Who needs "T3"? We received a friendly and well-intended comment lately. It illustrated that in today's Global English, we sometimes have a hard time defining and understanding what "T3" means when a person is talking about T3. Are they talking about T3 the hormone, or T3 the pharmaceutical? "I like your content in general, but I’d … Continue reading Focusing on T3: The T3 hormone or the LT3 pharmaceutical?
It's April. You're a thyroid-hormone treated person with a thyroid disability on a fixed budget of thyroid hormone. Have you been feeling hypothyroid in the past few months? If so, you're not alone. If not, thank your thyroid, or your thyroid doctor. Scientific studies show a winter-season loss of Total or Free T3 (FT3) in … Continue reading Winter T3 loss: Why it matters to thyroid patients
As part of my post on "The thyroid gland is a T3 shield," I reviewed a research article by Ingbar and team from 1982. Wow. What a treasure. The title of this article is "Elevated serum thyroxine concentration in patients receiving 'replacement' doses of levothyroxine." Just look at that title. They began their title with … Continue reading Ingbar and Braverman’s historic study of LT4 monotherapy
You might have heard of a "thyroid shield," the flexible lead barrier that you wear when you get X-rays taken of your body, neck or teeth. It's a good time to remind you to ask for one whenever you're at risk of xray exposure to the thyroid, which can cause thyroid cancer. But today my … Continue reading The thyroid gland is a T3 shield. Defend the unshielded.
This is part 2 of a post which began with the question "How do we get enough T3 into our thyroid hormone receptors?" In this post, I discuss the factors that can prevent T3 from getting into receptors. There are two factors that usually operate together: 1) the "variable rate" of T4 conversion in cells, … Continue reading What can prevent T3 from getting into thyroid receptors?