Beyond the Thyroid

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Beyond the Thyroid - Episode 56: On Levothyroxine and Still Don't Feel Well? 5 Myths Keeping You Stuck

You were diagnosed. You started levothyroxine. Your TSH came back normal. And you still don't feel like yourself.

If that's where you are, you're not imagining it -- and you're not alone. A significant portion of people on levothyroxine never fully recover, not because they aren't trying hard enough, but because the treatment approach they've been given is built on a set of myths that mainstream medicine hasn't caught up to yet.

In this episode, Dr. Dana Gibbs walks through the five biggest myths keeping thyroid patients stuck, where each one came from, and what to do instead.

In this episode you'll learn:

• Why taking levothyroxine once a day causes a T4 spike that actively blocks T3 conversion -- and the simple split-dose fix that helps most patients start feeling better
• Why a normal TSH only proves your pituitary is happy -- and tells you nothing about whether your muscles, brain, and metabolism are actually getting the active hormone they need
• The history behind the "Free T3 is unreliable" myth -- why it was built into guidelines in the 1990s and why those guidelines haven't caught up to modern lab technology
• Why Reverse T3 matters and how the T3/Reverse T3 ratio gives you a precise picture of how much conversion is actually happening in your body
• The blind spot nobody talks about: once you have a thyroid diagnosis, it's easy to blame everything on the thyroid -- and miss the ferritin deficiency, insulin resistance, cortisol pattern, or gut issue that's actually keeping you stuck
• How to time your labs so they reflect your true average levels rather than a misleading peak or trough
• What a complete thyroid lab set actually includes and why it matters

If you've been told your labs are normal and you should feel fine, this episode gives you the clinical framework to understand why that might not be the whole story -- and what to ask for next.

📑 Join the The Thyroid Clarity Checkup Priority List! 

📁 Get My Free Lab Ordering Guide for Thyroid Health

🎯 Get The Free Food Tracker!

📲 Follow Dr. Dana Gibbs on the Goodself App!

🩺 Interested in a Discovery Call with Dr. Dana? Click here!

📺 Watch on YouTube

Episode Highlights

00:00 Myths Blocking Thyroid Care
00:58 Host Story And Mission
02:14 Thyroid Clarity Checkup
03:57 Why Levo Can Fail
07:54 T4 Versus T3 Basics
10:57 Myth One Once Daily T4
14:11 Simple Fix Split Dosing
15:18 Myth Two TSH Thermostat
20:37 Myth Three Free T3 Testing
25:43 Myth Four Reverse T3 Matters
29:26 Beyond Thyroid Blind Spots
30:14 Program Invite And Wrap Up
31:42 Final Thanks And Disclaimer

Let's connect! 🔔
Facebook - Consultants In Metabolism
Instagram - @danagibbsms
LinkedIn - Dana Gibbs MD
Tiktok - @dana.gibbs.md

✉️ Email Dr. Gibbs at [email protected] or visit https://www.danagibbsmd.com/ for more information.


Thank you so much for listening! Tune in on the next episode.


The medical information provided in this episode is intended for informational purposes only and should not be construed as medical advice. Always consult a qualified healthcare provider regarding any medical questions or concerns.

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Beyond the Thyroid - Episode 55: Is It Really OK to Ignore a Low TSH? What We Actually Know About Thyroid, T3, and Your Heart

A social media poll made a bold claim: low T3 causes atrial fibrillation, and high-dose T3 therapy with a suppressed TSH is the fix. Dr. Dana Gibbs took that claim seriously enough to spend an entire episode on it -- because the stakes are high and the evidence is more complicated than the poll suggested.

In this episode, she walks through what thyroid hormones actually do to the heart, in both directions, and explains why the goal of thyroid treatment is balance -- not maximization.

In this episode you'll learn:

• The full cardiac picture in hyperthyroidism: tachycardia, atrial fibrillation risk, widened pulse pressure, cardiac remodeling, and heart failure
• The full cardiac picture in hypothyroidism: diastolic dysfunction, bradycardia, narrow pulse pressure, increased vascular resistance, and severe complications including myxedema
• The mitral valve prolapse and thyroid connection
• What the evidence actually shows about low T3 and AFib in otherwise healthy outpatients -- and where the research gaps are
• Why levothyroxine often fails to fully restore T3 to normal physiologic levels
• How T3 dosing and test timing can mask supraphysiologic peaks that never show up in routine labs
• Why a suppressed TSH is a clinical signal worth investigating, not a number to optimize around
• What properly timed, comprehensive labs look like -- and when a cardiac workup is warranted
• The bottom line on T3 therapy, cardiac risk, and what "balance" actually means in practice

If you're on T3, thinking about it, or you've been reassured that a low TSH isn't a problem, this episode gives you the clinical context to have a more informed conversation with your doctor.

