could someone tell me why the t3 in my blood is at 6, within range but why do I have so much reverse t3? And what does this mean my buddy is doing to the t3 medication?
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Happy121
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That looks like a Blue Horizon test, is that right?
How long ago was it done?
When did you take your last dose of Levo and T3 before the test? Last dose of Levo should be 24 hours before and T3 should be split the day before into 2 or 3 doses and last dose should be 8-12 hours before the test.
High rT3 doesn't mean your body is doing anything to your T3. It's doing it to your T4.
When your FT4 and/or FT3 are too high, the body converts more T4 to rT3 than T3 to stop you going 'hyper'. It's a safety mechanism. Reduce your doses and the rT3 might go down.
However, there are many, many causes of rT3 that have nothing to do with thyroid:
* Chronic fatigue
* Acute illness and injury
* Chronic disease
* Increased cortisol (stress)
* Low cortisol (adrenal fatigue)
* Low iron
* Lyme disease
* Chronic inflammation
* Selenium deficiency
* Excess physical, mental and environmental stresses
* Beta-blocker long-term use such as propranolol, metoprolol, etc.
* Physical injury is a common cause of increased RT3
* Viruses, such as flu
* Starvation/severe calorie restriction
* Mistreated diabetes
* Cirrhosis of the liver
* Fatty liver disease
* Renal Failure.
* Fever of unknown cause
* Detoxing high heavy metals levels
* Etc. etc. etc.
And, testing will tell you if your rT3 is high, but it won't tell you why. So, not really much point in testing it.
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