Your Thyroid and Adrenals: The Hidden Players in How You Feel
By Stephanie Zwonitzer, DNP | Revive Institute of Sexual Health
You've done everything right. You're sleeping (or trying to). You're eating reasonably well. You're exercising. And yet — you're exhausted, you can't lose weight, your mood is all over the place, and you feel like your body is working against you at every turn.
You've probably had your hormones checked. Maybe even your thyroid. And everything came back "normal."
Here's what I want you to know: normal and optimal are not the same thing. And two of the most overlooked players in how you actually feel every single day — your thyroid and your adrenal glands — are often hiding in plain sight on lab work that gets a passing grade when it absolutely shouldn't.
Let's talk about what these glands actually do, why they matter more than most people realize, and why at Revive, we never look at hormones in isolation.
Your Thyroid: The Master Regulator
Your thyroid is a small butterfly-shaped gland that sits at the base of your neck. Don't let the size fool you — this gland runs the show in ways that touch virtually every system in your body.
The thyroid produces two primary hormones — T3 (triiodothyronine) and T4 (thyroxine) — that regulate your metabolism, body temperature, heart rate, digestion, brain function, mood, and energy production. Essentially, your thyroid sets the pace for how fast or slow everything in your body runs.
When it's working optimally, you feel it — good energy, stable mood, healthy weight, clear thinking.
When it's not? Everything slows down. Or in some cases, revs up in ways that feel just as miserable.
Hypothyroidism: When the Brakes Are Stuck On
The most common thyroid condition is hypothyroidism — an underactive thyroid that isn't producing enough hormone to keep up with your body's demands. And it is extremely common, particularly in women.
Symptoms of hypothyroidism include:
Persistent fatigue and low energy even with adequate sleep
Weight gain or difficulty losing weight despite diet and exercise
Feeling cold all the time — cold hands, cold feet, just always cold
Brain fog, slow thinking, poor memory
Depression, low mood, emotional flatness
Dry skin, brittle nails, hair thinning or loss
Constipation and slow digestion
Muscle aches and weakness
Heavy or irregular periods in women
Low libido
Sound like a lot of the same symptoms as hormonal imbalance? That's not a coincidence — thyroid dysfunction and sex hormone imbalance frequently occur together, especially in perimenopause and menopause. When you're already dealing with declining estrogen or testosterone, an underperforming thyroid can make everything feel ten times worse.
The Problem With "Normal" Thyroid Testing
Here's where I get on my soapbox — because this is something that genuinely frustrates me as a clinician.
The standard thyroid test ordered by most doctors measures TSH — thyroid stimulating hormone. TSH is produced by your brain to tell your thyroid to make more hormone. It's a useful marker, but it's one piece of a much bigger picture.
What often doesn't get tested: free T3, free T4, reverse T3, and thyroid antibodies. These markers tell you what's actually happening at the cellular level — how much active thyroid hormone is available, whether your body is converting T4 to T3 properly, and whether your immune system is attacking your thyroid (a condition called Hashimoto's thyroiditis, the most common cause of hypothyroidism, which is almost always missed without antibody testing).
You can have a "normal" TSH and still have suboptimal free T3 levels, conversion problems, or early Hashimoto's that's making you feel terrible. Getting a passing grade on a single lab doesn't mean your thyroid is actually doing its job.
At Revive, we run a comprehensive thyroid panel — not just TSH — so we actually know what's going on.
Hyperthyroidism: When the Engine Is Redlining
On the flip side, hyperthyroidism is an overactive thyroid — producing too much hormone and pushing your body into overdrive. Less common than hypothyroidism, but just as disruptive.
Symptoms of hyperthyroidism include:
Racing heart or palpitations
Anxiety, nervousness, feeling wired or on edge
Unexplained weight loss despite normal or increased appetite
Excessive sweating and heat intolerance
Tremors or shakiness
Difficulty sleeping
Frequent bowel movements
Muscle weakness
If any of these resonate, thyroid function is absolutely worth investigating — especially because some of these symptoms overlap significantly with anxiety disorders, perimenopause, and other conditions that often get diagnosed first.
