{"id":8635,"date":"2020-06-22T12:01:56","date_gmt":"2020-06-22T12:01:56","guid":{"rendered":"https:\/\/cytomel-t3.com\/differenza-tra-t3-e-t4\/"},"modified":"2025-04-28T13:15:25","modified_gmt":"2025-04-28T13:15:25","slug":"differenza-tra-t3-e-t4","status":"publish","type":"page","link":"https:\/\/cytomel-t3.com\/it\/differenza-tra-t3-e-t4\/","title":{"rendered":"Differenza tra T3 e T4"},"content":{"rendered":"<p>[et_pb_section fb_built=&#8221;1&#8243; admin_label=&#8221;section&#8221; _builder_version=&#8221;4.6.1&#8243; background_image=&#8221;https:\/\/cytomel-t3.com\/wp-content\/uploads\/2020\/09\/87335783-blue-brick-wall-texture-industrial-background-for-commercial-use-rough-grunge-blue-texture-imitation-1.jpg&#8221; hover_enabled=&#8221;0&#8243; sticky_enabled=&#8221;0&#8243;][et_pb_row admin_label=&#8221;fila&#8221; _builder_version=&#8221;3.25&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;3.25&#8243; custom_padding=&#8221;|||&#8221; custom_padding__hover=&#8221;|||&#8221;][et_pb_text admin_label=&#8221;Text&#8221; _builder_version=&#8221;4.6.1&#8243; header_font=&#8221;PT Serif||||&#8221; header_font_size=&#8221;50px&#8221; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; text_orientation=&#8221;center&#8221; background_layout=&#8221;dark&#8221; module_alignment=&#8221;center&#8221; use_border_color=&#8221;off&#8221; border_color=&#8221;#ffffff&#8221; border_style=&#8221;solid&#8221;]<\/p>\n<div style=\"color: #ffffff; font-size: 20px !important; line-height: 27px; text-shadow: 0 0 0.3em #000000, 0 0 0.3em #000000, 0 0 0.3em #000000; background: rgba(0,0,0,0.3) !important; display: inline-block; padding: 25px; padding-top: 31px; margin-top: 28px;\">\n<h1 style=\"color: #000000; font-family: Raleway, Lato, Tahoma, Serif;\">Differenza tra T3 e T4<\/h1>\n<\/div>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.6.1&#8243; _module_preset=&#8221;default&#8221; background_enable_color=&#8221;off&#8221; custom_padding=&#8221;||47px|||&#8221; hover_enabled=&#8221;0&#8243; sticky_enabled=&#8221;0&#8243;][et_pb_row _builder_version=&#8221;4.6.1&#8243; _module_preset=&#8221;default&#8221; hover_enabled=&#8221;0&#8243; sticky_enabled=&#8221;0&#8243;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.6.1&#8243; _module_preset=&#8221;default&#8221;][et_pb_text _builder_version=&#8221;4.6.1&#8243; _module_preset=&#8221;default&#8221; hover_enabled=&#8221;0&#8243; sticky_enabled=&#8221;0&#8243;]<\/p>\n<h2><strong>Introduzione<\/strong><\/h2>\n<p>Nel collo, appena sotto il &#8220;pomo d&#8217;Adamo&#8221;, si trova un organo a forma di farfalla. Questo organo \u00e8 noto come<a href=\"https:\/\/www.btf-thyroid.org\/what-is-thyroid-disorder\" target=\"_blank\" rel=\"noopener noreferrer\">&#8220;ghiandola tiroidea<\/a>&#8220;. Questa ghiandola \u00e8 responsabile della produzione di due ormoni molto importanti che influenzano il metabolismo dell&#8217;organismo. Questi ormoni tiroidei sono noti semplicemente come T3 e T4.   <\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.6.1&#8243; _module_preset=&#8221;default&#8221; background_color=&#8221;#e2ebda&#8221; custom_margin=&#8221;-34px|||||&#8221; hover_enabled=&#8221;0&#8243; sticky_enabled=&#8221;0&#8243; overflow-x_last_edited=&#8221;on|desktop&#8221;][et_pb_row column_structure=&#8221;3_4,1_4&#8243; _builder_version=&#8221;4.6.1&#8243; _module_preset=&#8221;default&#8221; hover_enabled=&#8221;0&#8243; sticky_enabled=&#8221;0&#8243;][et_pb_column type=&#8221;3_4&#8243; _builder_version=&#8221;4.6.1&#8243; _module_preset=&#8221;default&#8221;][et_pb_text _builder_version=&#8221;4.6.1&#8243; _module_preset=&#8221;default&#8221;][\/et_pb_text][et_pb_text _builder_version=&#8221;4.6.1&#8243; _module_preset=&#8221;default&#8221; custom_margin=&#8221;-75px|||||&#8221; custom_padding=&#8221;0px|||||&#8221; hover_enabled=&#8221;0&#8243; overflow-x_last_edited=&#8221;on|desktop&#8221; sticky_enabled=&#8221;0&#8243;]<\/p>\n<h2 style=\"text-align: center;\"><strong>Cosa sono il T3 e il T4?