Can hypothyroid be a temporary state induced by over-training and glycogen depletion?
Reply: The simple answer to your question seems to be a definite yes. And what surprised me the most was that it appears that the amount of carbohyrate in your diet rather than the total calories seems to be the most important factor in determining that you might become hypothyroid. In individuals who had become hypothyroid on a starvation diet it appears that simply giving them 200 grams (800 cal) of pure carbos restores them to a normal thyroid state whereas giving them the same amount of calories as either protein or fat does not. Below are some excerpts from the text. Excerpt (pg383-383): “Nutritional Influences: Alterations in nutritional state, whether short-term or chronic, and whether the result of underfeed, overfeed, or merely a change in substrate mix, affect various aspects of throid hormone economy, especially peripheral hormone metabolism. when normal thyroid lean or obese subjects are starved, the serum total and free T3 (thyroid hormone) concentrations decrease abruptly