Your Adrenal Glands: The Stress Command Center
Now let's talk about the glands that often get even less attention than the thyroid — your adrenals.
The adrenal glands are two small glands that sit on top of your kidneys. They produce several critical hormones, including cortisol, adrenaline, DHEA, and small amounts of sex hormones. For the purpose of this conversation, cortisol is the star of the show.
Cortisol is your primary stress hormone. In acute situations — think running from a threat, responding to an emergency — cortisol is your best friend. It sharpens focus, mobilizes energy, and keeps you going when you need it most.
The problem is that your adrenal glands cannot tell the difference between running from a tiger and the daily relentless pressure of a demanding career, financial stress, difficult relationships, poor sleep, and a never-ending to-do list. To your adrenals, stress is stress — and modern life is absolutely drowning in it.
What Happens When Your Adrenals Are Overworked
When you're under chronic, sustained stress, your adrenal glands are essentially on high alert all the time. Over months and years, this takes a serious toll.
Signs your adrenals may be struggling:
Extreme fatigue — especially that "tired but wired" feeling, or crashing hard in the afternoon
Difficulty waking up in the morning even after a full night of sleep
Craving salt or sugar, especially in the afternoon
Feeling overwhelmed by things that didn't used to bother you
Low stamina — physically and emotionally
Getting sick frequently or struggling to recover
Brain fog and difficulty concentrating
Feeling more anxious than usual, or having a low threshold for stress
Relying heavily on caffeine just to function
This pattern — sometimes called adrenal fatigue or HPA axis dysregulation — isn't always recognized or tested in conventional medicine. But it's remarkably common, especially in the high-achieving, high-stress population that makes up the majority of our patients at Revive.
The Cortisol-Hormone Connection
Here's why this matters so much in the context of hormone health: cortisol and your sex hormones share a precursor. When your body is under chronic stress and demands more cortisol production, it can literally steal the building blocks needed to make estrogen, progesterone, and testosterone.
This is sometimes called the "cortisol steal" — and it means that no matter how well we optimize your sex hormones, if your adrenals are in crisis mode, we're fighting an uphill battle. Sustainable hormone balance requires addressing the whole system — not just one piece of it.
Elevated cortisol also disrupts thyroid function, raises blood sugar, promotes fat storage (especially belly fat), tanks libido, and wrecks sleep quality. In other words: chronic stress doesn't just make you feel stressed. It physiologically undermines your hormonal health at every level.
How We Address This at Revive
This is exactly why our approach at Revive goes beyond simply replacing hormones and calling it a day.
As part of every patient's care, we evaluate thyroid function comprehensively — not just a TSH check, but a full panel that gives us a real picture of what's happening. We assess adrenal function and cortisol patterns. We look at DHEA levels, which decline with age and are closely tied to both adrenal health and overall vitality.
And then we treat accordingly — which might mean thyroid hormone support, adrenal support through targeted supplements and lifestyle interventions, stress management strategies, and optimizing your sex hormones in a way that works with your whole endocrine system rather than in spite of it.
Because here's the truth: hormones don't work in isolation. Your thyroid, your adrenals, your sex hormones, your metabolic health — they're all talking to each other, constantly. Treating one without looking at the others is like fixing one leak in a roof and calling it waterproof.
You deserve better than that.
The Bottom Line
If you've been told everything looks "normal" but you still feel exhausted, foggy, moody, or just not like yourself — your thyroid and adrenals deserve a closer look. And a closer look means comprehensive testing, not a single number on a panel.
At Revive Institute of Sexual Health, we dig in. We ask the questions most providers don't. We run the labs that actually matter. And we build a plan that addresses the full picture of your hormonal health — because that's the only way to get you feeling genuinely well again.
Think your thyroid or adrenals might be part of your story? Fill out our inquiry form at reviveish.com and let's find out what's really going on.
Stephanie Zwonitzer is a licensed Doctor of Nursing Practice and founder of Revive Institute of Sexual Health, a telehealth clinic specializing in hormonal balance and sexual wellness for men and women in Maryland.