You Were Never Told This About Thyroid Hormones — And It's Costing Millions Their Health

Inside this powerful conversation, listeners are invited to question the standard thyroid narrative and learn why normal labs don't always equal a functioning body — especially for those living without a thyroid.

This episode explores the things Dr. Rebecca (and most of her community members and clients) were never told about when it comes to T3 and Rev T3.

Plus:

A live Thyroid Labs Masterclass is happening January 21st at 6:30 PM Eastern, designed to teach you how to actually understand your labs, spot red flags, and advocate for yourself with confidence.

Learn how to finally understand your thyroid labs and know exactly what to do next: ► https://www.drswarren.com/thyroid-labs-masterclass

⭐ Your feedback means so much to me! If you've found this episode helpful, please subscribe and leave a 5-star review—it's one of the best ways to help me share this message with the world. Next steps

► Get your FREE Optimal Thyroid Labs eBook: https://www.drswarren.com/thyroidlabsguide ► Deep dive consultation one-on-one with me: https://www.drswarren.com/drrebeccaconsults ► Join my Thyroid Inner Circle (or get on the waitlist): https://www.drswarren.com/thyroidmembership ► Order your own thyroid labs here: https://www.ultalabtests.com/partners/drswarren

Follow me

• Instagram: @dr.rebeccawarren • Facebook: Dr. Rebecca Warren • YouTube: https://www.youtube.com/c/DrRebeccaWarren

⚠️ Disclaimer

The content of this podcast is for informational purposes only and is not intended as medical advice. Always consult a healthcare professional for any health concerns and before making any changes to your medications. The views expressed in this podcast, including those of Dr. Warren, do not constitute medical advice. The podcast and its host are not liable for any adverse effects resulting from information provided. Opinions of guests are their own, and the podcast does not endorse or assume responsibility for guest statements. Guests may have interests in products or services mentioned. If you have a medical issue, seek the advice of a licensed healthcare provider.

In this episode, Dr. Rebecca and Dr. Nathan pull back the curtain on this special deep dive that was done for the Thyroid Inner Circle community, exploring the often-missing link in thyroid healing: mitochondrial health.

They discuss why optimizing thyroid hormones doesn't always translate into better energy, metabolism, or weight loss and how cellular function plays a major role in how the body adapts, heals, and burns fuel.

You'll hear a high-level conversation on the connection between T3, mitochondria, inflammation, blood sugar, gut health, toxins, and modern stressors, along with the necessary action steps and things you can start doing today that influence mitochondrial health and long-term metabolic resilience.

If you've improved your labs but still don't feel like yourself, this episode helps explain what may be happening beneath the surface—and why true healing goes beyond hormones alone. Resources mentioned in this episode: ► Mitochondrial support supplements discussed in the podcast: https://us.fullscript.com/plans/drswarren-nathan-warren-1687799355-im8-daily-ultimate-essentials

⭐ Your feedback means so much to me! If you've found this episode helpful, please subscribe and leave a 5-star review—it's one of the best ways to help me share this message with the world. 🎓 LIVE Thyroid Labs Masterclass Learn how to finally understand your thyroid labs and know exactly what to do next: ► https://www.drswarren.com/thyroidlabsmasterclass

Next steps

► Get your FREE Optimal Thyroid Labs eBook: https://www.drswarren.com/thyroidlabsguide ► Deep dive consultation one-on-one with me: https://www.drswarren.com/drrebeccaconsults ► Join my Thyroid Inner Circle (or get on the waitlist): https://www.drswarren.com/thyroidmembership ► Order your own thyroid labs here: https://www.ultalabtests.com/partners/drswarren

Follow me

• Instagram: @dr.rebeccawarren • Facebook: Dr. Rebecca Warren • YouTube: https://www.youtube.com/c/DrRebeccaWarren

⚠️ Disclaimer

The content of this podcast is for informational purposes only and is not intended as medical advice. Always consult a healthcare professional for any health concerns and before making any changes to your medications. The views expressed in this podcast, including those of Dr. Warren, do not constitute medical advice. The podcast and its host are not liable for any adverse effects resulting from information provided. Opinions of guests are their own, and the podcast does not endorse or assume responsibility for guest statements. Guests may have interests in products or services mentioned. If you have a medical issue, seek the advice of a licensed healthcare provider.