📑 Join the The Thyroid Clarity Checkup Priority List! 

📁 Get My Free Lab Ordering Guide for Thyroid Health

🎯 Get The Free Food Tracker!

📲 Follow Dr. Dana Gibbs on the Goodself App!

🩺 Interested in a Discovery Call with Dr. Dana? Click here!

📺 Watch on YouTube

Episode Highlights

00:00 Start
00:43 Show Intro and Host
01:46 Poll Breakdown and the Question It Raised
03:47 Thyroid Hormone Basics
05:13 T3 Dosing and Safety
07:10 How Hyperthyroidism Affects the Heart
10:36 How Hypothyroidism Affects the Heart
12:47 Mitral Valve Prolapse and Thyroid
14:58 The AFib Evidence Review
18:36 Levothyroxine and the T3 Gap
19:48 What We Still Don't Know
20:35 What the Poll Really Shows
22:50 Testing Timing and Ratios
25:17 Bottom Line and Takeaways
29:24 Program Invitation
30:37 Final Wrap and Disclaimers

Let's connect! 🔔
Facebook - Consultants In Metabolism
Instagram - @danagibbsms
LinkedIn - Dana Gibbs MD
Tiktok - @dana.gibbs.md

✉️ Email Dr. Gibbs at [email protected] or visit https://www.danagibbsmd.com/ for more information.


Thank you so much for listening! Tune in on the next episode.


The medical information provided in this episode is intended for informational purposes only and should not be construed as medical advice. Always consult a qualified healthcare provider regarding any medical questions or concerns.

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Beyond the Thyroid - Episode 54: Hashimoto's, Self-Advocacy, and Building solaia.tech with Lindsey Patrice Perez

Lindsey Patrice Perez was nine years old when she was diagnosed with Hashimoto's disease. What followed were years of fatigue, brain fog, dry skin, and weight struggles and years of being told her labs were fine.

She learned to track her own symptoms, push for expanded testing, and show up to appointments with a concise one-page clinical brief that changed how her doctors listened to her. Then she built an app to help everyone else do the same thing.

In this episode, Dr. Dana Gibbs sits down with Lindsey, the founder of SOLAIA, an AI-powered health advocacy platform, to talk about what it really takes to get answers when the standard system keeps telling you nothing is wrong.

In this episode you'll learn:

• What it's like to grow up with Hashimoto's and spend years searching for answers
• Why "in-range" labs don't mean you're well -- and which labs actually tell the full story
• How a one-page clinical brief can turn a 20-minute appointment into an informed conversation
• The PMOS (formerly PCOS) and Hashimoto's overlap -- and how metabolic testing revealed what standard panels missed
• How GLP-1 therapy helped Lindsey's insulin resistance and what it required for thyroid medication monitoring
• Dr. Dana's own story of waking up to the limits of TSH-only testing
• How to find a doctor who will actually partner with you -- and when to walk away
• What to do first when your labs look normal but you know something is wrong
• How SOLAIA works, what the one-page brief costs, and what's coming next

If you've ever walked out of an appointment feeling dismissed, or been told your numbers are fine while you're still exhausted, this episode is for you.

🌐 Learn more about SOLAIA 

👤 Connect with Lindsey Patrice Perez

📑 Join the The Thyroid Clarity Checkup Priority List! 

📁 Get My Free Lab Ordering Guide for Thyroid Health

🎯 Get The Free Food Tracker!

📲 Follow Dr. Dana Gibbs on the Goodself App!

🩺 Interested in a Discovery Call with Dr. Dana? Click here!

