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Dr. Eric Balcavage

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Dr. Eric Balcavage

Host of the Thyroid Answers Podcast + co-author of The Thyroid Debacle.

Dr. Eric Balcavage helps patients uncover and heal the root causes of thyroid issues, gut dysfunction, and chronic illness using cellular testing and personalized protocols.

12/10/2025

Your thyroid strategy might never work the way you expect… until you calm your brain.

Your brain is the primary receiver of stress signals. And when it’s locked into fear or danger mode, thyroid physiology shifts with it.
So even if you’re taking medication, supplements, or following a strict plan… your brain may still be driving a completely different response.
That’s why your labs, your symptoms, and your medication dose don’t always match up.

Here are a few simple ways to lower the “danger” signals to the brain:
1️⃣ Get outside early. A morning walk with natural sunlight helps regulate circadian rhythm and stress physiology.
2️⃣ Try rhythmic breathing. Even 1–2 minutes of box breathing can down-shift the stress response.
3️⃣ Create a digital sunset. As the sun goes down, start powering off devices and reducing artificial light exposure.

Support the brain. Support the thyroid.
👉 If you need help understanding what’s really driving your thyroid physiology, schedule a discovery call.

12/09/2025

I’m back with a new Podcast episode and it’s one that you won’t want to miss!
In this episode of Thyroid Answers, I’m talking about a piece of thyroid physiology most people overlook… the brain. 🧠

If you’ve been chasing supplements, labs, and medications without real improvement, you may be missing the upstream driver of thyroid regulation: how your brain perceives stress and danger.

In this episode, Dr. Patrick Porter and I break down:
✅ How chronic stress shifts the body into “thyroid danger physiology”
✅ The roles of the amygdala and HPA axis in suppressing thyroid hormone
✅ Why neuroplasticity matters for thyroid recovery
✅ How tools like BrainTap use light, sound, and frequency to support brainwave regulation
✅ What happens when subconscious stress patterns keep you stuck
✅ Simple, daily ways to activate your “safety physiology” and support better thyroid output

If you’ve wondered why your labs, supplements, or medications aren’t creating lasting change… this episode will help you understand why brain health is often the missing link in chronic hypothyroidism and what you can start doing about it.

Comment 211 and I will message you the link to this video.

12/08/2025

If you’ve struggled with chronic thyroid symptoms despite “normal” labs or multiple treatment approaches, there’s a reason.

Most patients have already been through the first two models of care:
1️⃣ Management – adjusting T4 to normalize TSH.

2️⃣ Optimization – adding T3, supplements, and protocols to force labs into “better” ranges.

Both focus on the labs.
Neither addresses why your thyroid physiology shifted in the first place.
Your thyroid isn’t failing… it’s adapting.

When the body is under stress physiology, immune load, or metabolic strain, thyroid hormone regulation changes as a protective response. Forcing labs to look normal doesn’t resolve the state driving the adaptation — which is why symptoms often persist.

The Adaptive Thyroid Model™ takes a different approach.
By identifying and addressing your adaptive state, physiology can normalize naturally, and labs follow because the underlying biology has improved.

If you’re tired of treating the numbers instead of the physiology, this is where recovery begins.

👉 Ready to understand your adaptive state? Schedule a discovery call.

12/05/2025

Watch the lighting. 💡

As we move into the winter months, your environment should shift… but most people don't.

A few key points:
- Most of us are overexposed to artificial light, especially in the evening.
- Seasonal light changes matter. Your body is meant to respond differently in winter.
- TSH should naturally rise in colder months. This is a normal adaptive response.

Your physiology is always responding to your environment. Change the inputs and you change the output.

👉 Want more support? Comment DISCOVERY and I’ll DM you the link to book a free discovery call.

12/04/2025

Happy Thursday!

In this week’s Thyroid Thursday, I’m talking about something I call "the winter shift of TSH."

❓Did you know that most people are diagnosed with hypothyroidism during the winter months?