If you've struggled with weight loss despite clean eating, exercise, or fasting and you have a thyroid hormone imbalance or no thyroid at all—this episode is for you.

In this episode, Dr. Rebecca Warren shares why weight loss resistance is so common with thyroid conditions and why doing more isn't always the answer.

She walks through four essential steps that must be addressed to support metabolism and hormone balance, especially for those with hypothyroidism, Hashimoto's, or living post-thyroidectomy.

This episode is about understanding why the body resists weight loss—and what needs to be in place before it can change.

🎓 LIVE Thyroid Labs Masterclass Learn how to finally understand your thyroid labs and know exactly what to do next: ► https://www.drswarren.com/thyroidlabsmasterclass

⭐ Your feedback means so much to me! If you've found this episode helpful, please subscribe and leave a 5-star review—it's one of the best ways to help me share this message with the world.

Next steps

► Get your FREE Optimal Thyroid Labs eBook: https://www.drswarren.com/thyroidlabsguide ► Deep dive consultation one-on-one with me: https://www.drswarren.com/drrebeccaconsults ► Join my Thyroid Inner Circle (or get on the waitlist): https://www.drswarren.com/thyroidmembership ► Order your own thyroid labs here: https://www.ultalabtests.com/partners/drswarren

Follow me

• Instagram: @dr.rebeccawarren • Facebook: Dr. Rebecca Warren • YouTube: https://www.youtube.com/c/DrRebeccaWarren

⚠️ Disclaimer

The content of this podcast is for informational purposes only and is not intended as medical advice. Always consult a healthcare professional for any health concerns and before making any changes to your medications. The views expressed in this podcast, including those of Dr. Warren, do not constitute medical advice. The podcast and its host are not liable for any adverse effects resulting from information provided. Opinions of guests are their own, and the podcast does not endorse or assume responsibility for guest statements. Guests may have interests in products or services mentioned. If you have a medical issue, seek the advice of a licensed healthcare provider.

In this episode of The Thyroidless Life, Dr. Rebecca Warren delivers a sharp, science-driven breakdown of why the timing of your thyroid medication before labs can completely distort your results—and your treatment. She explains the two pharmacokinetic phases of T3, why the early post-dose spike is not a true reflection of tissue-level thyroid status, and how mistimed labs routinely lead to misdiagnosis, under-treatment, or dangerous dose changes. Drawing from clinical experience, research interviews, and two decades of living post-thyroidectomy, Dr. Rebecca shows why fasted labs are essential. If you've ever been told your labs "look fine" while your symptoms scream otherwise.

Studies mentioned:

Study 1: Single Dose T3 Administration: Kinetics and Effects on Biochemical and Physiologic Parameters https://pmc.ncbi.nlm.nih.gov/articles/PMC5167556/

Study 2: Daily Administration of Short-Acting Liothyronine Is Associated with Significant Triiodothyronine Excursions and Fails to Alter Thyroid-Responsive Parameters https://pmc.ncbi.nlm.nih.gov/articles/PMC4913511/

Study 3: Pharmacokinetics of L-Triiodothyronine in Patients Undergoing Thyroid Hormone Therapy Withdrawal https://pmc.ncbi.nlm.nih.gov/articles/PMC6797066/

⭐ Your feedback means so much to me! If you've found this episode helpful, please subscribe and leave a 5-star review—it's one of the best ways to help me share this message with the world.