📺 Watch on YouTube

Episode Highlights

00:00 Welcome and Guest Intro
02:08 Diagnosis at Nine
03:40 Living With Symptoms
04:53 Fatigue and Skin Clues
06:59 Learning Self Advocacy
09:06 Finding the Right Doctor
10:57 Weight Struggles and Resilience
14:12 Better Labs and PMOS
16:12 GLP-1 and Med Adjustments
18:42 Healthcare System Wake Up
20:30 Doctor Dana Personal Story
24:23 Why I Quit Insurance
25:49 Start With Symptom Reflection
27:39 Ask For Full Thyroid Labs
31:00 When To Switch Doctors
33:27 Win The 20 Minute Visit
38:52 Tell A Better Symptom Story
41:00 Insurance Barriers Explained
43:00 Solaia One Page Brief Tool
45:45 Future Vision Smarter Tracking
47:25 Labs Normal Not Well
50:04 Thyroid Clarity Checkup Program
52:32 Reviews Disclaimer Wrap Up

Let's connect! 🔔
Facebook - Consultants In Metabolism
Instagram - @danagibbsms
LinkedIn - Dana Gibbs MD
Tiktok - @dana.gibbs.md

✉️ Email Dr. Gibbs at [email protected] or visit https://www.danagibbsmd.com/ for more information.


Thank you so much for listening! Tune in on the next episode.


The medical information provided in this episode is intended for informational purposes only and should not be construed as medical advice. Always consult a qualified healthcare provider regarding any medical questions or concerns.

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Beyond the Thyroid - Episode 53: How to Actually Find Your Food Triggers — The Big Six, IgG Testing, and the Elimination Protocol (Series Finale)

Five episodes in, you now have the full picture of why food reactions happen, what drives cravings toward the foods causing them, and why blanket elimination rarely works. This episode is where all of that becomes a plan you can actually follow.

Dr. Dana Gibbs walks through the Big Six foods responsible for most cyclic food sensitivities, the honest truth about IgG food sensitivity testing, exactly how to run an elimination and challenge protocol, how to manage multiple sensitivities with a rotation diet, and closes the series by applying the entire framework to dairy -- the most commonly problematic food in Hashimoto's patients.

In this episode you'll learn:

• The Big Six foods and all the hidden places they show up -- including malt, cane vs. beet sugar, and the baker's yeast vs. brewer's yeast distinction
• Why Dr. Gibbs almost always includes the Big Six in an elimination trial
• The honest truth about IgG food testing: useful for prioritization, not diagnosis
• How to choose exactly what to eliminate using your food diary, cravings, and lab data together
• Step-by-step elimination protocol: how long, what complete avoidance means, and why feeling worse on day 3 is actually a good sign
• The challenge and reintroduction protocol: how to test one food at a time and recognize a hyperacute reaction
• How to abort a reaction during testing
• The rotation diet: solving the "nothing left to eat" problem
• What to do if you did everything right and still don't feel better
• Dairy from start to finish: lactose, casein, casomorphin, A1 vs A2 milk, and the milk ladder approach
• Why the Mediterranean foundation makes everything else easier -- and why it's the most important takeaway from the whole series

If you've been holding onto your food and symptom diary since Episode 49, this is the episode that shows you how to use it.

📑 Join the The Thyroid Clarity Checkup Priority List! 

📁 Get My Free Lab Ordering Guide for Thyroid Health

🎯 Get The Free Food Tracker!

📲 Follow Dr. Dana Gibbs on the Goodself App!

🩺 Interested in a Discovery Call with Dr. Dana? Click here!

📺 Watch on YouTube

Episode Highlights

00:00 Introduction

00:54 Show Intro and Series Recap

04:22 Who Should Start Here

05:40 Three Elimination Approaches

07:54 Food Diary and Suspects

10:00 IgG and IgE Testing Reality

12:37 Build Your Safe List

15:17 Big Six Hidden Exposures

19:58 Timing the Eliminations

24:47 How to Challenge Safely

30:34 Withdrawal and Reintroducing

32:30 Complex Foods Like Dairy

36:56 Long Term Rotation Strategy

39:06 If Food Is Not the Driver

40:42 Core Message Mediterranean Base

43:06 Gluten Free for All Debate

43:42 Molecular Mimicry Myth

49:56 What the Studies Show

54:51 Wrap Up and Disclaimer

The finale of the series "I Have Hashimoto's: Do I Really Need to Eliminate Gluten and Dairy?", bringing together everything covered in Episodes 49 through 52 into a practical, step-by-step protocol.

Let's connect! 🔔
Facebook - Consultants In Metabolism
Instagram - @danagibbsms
LinkedIn - Dana Gibbs MD
Tiktok - @dana.gibbs.md

✉️ Email Dr. Gibbs at [email protected] or visit https://www.danagibbsmd.com/ for more information.