That’s because thyroid values naturally fluctuate with the seasons. Studies show that TSH can rise by 15–20% in the winter while free T4 slightly decreases and free T3 slightly increases. This isn’t a sign your thyroid is broken—it’s your body’s way of adapting to colder temperatures and longer nights. Cold exposure and increased darkness stimulate your hypothalamus and pituitary to produce more TRH and TSH, which helps boost metabolism and body heat.

The problem is that this normal, adaptive shift can be mistaken for hypothyroidism. A small seasonal rise in TSH might push your labs just outside the “normal” range, leading to unnecessary medication. Before jumping to thyroid meds, I recommend getting a *comprehensive* thyroid panel and addressing lifestyle factors—sleep, nutrition, stress, exercise, and alcohol intake. Often, when spring arrives and stress levels even out, TSH naturally returns to baseline. So don’t panic if your winter labs look a little different. Support your physiology, not just your numbers, and you’ll help your thyroid function the way it’s meant to—seasonally and adaptively

Comment your thoughts and questions below. Hope this helps.

12/03/2025

Is TSH 1–2 Really “Optimal”? Let’s Set the Record Straight
You might’ve heard that your TSH “needs” to be between 1 and 2 for optimal thyroid health. But here’s the truth:

Labs aren’t the problem—they’re just part of your unique story. TSH naturally fluctuates, sometimes widely, and often changes with the seasons. Chasing a narrow TSH range isn’t just unnecessary—it can actually be harmful.

Prescribing medication just to force TSH between 1 and 2? Totally inappropriate. Real thyroid health is about context, not just numbers.
Don’t let a single lab value define your care. Look at the bigger picture—your symptoms, your story, your whole physiology.

Book a free 15-minute Discovery Call with me to get clarity, ask questions, and see if my root-cause approach is the right fit for you. No pressure, just education and support. Comment Discovery and I’ll DM you the link!

12/02/2025

THYROID SHORT- EPISODE 20 ❄️

Why does your TSH increase in winter? Is it thyroid failure—or intelligent adaptation?

In this episode, Dr Eric Balcavage, creator of the Adaptive Thyroid Model™, unpacks new research showing that cold exposure, reduced daylight, and melatonin lengthen the nightly signal to your hypothalamus, raising TRH, TSH, and T3 for heat and immune readiness.

In this episode, you’ll learn
✅ How shorter days and colder temperatures reset the hypothalamic–pituitary–thyroid axis
✅ Why macro-TSH raises lab TSH without true hypothyroidism
✅ How both conventional and functional models misread winter physiology
✅ Five ways to align with your seasonal thyroid rhythm (light, rest, minerals, movement, patience)

Comment 20 and I’ll send you you the link. This is not an episode you want to miss.

12/01/2025

Let’s clear up a common thyroid myth: “If your TSH rises, you automatically need more medication.”

❗️Here’s the truth—TSH (thyroid-stimulating hormone) levels naturally increase during the winter and drop in warmer months. This isn’t a sign that your thyroid is failing or that your body is broken. It’s actually a normal, adaptive response to seasonal changes.

Too often, people are told to increase their thyroid medication just because their TSH goes up in the colder months. But more medication doesn’t always mean feeling better. In fact, many people feel worse when their dose is bumped up without looking at the full picture.

Instead of chasing lab numbers, ask your provider for a comprehensive thyroid panel—not just TSH. Your body is designed to adapt, and true thyroid health is about understanding how all the pieces fit together, not just reacting to one marker.
Empower yourself with knowledge. Don’t settle for surface-level answers—go deeper and work with someone who looks at the whole story.

11/28/2025

Why do I put so much focus on stress and Fitness Factors?

Because your excessive stress load is driving your immune and inflammatory issues.
Until you identify what’s contributing to that stress load—and address your Fitness Factors—you’re fighting an uphill battle.

I use 1️⃣8️⃣ Fitness Factors to help you see where stress is coming from and where you can start creating real change. These are the levers that can actually help you feel better.

If you don’t address these, there is no medication level that’s going to make you feel optimal. More medication is not going to fix a chronic stress state. The long-term solution is to identify and reduce your stress load while supporting your physiology.
Looking for a self-guided way to start?