Next steps

► Get your FREE Optimal Thyroid Labs eBook: https://www.drswarren.com/thyroidlabsguide ► Deep dive consultation one-on-one with me: https://www.drswarren.com/drrebeccaconsults ► Join my Thyroid Inner Circle (or get on the waitlist): https://www.drswarren.com/thyroidmembership ► Order your own thyroid labs here: https://www.ultalabtests.com/partners/drswarren

Follow me

• Instagram: @dr.rebeccawarren • Facebook: Dr. Rebecca Warren • YouTube: https://www.youtube.com/c/DrRebeccaWarren

⚠️ Disclaimer

The content of this podcast is for informational purposes only and is not intended as medical advice. Always consult a healthcare professional for any health concerns and before making any changes to your medications. The views expressed in this podcast, including those of Dr. Warren, do not constitute medical advice. The podcast and its host are not liable for any adverse effects resulting from information provided. Opinions of guests are their own, and the podcast does not endorse or assume responsibility for guest statements. Guests may have interests in products or services mentioned. If you have a medical issue, seek the advice of a licensed healthcare provider.

In this episode, Dr. Rebecca shares the three biggest mistakes people make when fasting after thyroidectomy—and why these missteps can leave you feeling worse instead of better. She breaks down how fasting affects thyroid medication, hormone balance, metabolism, and your body's ability to heal. You'll learn why symptoms during fasting are often misinterpreted, and what your body may actually be telling you. This is a clear, empowering guide to fasting safely and effectively when you no longer have a thyroid.

⭐ Your feedback means so much to me! If you've found this episode helpful, please subscribe and leave a 5-star review—it's one of the best ways to help me share this message with the world.

Next steps

► Get your FREE Optimal Thyroid Labs eBook: https://www.drswarren.com/thyroidlabsguide ► Deep dive consultation one-on-one with me: https://www.drswarren.com/drrebeccaconsults ► Join my Thyroid Inner Circle (or get on the waitlist): https://www.drswarren.com/thyroidmembership ► Order your own thyroid labs here: https://www.ultalabtests.com/partners/drswarren

Follow me

• Instagram: @dr.rebeccawarren • Facebook: Dr. Rebecca Warren • YouTube: https://www.youtube.com/c/DrRebeccaWarren

⚠️ Disclaimer

The content of this podcast is for informational purposes only and is not intended as medical advice. Always consult a healthcare professional for any health concerns and before making any changes to your medications. The views expressed in this podcast, including those of Dr. Warren, do not constitute medical advice. The podcast and its host are not liable for any adverse effects resulting from information provided. Opinions of guests are their own, and the podcast does not endorse or assume responsibility for guest statements. Guests may have interests in products or services mentioned. If you have a medical issue, seek the advice of a licensed healthcare provider.

In this episode, Dr. Rebecca Warren dives deep into the intricate relationship between food and thyroid hormone health—especially for those healing after thyroidectomy. After walking through her own journey of overcoming thyroid cancer, she has learned firsthand how crucial it is to understand the role food plays as fuel, not medicine. Her goal in this episode is to clear up common dietary misconceptions and help listeners feel confident about nourishing their bodies well.

She breaks down the controversial topic of gluten, its connection to autoimmune thyroid disorders, and how it can contribute to leaky gut. She also shares the important differences between A1 and A2 dairy, how each affects inflammation and gut function, and why some forms of dairy may be much better tolerated than others. She even dives into the truth about soy and cruciferous vegetables—two foods people often fear unnecessarily—and explains how they can support hormone balance when incorporated mindfully.

Above all, she emphasizes the importance of listening to your body, honoring your unique needs, and avoiding overly restrictive eating patterns that can actually hinder healing. If you're ready to make informed food choices without the overwhelm, this episode is for you.

⭐ Your feedback means so much to me! If you've found this episode helpful, please subscribe and leave a 5-star review—it's one of the best ways to help me share this message with the world.