Thank you so much for listening! Tune in on the next episode.


The medical information provided in this episode is intended for informational purposes only and should not be construed as medical advice. Always consult a qualified healthcare provider regarding any medical questions or concerns.

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Beyond the Thyroid - Episode 52: The Food Reactions Nobody Recognizes -- And Why You Crave What's Hurting You

Think about the one food you absolutely could not give up. The one you eat every day, the one you reach for when you're exhausted or stressed or just not feeling well.

That food is probably the first place to look.

In this episode, Dr. Dana Gibbs explains why the most common and most disruptive food reactions look nothing like a classic allergy -- and why the foods causing them are almost always the ones people feel most compelled to keep eating. She walks through the full spectrum of food reactivity, from IgE-mediated allergy through cyclic immune complex reactions to the opioid peptide and microbiome mechanisms that make wheat and dairy feel genuinely addictive for some people.

In this episode you'll learn:

• Why IgE allergy is just the tip of the iceberg -- and what the far more common reactions actually look like
• The cyclic non-IgE food sensitivity mechanism: immune complexes, delayed symptoms, and why the offending food is always the one you eat every day
• The masked allergy and food addiction pattern: why you crave what's hurting you, and the biology behind it
• The opioid peptide mechanism: casomorphin, gliadorphin, and why wheat and dairy are pharmacologically addictive for some people -- with no immune involvement at all
• How gut bacteria influence what you want to eat
• Why these three mechanisms can stack -- and why "just stop eating it" is genuinely hard
• The full symptom spectrum of cyclic food reactions
• The allergic load concept: why Hashimoto's lowers your threshold for food reactions across the board
• A clinical tradition that predates modern immunology -- and why it still works

If you've ever wondered why elimination diets feel so hard even when you're motivated, or why stopping a food makes you feel worse before you feel better, this episode explains the biology behind both.

📑 Join the The Thyroid Clarity Checkup Priority List! 

📁 Get My Free Lab Ordering Guide for Thyroid Health

🎯 Get The Free Food Tracker!

📲 Follow Dr. Dana Gibbs on the Goodself App!

🩺 Interested in a Discovery Call with Dr. Dana? Click here!

📺 Watch on YouTube

Episode Highlights

00:00 Intro
01:09 What Food Allergy Means
02:36 Beyond IgE Reactions
05:29 IgG Immune Complexes
08:31 Masked Allergy Cravings
10:19 The Big Six Foods
11:16 Opioid Peptide Effects
15:20 Microbiome Driven Cravings
18:35 Symptoms and Clues
21:12 Total Allergic Load
25:07 Next Steps and Wrap

Part of the series "I Have Hashimoto's: Do I Really Need to Eliminate Gluten and Dairy?" -- continuing from Episode 51's breakdown of gluten, celiac, and the infections driving thyroid autoimmunity.

Let's connect! 🔔
Facebook - Consultants In Metabolism
Instagram - @danagibbsms
LinkedIn - Dana Gibbs MD
Tiktok - @dana.gibbs.md

✉️ Email Dr. Gibbs at [email protected] or visit https://www.danagibbsmd.com/ for more information.


Thank you so much for listening! Tune in on the next episode.


The medical information provided in this episode is intended for informational purposes only and should not be construed as medical advice. Always consult a qualified healthcare provider regarding any medical questions or concerns.

Send us Fan Mail

Beyond the Thyroid - Episode 51: Gluten and Hashimoto's: What It Actually Does (It's Not What You've Been Told)

You've probably heard it a hundred times: gluten triggers Hashimoto's through molecular mimicry, tricking your immune system into attacking your thyroid. It sounds convincing. The problem is that when you look at the actual evidence, that story doesn't hold up.

In this episode, Dr. Dana Gibbs cuts through the noise and explains what gluten genuinely does in the gut, who is actually at risk, and why the real culprit behind some patients' symptoms turned out to be something else entirely, a bacterial infection hiding in plain sight.

She also shares a patient case that changed the way she approaches iron deficiency in Hashimoto's patients and explains why treating the infection moved the needle when years of supplementation had not.

