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Reverse T3–do you have this problem in excess? Let’s talk!

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This blog post has been updated to the current day and time. Enjoy!

Most thyroid patients have heard about T4…the thyroid storage hormone, also called a pro-hormone. You’ll see it in literature as “thyroxine” or “l-thyroxine”–the latter as the name for a man-made T4.

And many know about T3…the active thyroid hormone which rids us of hypothyroid symptoms.

And as patients become more informed, they learn that the body not only converts T4 to T3 through what is called deodination, it also provides some of that T3 directly. That is an important distinction! The latter fact can be why thyroid patients report getting far better results with natural desiccated thyroid (NDT) like Naturethroid, NP Thyroid or other brands.

Patients might also learn that there are actually five thyroid hormones made in your body, which is also what’s found in NDT: T4, T3, T2, T1 and calcitonin.

Reverse T3

But in every individual, whether a thyroid patient or not, a thyroid can also convert T4 to the inactive RT3 (reverse T3).  RT3 is an inactive thyroid hormone, as compared to T3 as the active thyroid hormone. And converting to RT3 is a natural and necessary process, even if there are consequences.(1)  The body might convert T4 to RT3 as a way to clear out excess T4, or as a way to reduce your metabolic rate.  It can happen if you go through any of the following:

  • surgery
  • a major physical accident
  • certain heart problems
  • intense chronic stress
  • restrictive low carbohydrate diets (2)
  • chronic inflammation

When Reverse T3 is a problem

Unfortunately, many thyroid patients make far too much RT3, as well, and patients with their open-minded doctors have been making cutting edge discoveries about this fact.  Many patients have seen that their high levels of RT3 can be found with the following conditions:

  • high cortisol
  • low cortisol
  • low iron levels
  • possibly low B12
  • lyme disease
  • gluten intolerance or Celiac
  • other undiscovered and untreated underlying issues that can go hand-in-hand with being hypothyroid.

Why is a high level of RT3 is problem? That excess RT3 is making itself lazily comfortable on your thyroid cell receptor sites, preventing the active T3 thyroid hormone from doing its job on that same receptor to get you out of your hypothyroid state.  It becomes akin to a clogged up drain to your organs and cells. So you stay hypo and symptomatic, in spite of seemingly “normal” other labwork.

The solution

Informed patients discovered they needed to discover and treat all the reasons contributing to their body converting to excess RT3.

Want to read more? All the below is based on patient experiences and wisdom to share and work with your doctor:

For those with the revised Stop the Thyroid Madness book, there is also more good detail in Chapter 12 called T3 is the Star of the Show, page 155, to continue your education. This is all good information to take into your doctor’s office.

JanieSignature SEIZE THE WISDOM

 

 

 

 

 

 

 

(1) http://press.endocrine.org/doi/abs/10.1210/jcem-41-6-1043

(2) http://press.endocrine.org/doi/abs/10.1210/jcem-42-1-197

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Thyroid Tidbit: Did ya notice that various Armour sizes are back??

armour-tabletsI can remember a few people the past year who proclaimed fervently that Armour was being discontinued because of the shortage.  And I chuckle about it.  Hopefully, my previous posts helped calm that fear.

But in case you haven’t heard, those larger sizes are back!  And you can keep track of what’s going via the Forest Pharmaceuticals customer product availability hotline: 1-866-927-3260  As of today, April 19, they state that the one grain tabs (60 mg) and 1 1/2 grains tabs (90 mg) are on backorder, and will catch up with production on April 20th, tomorrow as I am writing this.  We’ll see.

Unfortunately, the new formulation has made Armour lacking in sweetness, and it’s almost impossible to do it sublingually.  Sad. Maybe another pharmaceutical will get the hint. In the meantime, if you swallow your desiccated thyroid, make sure to avoid calcium, iron and estrogen at the same time. And if you’ve been doing it sublingually, and have to switch to swallowing, you may need a tad more.

Remember: if you have any issues with natural Armour desiccated thyroid in the treatment of your hypothyroidism, you can always ask your doctor for a prescription switch to Naturethroid or Westthroid, both fine FDA-approved, US Pharmacopeia standard prescription desiccated thyroid.

Janie

Want to be informed of my posts? Curious what I am raving about as a Thyroid Patient Activist? You can sign up for a Notification at the bottom of the links to your left.

P.S. If you haven’t bought the Stop the Thyroid Madness book yet, wanted to tell you that numerous patients are emailing me, stating they find the book even easier to refer to than this vast website (plus it has more details and information).  So if you want the ease of referral, the book may be the way to go.