Next steps

► Get your FREE Optimal Thyroid Labs eBook: https://www.drswarren.com/thyroidlabsguide ► Deep dive consultation one-on-one with me: https://www.drswarren.com/drrebeccaconsults ► Join my Thyroid Inner Circle (or get on the waitlist): https://www.drswarren.com/thyroidmembership ► Order your own thyroid labs here: https://www.ultalabtests.com/partners/drswarren

Follow me

• Instagram: @dr.rebeccawarren • Facebook: Dr. Rebecca Warren • YouTube: https://www.youtube.com/c/DrRebeccaWarren

⚠️ Disclaimer

The content of this podcast is for informational purposes only and is not intended as medical advice. Always consult a healthcare professional for any health concerns and before making any changes to your medications. The views expressed in this podcast, including those of Dr. Warren, do not constitute medical advice. The podcast and its host are not liable for any adverse effects resulting from information provided. Opinions of guests are their own, and the podcast does not endorse or assume responsibility for guest statements. Guests may have interests in products or services mentioned. If you have a medical issue, seek the advice of a licensed healthcare provider.

Dr. Rebecca Warren often meets people who are doing everything "by the book" — taking their medication exactly as instructed — yet still feel tired, foggy, and frustrated. The truth is, the way most people are told to take their thyroid meds isn't individualized for their unique body.

In this episode, she's sharing one simple change that can completely transform how your body uses thyroid hormones. It's something most doctors never talk about, but it can make all the difference in how you heal, function, and feel every day.

If your labs look normal but you don't feel normal, this one's for you.

⭐ Your feedback means so much to me! If you've found this episode helpful, please subscribe and leave a 5-star review—it's one of the best ways to help me share this message with the world.

Next steps

► Get your FREE Optimal Thyroid Labs eBook: https://www.drswarren.com/thyroidlabsguide ► Deep dive consultation one-on-one with me: https://www.drswarren.com/drrebeccaconsults ► Join my Thyroid Inner Circle (or get on the waitlist): https://www.drswarren.com/thyroidmembership ► Order your own thyroid labs here: https://www.ultalabtests.com/partners/drswarren

Follow me

• Instagram: @dr.rebeccawarren • Facebook: Dr. Rebecca Warren • YouTube: https://www.youtube.com/c/DrRebeccaWarren

⚠️ Disclaimer

The content of this podcast is for informational purposes only and is not intended as medical advice. Always consult a healthcare professional for any health concerns and before making any changes to your medications. The views expressed in this podcast, including those of Dr. Warren, do not constitute medical advice. The podcast and its host are not liable for any adverse effects resulting from information provided. Opinions of guests are their own, and the podcast does not endorse or assume responsibility for guest statements. Guests may have interests in products or services mentioned. If you have a medical issue, seek the advice of a licensed healthcare provider.

What if what you've been told is "normal" life after thyroidectomy… isn't?

Too many people are told their labs are "fine" or that fatigue, brain fog, weight gain, or anxiety are just part of living without a thyroid. But here's the truth: those things are not normal—they're warning signs.

We can't ignore the fact that we lost a vital organ. Life will always be different after thyroidectomy—but different doesn't have to mean defeated.

We live in a broken system that convinces you to settle for symptoms instead of solutions. And if you don't question it, you'll be left surviving instead of truly living.

In this episode, Dr. Rebecca exposes what's actually normal versus what's not when you no longer have a thyroid—so you can stop settling and finally start healing.

⭐ Your feedback means so much to me! If you've found this episode helpful, please subscribe and leave a 5-star review—it's one of the best ways to help me share this message with the world.

Next steps

► Get your FREE Optimal Thyroid Labs eBook: https://www.drswarren.com/thyroidlabsguide ► Deep dive consultation one-on-one with me: https://www.drswarren.com/drrebeccaconsults ► Join my Thyroid Inner Circle (or get on the waitlist): https://www.drswarren.com/thyroidmembership ► Order your own thyroid labs here: https://www.ultalabtests.com/partners/drswarren

Follow me

• Instagram: @dr.rebeccawarren • Facebook: Dr. Rebecca Warren • YouTube: https://www.youtube.com/c/DrRebeccaWarren

⚠️ Disclaimer

The content of this podcast is for informational purposes only and is not intended as medical advice. Always consult a healthcare professional for any health concerns and before making any changes to your medications. The views expressed in this podcast, including those of Dr. Warren, do not constitute medical advice. The podcast and its host are not liable for any adverse effects resulting from information provided. Opinions of guests are their own, and the podcast does not endorse or assume responsibility for guest statements. Guests may have interests in products or services mentioned. If you have a medical issue, seek the advice of a licensed healthcare provider.