In this episode you'll learn:

• Why the molecular mimicry argument connecting gluten to Hashimoto's isn't supported by the evidence
• What gliadin actually does in the gut -- the zonulin pathway explained in plain language
• What celiac disease actually is, how it differs from gluten sensitivity, and why 100% elimination matters
• Why you need to be tested for celiac before going gluten-free -- and what happens if you skip that step
• The Hashimoto's and celiac overlap: why your risk is 2-5x higher than the general population
• H. pylori: how this common bacterial infection drives iron deficiency, B12 deficiency, and thyroid autoimmunity through real molecular mimicry
• Yersinia, Borrelia, MAP, and Candida: other organisms with documented cross-reactivity to thyroid proteins
• A real patient case: iron that never responded to supplementation -- until H. pylori was found and treated

If you've been gluten-free for months without meaningful results, or you're trying to figure out whether it's even worth trying, this episode gives you the clinical framework to actually answer that question for yourself.

📑 Join the The Thyroid Clarity Checkup Priority List! 

📁 Get My Free Lab Ordering Guide for Thyroid Health

🎯 Get The Free Food Tracker!

📲 Follow Dr. Dana Gibbs on the Goodself App!

🩺 Interested in a Discovery Call with Dr. Dana? Click here!

📺 Watch on YouTube

Episode Highlights
00:00 Intro
01:29 Series Context and Food Diary
02:35 Case Story -- H. Pylori Twist
04:19 The Myth of Molecular Mimicry
06:38 What Gluten Actually Does in the Gut
09:39 When It Matters -- Celiac and NCGS
12:07 Wheat Reactions Beyond Gluten
13:19 Infections Driving Autoimmunity
15:37 Symptoms and Testing Clues
19:08 Should You Go Gluten Free?
22:03 Next Episode and Wrap Up
23:37 Reviews, Disclaimer, and Outro

Part of the series "I Have Hashimoto's: Do I Really Need to Eliminate Gluten and Dairy?" -- continuing from Episode 50's breakdown of anti-inflammatory nutrition.

Let's connect! 🔔
Facebook - Consultants In Metabolism
Instagram - @danagibbsms
LinkedIn - Dana Gibbs MD
Tiktok - @dana.gibbs.md

✉️ Email Dr. Gibbs at [email protected] or visit https://www.danagibbsmd.com/ for more information.


Thank you so much for listening! Tune in on the next episode.


The medical information provided in this episode is intended for informational purposes only and should not be construed as medical advice. Always consult a qualified healthcare provider regarding any medical questions or concerns.

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Beyond the Thyroid - Episode 50: What Does Anti-Inflammatory Actually Mean for Hashimoto's?

You've heard it everywhere — eat anti-inflammatory. Avoid gluten. Follow an anti-inflammatory diet. But what does that actually mean for someone with Hashimoto's disease? And more importantly — is the inflammation you're dealing with even the kind that diet can fix?

In this episode of Beyond the Thyroid, Dr. Dana Gibbs continues the series on food and Hashimoto's by breaking down the two distinct drivers of inflammation and explaining why they require completely different approaches.

She also challenges the way most patients approach food changes: starting with restriction before nourishment, which often backfires — especially when you're exhausted.

In this episode you'll learn:

• What patients actually mean by 'inflamed' and the physiology behind it
• The difference between metabolic inflammation and immune-driven inflammation
• How to use a standard lipid panel to assess whether insulin resistance is driving your symptoms
•  Why the Mediterranean diet is the most evidence-backed starting point and how to adjust it for your metabolic picture
• Simple, low-friction food changes you can make right now, including a make-ahead savory breakfast that stabilizes blood sugar all morning
• Why nourishment before restriction changes everything and why the order matters

Dr. Gibbs also introduces a practical two-sentence framework for getting started — designed specifically for patients who are too exhausted to overhaul their entire diet at once.

📑 Join the The Thyroid Clarity Checkup Priority List! 

📁 Get My Free Lab Ordering Guide for Thyroid Health

📲 Follow Dr. Dana Gibbs on the Goodself App!

🩺 Interested in a Discovery Call with Dr. Dana? Click here!

📺 Watch on YouTube

Episode Highlights

00:00 Welcome
00:45 What Patients Mean by Inflamed
03:39 Inflammation Labs Explained
04:27 Ferritin Low vs High
07:01 Metabolic Inflammation Basics
09:02 Insulin Resistance Symptoms
10:32 Triglyceride HDL Ratio
12:45 Mediterranean Diet Foundation
17:40 Simple Breakfast Upgrades
19:56 Fiber and Fruit Choices
21:11 Healthy Fats and Yogurt
23:38 Smart Substitutions
25:12 Breaking Sugar Cravings
28:51 Why Add Before Eliminate
30:53 Wrap Up and Next Episode
32:04 Resources and Outro

This episode is part of the series 'I Have Hashimoto's: Do I Really Need to Eliminate Gluten and Dairy?' — continuing from Episode 49's overview of food sensitivities and elimination diets. 