Check out the Fitness Factors. DM me “Blueprint” and I’ll send you the Fitness Factors Blueprint.

11/27/2025

Happy Thanksgiving everybody! 🦃🍁

In this week’s Thyroid Thursday, I’m diving into something I like to call *holiday hypothyroidism.*

Maybe your thyroid labs are always “normal,” but as soon as November hits, your energy tanks, you feel more tired, and everything feels a little off. Or maybe your thyroid meds seem to stop working as well this time of year. The truth is, your physiology isn’t broken—it’s *adapting.*

Between less sleep, more parties, indulgent food, alcohol, travel, financial stress, and emotional chaos, your body shifts into a stress-response mode. That means increased T3 conversion in the brain and reduced conversion in your tissues—leaving you with fatigue, brain fog, constipation, dry skin, and all those lovely hypothyroid symptoms.

So instead of reaching for a higher dose of thyroid medication, I want you to focus on your fitness factors—the things that support healthy thyroid physiology. Keep your sleep consistent, move your body daily, eat nutritious foods most of the time, stay hydrated, minimize alcohol, and manage your stress.
The holidays are meant to be enjoyed, but when the stress outweighs the good habits, your body adapts in a way that can leave you feeling lousy. Support your physiology this season, and you’ll come out of the holidays feeling energized—not exhausted.

Want to learn more about the fitness factors? DM Blueprint and I will send you the link to the Fitness Factor assessment.

Hope this helps,

11/26/2025

Does your thyroid seem to fall apart every holiday season… even though your labs are ‘normal’ and your meds haven’t changed?

More fatigue. More brain fog. More weight gain. Same lab report.

That’s not random, and it’s not just ‘getting older.’ Your body is adapting to a perfect storm of late nights, sugar, alcohol, travel, and stress.

In tomorrow’s Thyroid Thursday, I’m breaking down what I call ‘holiday hypothyroidism’ and the key habits that can make or break how you feel between now and January.

If you’re tired of riding the holiday thyroid roller coaster and want a strategic plan for your situation, you can schedule a no-pressure discovery call through the link in my bio.

11/25/2025

THYROID SHORT EPISODE 19 ⬇️
Hey everybody, we’re back with another Thyroid Short.

The holidays are supposed to be joyful — but for many with hypothyroidism or Hashimoto’s, they trigger fatigue, weight gain, brain fog, and anxiety.
In this episode, Dr. Eric Balcavage, creator of the Adaptive Thyroid Model™, explains how stress physiology, poor sleep, and inflammation can turn down your thyroid hormone activity — even when your blood tests look “normal.”

Learn why holiday stress, late nights, sugar spikes, alcohol, and over-training push your body into a reverse T3 (rT3) dominant state — what I call Holiday Hypothyroidism — and how to fix it naturally.

In this episode, you’ll learn:
✅ What reverse T3 is — and how it shuts down active T3 inside your cells
✅ How cortisol, IL-6, and TNF-α change deiodinase enzyme activity (DIO1/2 ↓, DIO3 ↑)
✅ Why your thyroid “slows down” under stress — it’s protection, not failure
✅ The 5-Day rT3 Reset — a practical plan for restoring thyroid balance
✅ How to lower inflammation, improve sleep, and support bile flow during the holidays

Want the step-by-step guide?
Comment BluePrint for the Thyroid Recovery Blueprint link

Address

225 Wilmington West Chester Pike Building 202 Suite 263
Glen Mills, PA
19317

Opening Hours

Monday	8am - 6pm
Wednesday	8am - 6pm
Thursday	8am - 6pm

Telephone

+16105588920

Website

https://drericbalcavage.com/

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Your journey back to health begins at Rejuvagen with Strategic Functional Medicine. Functional medicine is the solution to reduce your symptoms, improve your health and quality of life. Our mission at Rejuvagen is to help our patients move forward and optimize their health using Functional Medicine and healing protocols for thyroid dysfunction, gastrointestinal disorders and other chronic health challenges as a result of cellular stress.