As women, it's often overlooked just how much hormonal shifts impact our overall health, energy, and ability to stay balanced.

In this episode, Dr. Rebecca goes unfiltered as she shares her own postpartum thyroid hormone imbalance struggles and the steps she's taken to rebuild and stabilize her health over the past two years.

Drawing from personal experience and clinical insight, she breaks down the key lessons every woman should understand about thyroid and hormone balance — what it takes to truly support the body through major hormonal transitions, how to identify when it's time to pivot, and why long-term wellness requires ongoing adaptation.

This episode is a candid look at real-life healing, backed by science and lived experience — designed to help women feel informed, empowered, and equipped to take ownership of their health in every season.

⭐ Your feedback means so much to me! If you've found this episode helpful, please subscribe and leave a 5-star review—it's one of the best ways to help me share this message with the world.

Next steps

► Get your FREE Optimal Thyroid Labs eBook: https://www.drswarren.com/thyroidlabsguide ► Deep dive consultation one-on-one with me: https://www.drswarren.com/drrebeccaconsults ► Join my Thyroid Inner Circle (or get on the waitlist): https://www.drswarren.com/thyroidmembership ► Order your own thyroid labs here: https://www.ultalabtests.com/partners/drswarren

Follow me

• Instagram: @dr.rebeccawarren • Facebook: Dr. Rebecca Warren

⚠️ Disclaimer

The content of this podcast is for informational purposes only and is not intended as medical advice. Always consult a healthcare professional for any health concerns and before making any changes to your medications. The views expressed in this podcast, including those of Dr. Warren, do not constitute medical advice. The podcast and its host are not liable for any adverse effects resulting from information provided. Opinions of guests are their own, and the podcast does not endorse or assume responsibility for guest statements. Guests may have interests in products or services mentioned. If you have a medical issue, seek the advice of a licensed healthcare provider.

During this podcast break, Dr. Rebecca realized how deeply this message still resonates. Even after all this time, so many listeners are still listening, still sharing, and still searching for real answers—and she gets it. Because after 20 years of living without a thyroid, she's seen how truly broken our medical system is.

In this episode, she shares her honest thoughts about what's gone wrong in both conventional and even functional medicine—how women are being dismissed, overmedicated, and made to believe that being a woman is somehow a disease. From thyroid care to fertility to menopause, we've normalized dysfunction instead of healing.

She wants listeners to know there's a different way. You can step out of that system, trust your body again, and move toward real, lasting health. Because healing doesn't come from the outside in—it comes from within.

Listen now and subscribe to The Thyroidless Life Podcast to start taking back your health and your hope.

⭐ Your feedback means so much to me! If you've found this episode helpful, please subscribe and leave a 5-star review—it's one of the best ways to help me share this message with the world.

Next steps

► Get your FREE Optimal Thyroid Labs eBook: https://www.drswarren.com/thyroidlabsguide ► Deep dive consultation one-on-one with me: https://www.drswarren.com/drrebeccaconsults ► Join my Thyroid Inner Circle (or get on the waitlist): https://www.drswarren.com/thyroidmembership ► Order your own thyroid labs here: https://www.ultalabtests.com/partners/drswarren

Follow me

• Instagram: @dr.rebeccawarren • Facebook: Dr. Rebecca Warren • YouTube: https://www.youtube.com/c/DrRebeccaWarren

⚠️ Disclaimer

The content of this podcast is for informational purposes only and is not intended as medical advice. Always consult a healthcare professional for any health concerns and before making any changes to your medications. The views expressed in this podcast, including those of Dr. Warren, do not constitute medical advice. The podcast and its host are not liable for any adverse effects resulting from information provided. Opinions of guests are their own, and the podcast does not endorse or assume responsibility for guest statements. Guests may have interests in products or services mentioned. If you have a medical issue, seek the advice of a licensed healthcare provider.