Let's connect! 🔔
Facebook - Consultants In Metabolism
Instagram - @danagibbsms
LinkedIn - Dana Gibbs MD
Tiktok - @dana.gibbs.md

✉️ Email Dr. Gibbs at [email protected] or visit https://www.danagibbsmd.com/ for more information.


Thank you so much for listening! Tune in on the next episode.


The medical information provided in this episode is intended for informational purposes only and should not be construed as medical advice. Always consult a qualified healthcare provider regarding any medical questions or concerns.

Send us Fan Mail

Beyond the Thyroid – Episode 49: Do You Really Need to Cut Gluten & Dairy in Hashimoto’s?

In this episode of Beyond the Thyroid, Dr. Dana Gibbs kicks off a multi-part series on how food and elimination diets fit into Hashimoto’s and thyroid care.

Should everyone cut gluten and dairy? The answer is more nuanced than most advice online suggests.

Dr. Gibbs explains why patient responses to food elimination vary widely, why the science does not support universal restriction outside of celiac disease, and how common claims like molecular mimicry often don’t translate into meaningful clinical outcomes.

She also addresses a growing problem: increasingly restrictive diets driven by desperation and online noise. These patterns can worsen nutrition, increase stress and guilt, and even lead to avoidant or disordered eating behaviors.

Instead, Dr. Gibbs introduces a three-layer framework:

1.  Thyroid physiology 
2.  Metabolic health 
3.  Food 

—showing why food is often not the first place to start.

You’ll also learn how to approach food systematically using structured tracking rather than guesswork, and why testing for celiac disease is essential before long-term gluten elimination.

📑 Join the The Thyroid Clarity Checkup Priority List! 

📁 Get My Free Lab Ordering Guide for Thyroid Health

📲 Follow Dr. Dana Gibbs on the Goodself App!

🩺 Interested in a Discovery Call with Dr. Dana? Click here!

📺 Watch on YouTube

Episode Highlights

00:00 – Series Kickoff
01:23 – Podcast Intro
02:26 – Do You Really Need Eliminations?
04:27 – Desperation and Online Noise
07:42 – Hashimoto’s Is Multifactorial
09:29 – Gluten, Mimicry, and Celiac
11:39 – The Cost of Over-Restriction
13:41 – The Three-Layer Framework
15:36 – Food Research Reality Check
17:48 – Types of Food Reactions
19:54 – Start With Foundations
21:39 – Test for Celiac First
24:29 – Track Instead of Guess
26:37 – Next Steps

This episode sets the foundation for upcoming deep dives into anti-inflammatory diets, gluten, dairy, and practical ways to evaluate food sensitivities.

Let's connect! 🔔
Facebook - Consultants In Metabolism
Instagram - @danagibbsms
LinkedIn - Dana Gibbs MD
Tiktok - @dana.gibbs.md

✉️ Email Dr. Gibbs at [email protected] or visit https://www.danagibbsmd.com/ for more information.


Thank you so much for listening! Tune in on the next episode.


The medical information provided in this episode is intended for informational purposes only and should not be construed as medical advice. Always consult a qualified healthcare provider regarding any medical questions or concerns.

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Beyond the Thyroid – Episode 48: Armour Thyroid Explained: Who It Helps (and Why It’s So Controversial)

In this episode of Beyond the Thyroid, Dr. Dana Gibbs breaks down one of the most debated topics in thyroid care: Armour Thyroid and other natural desiccated thyroid (NDT) medications.

Why do some patients swear by it—while others are told to avoid it entirely?

Dr. Gibbs explains the science behind NDT, including how it differs from levothyroxine by containing both T4 and T3, and why this can be beneficial for patients who struggle with T4-to-T3 conversion. She also addresses the reality that 15–20% of patients remain symptomatic despite a “normal” TSH, and why this fuels interest in alternative therapies.

At the same time, this episode dives into the limitations and risks of NDT, including its fixed 4:1 T4:T3 ratio, differences from human physiology, and the challenges of dosing T3 safely.

