The physiological steps of thyroid hormones are generated predominantly by T3, virtually all which (approximately 80%) is derived from T4 by deiodination in peripheral tissues. Synthetic T4 is identical in chemical composition to your T4 produced during the human thyroid gland. Levothyroxine sodium has the molecular components C15H10I4NNaO4 ∙ xH2O, https://andersonubein.blogolize.com/a-secret-weapon-for-norflurazepa-78463674