the body’s stress response and balance cortisol production. And don’t forget about the basics—getting enough sleep, practicing mindfulness, and eating nutrient-dense foods are essential for adrenal health.


Thyroid Health: The Metabolism Mastermind

The thyroid gland, located in your neck, plays a crucial role in regulating metabolism, energy production, and even mood. But the thyroid is often overlooked, even though it affects nearly every cell in the body.


Hypothyroidism and Hyperthyroidism: The Two Extremes

  • Hypothyroidism (underactive thyroid) is characterized by the thyroid’s inability to produce enough hormones (T3 and T4). The symptoms? Slow metabolism, fatigue, weight gain, and brain fog. It’s like your body’s engine is running on low power.

  • Hyperthyroidism (overactive thyroid) is the flip side. When the thyroid produces too much thyroid hormone, your metabolism speeds up uncontrollably, leading to weight loss, anxiety, rapid heartbeat, and even muscle weakness.


The Thyroid's Hidden Enemy: Autoimmune Disease

Two autoimmune conditions, Hashimoto's thyroiditis (hypothyroidism) and Graves' disease (hyperthyroidism), can wreak havoc on thyroid function. In Hashimoto’s, the immune system attacks the thyroid, leading to its gradual destruction. In Graves’ disease, the immune system causes the thyroid to become overactive.


Did you know that up to 60% of people with thyroid disease are unaware of it? Most don’t realize that their symptoms are linked to thyroid dysfunction until a comprehensive thyroid test is conducted.

Supporting Thyroid Health

Supporting thyroid health requires a multifaceted approach:

  1. Nutritional Support: Key nutrients like selenium, zinc, iodine, and vitamin D play essential roles in thyroid hormone production.

  2. Gut Health: The gut is crucial for thyroid function, as around 20% of T4 is converted into the active thyroid hormone T3 in the gut.

  3. Sleep and Stress Management: The thyroid and adrenal glands are linked—prolonged stress can disrupt both thyroid and adrenal function. Adequate sleep and effective stress management are key.


Iodine deficiency is one of the most common causes of thyroid disorders worldwide. In fact, over 2 billion people worldwide suffer from iodine deficiency, and this can severely affect thyroid function.

The Intricate Connection Between the Adrenals, Thyroid, and Hormones

While we’ve discussed each system separately, the true magic happens when these systems work in harmony.

  • Stress and Thyroid Health: Chronic stress, and the cortisol produced by the adrenal glands, can inhibit the conversion of T4 to T3, the active thyroid hormone. This leads to symptoms of hypothyroidism, even when your thyroid gland is functioning normally.

  • Cortisol and Hormonal Imbalance: High cortisol levels can disrupt the balance of sex hormones like estrogen and progesterone, leading to issues such as PMS, menstrual irregularities, and even conditions like PCOS (polycystic ovary syndrome).


Practical Takeaways for Optimal Hormonal Health

  1. Test and Evaluate: Regular blood tests for thyroid function (TSH, Free T3, Free T4) and adrenal health (salivary cortisol tests) can give you a clear picture of where you stand.

  2. Nourish Your Body: Eating a nutrient-dense, whole-food diet rich in antioxidants, healthy fats, and micronutrients is foundational. Adaptogenic herbs, vitamins, and minerals will support your adrenal and thyroid function.

  3. Prioritize Sleep and Stress Management: Deep, restorative sleep, along with daily practices such as meditation, yoga, and breathwork, will help to balance cortisol levels and keep your thyroid in check.




Lab Testing for Hormones from a Functional Medicine Perspective


Hormones, adrenal function, and thyroid health are fundamental drivers of your body’s systems, yet many conventional doctors fail to order the necessary tests that provide a complete picture.


If your doctor isn’t ordering comprehensive hormone panels, they’re missing a crucial piece of the puzzle when it comes to understanding your overall health. It’s like trying to diagnose a problem in a car’s engine without ever checking the oil or the spark plugs.

Standard blood tests might show basic markers, but they don’t delve deep enough into the fluctuations and balance between various hormones. Without a comprehensive thyroid panel, FSH and LH for fertility, or testing for adrenal metabolites, you’re only getting half of the story—and it’s impossible to treat the root cause of symptoms if you don’t know what’s going wrong at the cellular and metabolic levels.


A comprehensive thyroid panel is essential for anyone experiencing fatigue, brain fog, or weight changes. It includes not just TSH, but Free T3, Free T4, and Reverse T3, which provide deeper insight into how the thyroid is functioning. Reverse T3, for example, can reveal if your body is producing thyroid hormones that are not usable, potentially due to stress or other factors. When it comes to fertility, testing FSH and LH levels is paramount. These hormones control the menstrual cycle and ovulation, and abnormal levels can indicate issues with ovarian reserve, ovulation, or the pituitary gland’s function.


But it doesn’t stop there. Cortisol, the body’s primary stress hormone, is only understood in its full context when tested multiple times throughout the day. Cortisol levels naturally fluctuate throughout the day—rising in the morning and tapering off by evening.


Salivary testing offers the best insight here, providing a dynamic snapshot of cortisol and its non-active form, cortisone, over a 24-hour period. Without testing at multiple points, you can’t accurately assess adrenal function or identify issues like adrenal fatigue or dysregulated stress response.

Similarly, testing adrenal precursors and metabolites in urine or saliva ensures you’re not missing out on how your adrenal glands are synthesizing hormones like DHEA, which play a pivotal role in energy and longevity. Comprehensive testing across the day and multiple body systems is the only way to ensure you’re getting an accurate, actionable diagnosis of your hormonal health.



Schedule a Functional Medicine Comprehensive Evaluation Session to Discover the True Root Causes to Hormone Dysfunction


A comprehensive functional medicine evaluation can be instrumental in formulating a personalized health plan aimed at restoring hormonal balance effectively.


By thoroughly assessing your medical history, lifestyle factors, and conducting detailed laboratory tests—including comprehensive panels for thyroid function, adrenal health, and sex hormones—a functional medicine practitioner can identify the underlying causes of hormonal imbalances.

This holistic approach enables the development of a tailored strategy that may include nutritional guidance, stress management techniques, targeted supplementation, and lifestyle modifications.


With these individualized interventions, many people begin to notice improvements in their hormonal health within a few weeks to a few months. By addressing the root causes rather than just the symptoms, a functional medicine evaluation empowers you to take proactive steps toward achieving optimal hormonal balance and overall well-being. It's important to work closely with a qualified healthcare professional to ensure that any health plan is appropriate for your specific needs.





A Call to Action for Hormonal Wellness

Your body is a finely-tuned machine, and the trio of hormones, adrenal function, and thyroid health are the driving forces behind your vitality. By understanding the intricate relationships between these systems, you can unlock the full potential of your body and live a life full of energy, clarity, and resilience.


So, remember this: When you nourish your hormones, your body will thank you—not just with vitality, but with the mental clarity, energy, and well-being to tackle anything life throws your way. It’s time to give these unsung heroes of health the attention they deserve.

20 views0 comments

Commentaires

Noté 0 étoile sur 5.
Pas encore de note

Ajouter une note
bottom of page