You’ll also learn:

•  Why stress, inflammation, and nutrient status affect thyroid hormone conversion 
•  Why NDT is often avoided in thyroid cancer management 
•  When caution is needed in Hashimoto’s disease 
•  Why individualized, physiology-based care matters more than any single medication

📑 Join the The Thyroid Clarity Checkup Priority List! 

📁 Get My Free Lab Ordering Guide for Thyroid Health

📲 Follow Dr. Dana Gibbs on the Goodself App!

🩺 Interested in a Discovery Call with Dr. Dana? Click here!

📺 Watch on YouTube

Episode Highlights

00:00 – The Armour Thyroid Controversy
00:56 – Thyroid Lab Program Update
02:38 – What Armour Thyroid Is
05:42 – Why Some Patients Improve on NDT
08:48 – T4 to T3 Conversion Explained
11:08 – Fixed Ratio and Dosing Challenges
13:59 – Who Should Avoid NDT
16:29 – Conventional Endocrinology Approach
17:31 – Nuanced Clinical Takeaways
18:57 – Wrap-Up and Disclaimers

This episode offers a balanced, science-based perspective on a controversial treatment—without oversimplification.

Let's connect! 🔔
Facebook - Consultants In Metabolism
Instagram - @danagibbsms
LinkedIn - Dana Gibbs MD
Tiktok - @dana.gibbs.md

✉️ Email Dr. Gibbs at [email protected] or visit https://www.danagibbsmd.com/ for more information.


Thank you so much for listening! Tune in on the next episode.


The medical information provided in this episode is intended for informational purposes only and should not be construed as medical advice. Always consult a qualified healthcare provider regarding any medical questions or concerns.

Send us Fan Mail

Beyond the Thyroid – Episode 47: The Ferritin Problem in Thyroid Disease

In this episode of Beyond the Thyroid, Dr. Dana Gibbs explores one of the most overlooked drivers of persistent symptoms in thyroid disease: low ferritin and iron metabolism problems.

Many patients with Hashimoto’s or hypothyroidism continue to experience fatigue, brain fog, dizziness, hair loss, and air hunger—even when their thyroid labs appear “normal.” Dr. Gibbs explains why these symptoms may actually be driven by iron depletion long before anemia appears, and why ferritin levels can quietly sabotage thyroid hormone function.

Through a compelling patient story, Dr. Gibbs walks listeners through the clues that led to the discovery of ferritin levels of 12—and how correcting iron deficiency dramatically improved symptoms.

In this episode, you’ll learn about the bidirectional relationship between iron and thyroid physiology, including how iron affects thyroid peroxidase, T4-to-T3 conversion, and receptor activity.

Dr. Gibbs also discusses common causes of iron deficiency in thyroid patients, including malabsorption, autoimmune gastritis, and celiac disease, and explains how to properly test, treat, and monitor iron safely.

📑 Join the The Thyroid Clarity Checkup Priority List! 

📁 Get My Free Lab Ordering Guide for Thyroid Health

📲 Follow Dr. Dana Gibbs on the Goodself App!

🩺 Interested in a Discovery Call with Dr. Dana? Click here!

📺 Watch on YouTube

Episode Highlights

00:00 Episode Introduction
 01:48 Patient Story: The Ferritin Clue
 05:09 Malabsorption and Thyroid Disease
 07:20 The Iron–Thyroid Feedback Loop
 11:57 Ferritin Testing Basics
 15:02 Who Should Be Screened
 16:15 Ferritin Targets and Safety
 18:07 Smarter Iron Supplementation
 21:32 When to Consider Iron Infusion
 22:56 Autoimmune Gastritis Explained
 25:32 Celiac Disease as a Hidden Cause
 29:16 Celiac Testing and Treatment
 32:58 Wrap-Up and Next Steps
 34:12 Outro and Disclaimer

This episode is essential for anyone with thyroid disease who still struggles with fatigue despite treatment.

Let's connect! 🔔
Facebook - Consultants In Metabolism
Instagram - @danagibbsms
LinkedIn - Dana Gibbs MD
Tiktok - @dana.gibbs.md

✉️ Email Dr. Gibbs at [email protected] or visit https://www.danagibbsmd.com/ for more information.


Thank you so much for listening! Tune in on the next episode.


The medical information provided in this episode is intended for informational purposes only and should not be construed as medical advice. Always consult a qualified healthcare provider regarding any medical questions or concerns.