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Overtraining, Undereating & Self-Inflicted Hypothyrodism: Thresholds for Low T3 and High Reverse T3 Levels at 8% & 15% Reduced Energy Intake + Exercise After Only 4 Days!

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This is not a "woman thing" only and your T3 levels are not the only thing that's going to "fall flat" if you starve yourself through your workouts! Yep, low libido => low total testosterone => low free testosterone => hypogonadism, that's what we are talking about, guys. While I did promise to summarize some of the things, I said about creatine kinase, ALT, AST & Co on the last installment of the SuppVersity Science Round-Up on the Super Human Radio Network (I will do that in a future blogpost), today's SuppVersity article will focus on a single and in my experience often misinterpreted and / or overlooked symptom of overtraining that I personally have encountered numerous times in both male and female trainees: Self-induced hypothyrodism , low T3- or the euthyroid sick syndrome are just a couple of names that have been used in the science and laypress to describe this peculiar result of the way trainees deliberately ruin their metab...

Science Round-Up Seconds: Vitamin E Succinate, How It's Extracted from Barley Leaves, Kills Cancer, Ramps up Growth Hormone & Spikes Prolactin. Plus: Testostosterone & Thyroid Hormone Decline Due To Plyometrics & HIIT

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Regardless of all the hypocritical hoopla around his persona, Lance Armstrong has always been able to push himself like no one else. No wonder that intense plyometrics were part of his regimen. If the SuppVersity Science Round Up was a meal, I guess you could say that Carl Lanore and I were sort of gluttonous, yesterday ( click here to download the podcast, if you have not already done so). We almost raced from one topic to another and therefore all the good stuff from the list is gone already and I am a bit pressed on time to get some "private life" in, so that I am not psyched about the idea of writing about auxiliary stuff. Against that background and in view of the fact that I felt that the pace of yesterday's show did not really leave enough room for some important details, I will stick to rehashing and expanding on the stories about Vitamin E succcinate and the detrimental effects of beating the crap out of yourself doing plyometrics or crazy HIIT workouts (...

Hypothyroid, Cold, Tired & Depressed? Try Replacing 50µg of T4 With 12.5µg of T3 - Study Shows, 65% of Patients Would not Want to Go Back to Synthyroid (T4), Only!

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Image 1: Are you taking copious amounts of synthyroid (levothyroxin, T4), already, and feel as if your hypothyroidism became rather worse than better? Does Your Dr tell you that your TSH is fine and you should just exercise more and eat less to stop gaining weight like mad? Than this post is for you! The issue of optimal thyroid medication resurfaced as of late on the SuppVersity facebook wall , when I posted the link to a recently conducted retrospect study in patients who had undergone total thyroidectomy and were now receiving postoperative levothyroxin only hormone therapy by Ito et al. Not to my personal, but obviously to the researchers surprise, the textbook prescription of the "metabolically inactive"  T4 (essentially that is as almost 90% of "general knowledge about thyroid hormone metabolism incorrect as T4 can very well interact with thyroid receptors, it is though TR-alpha specific and has little metabolically activating effects, cf.  Koury. 2009) did ...
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