<\/strong><\/h2>\n<p>Il T3 \u00e8 noto come<a href=\"https:\/\/cytomel-t3.com\/thyroid-history\/\" target=\"_blank\" rel=\"noopener noreferrer\">&#8220;Triiodotironina<\/a>&#8220;, mentre il T4 prende il nome di &#8220;Tiroxina&#8221;. Entrambi gli ormoni tiroidei sono generati dalla ghiandola tiroidea, ma il T4 \u00e8 principalmente un ormone precursore, cio\u00e8 \u00e8 l&#8217;ormone principale che viene generato dalla ghiandola tiroidea. <\/p>\n<p>Per produrre questo ormone, la ghiandola tiroidea si basa molto sullo iodio disponibile negli alimenti consumati. Sebbene entrambi gli ormoni siano responsabili della regolazione del tasso di metabolismo dell&#8217;organismo, l&#8217;<a href=\"https:\/\/cytomel-t3.com\/thyroid-hormones\/\" target=\"_blank\" rel=\"noopener noreferrer\">ormone tiroideo<\/a> triiodotironina (T3) \u00e8 considerato un ormone molto pi\u00f9 attivo nell&#8217;organismo. <\/p>\n<p>La triiodotironina (T3) penetra facilmente nelle cellule del corpo, poich\u00e9 praticamente tutte le cellule umane possiedono recettori tiroidei. Sebbene la T3 sia una forma molto vivace di ormone tiroideo, va detto che quando la ghiandola tiroidea produce ormoni, circa l&#8217;80% si presenta sotto forma di T4 mentre solo il 20% degli ormoni generati dalla ghiandola \u00e8 in realt\u00e0 T3. <\/p>\n<p>Se un individuo ha difficolt\u00e0 a produrre una quantit\u00e0 sufficiente di ormoni tiroidei, pu\u00f2 essere necessario l&#8217;uso di un ormone sintetico stimolante la tiroide o TSH, come il citomel T3, per aiutare a stimolare la ghiandola tiroidea a generare una quantit\u00e0 sufficiente di ormoni T4 e, immancabilmente, T3.<\/p>\n<p>\u00c8 la sostanza chimica nota come iodotironina deiodinasi che \u00e8 responsabile della trasformazione del T4 in T3 e questo processo di trasformazione avviene prevalentemente nel fegato. Tuttavia, ogni cellula del corpo \u00e8 in parte in grado di effettuare questa trasformazione, ma in misura variabile. <\/p>\n<p>[\/et_pb_text][et_pb_text _builder_version=&#8221;4.6.1&#8243; _module_preset=&#8221;default&#8221;]<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>[\/et_pb_text][\/et_pb_column][et_pb_column type=&#8221;1_4&#8243; _builder_version=&#8221;4.6.1&#8243; _module_preset=&#8221;default&#8221;][et_pb_text _builder_version=&#8221;4.6.1&#8243; _module_preset=&#8221;default&#8221; custom_margin=&#8221;-46px|||||&#8221; hover_enabled=&#8221;0&#8243; overflow-x_last_edited=&#8221;on|desktop&#8221; sticky_enabled=&#8221;0&#8243;]<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cytomel-t3.com\/wp-content\/uploads\/2020\/09\/cartoon-thinking-man-with-question-mark-think-bubble_53562-6953.jpg\" width=\"626\" height=\"626\" alt=\"\" class=\"wp-image-5583 aligncenter size-full\" srcset=\"https:\/\/cytomel-t3.com\/wp-content\/uploads\/2020\/09\/cartoon-thinking-man-with-question-mark-think-bubble_53562-6953.jpg 626w, https:\/\/cytomel-t3.com\/wp-content\/uploads\/2020\/09\/cartoon-thinking-man-with-question-mark-think-bubble_53562-6953-480x480.jpg 480w\" sizes=\"auto, (min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 626px, 100vw\" \/><\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.6.1&#8243; _module_preset=&#8221;default&#8221; custom_margin=&#8221;-188px|||||&#8221; hover_enabled=&#8221;0&#8243; overflow-x_last_edited=&#8221;on|desktop&#8221; sticky_enabled=&#8221;0&#8243;][et_pb_row column_structure=&#8221;1_5,3_5,1_5&#8243; _builder_version=&#8221;4.6.1&#8243; _module_preset=&#8221;default&#8221; hover_enabled=&#8221;0&#8243; overflow-x_last_edited=&#8221;on|desktop&#8221; sticky_enabled=&#8221;0&#8243;][et_pb_column type=&#8221;1_5&#8243; _builder_version=&#8221;4.6.1&#8243; _module_preset=&#8221;default&#8221;][et_pb_text _builder_version=&#8221;4.6.1&#8243; _module_preset=&#8221;default&#8221; hover_enabled=&#8221;0&#8243; overflow-x_last_edited=&#8221;on|desktop&#8221; sticky_enabled=&#8221;0&#8243;]<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cytomel-t3.com\/wp-content\/uploads\/2020\/09\/Euro-Pharmacies-T4-1.jpg\" width=\"800\" height=\"800\" alt=\"\" class=\"wp-image-5566 aligncenter size-full\" srcset=\"https:\/\/cytomel-t3.com\/wp-content\/uploads\/2020\/09\/Euro-Pharmacies-T4-1.jpg 800w, https:\/\/cytomel-t3.com\/wp-content\/uploads\/2020\/09\/Euro-Pharmacies-T4-1-300x300.jpg 300w, https:\/\/cytomel-t3.com\/wp-content\/uploads\/2020\/09\/Euro-Pharmacies-T4-1-150x150.jpg 150w, https:\/\/cytomel-t3.com\/wp-content\/uploads\/2020\/09\/Euro-Pharmacies-T4-1-768x768.jpg 768w, https:\/\/cytomel-t3.com\/wp-content\/uploads\/2020\/09\/Euro-Pharmacies-T4-1-65x65.jpg 65w, https:\/\/cytomel-t3.com\/wp-content\/uploads\/2020\/09\/Euro-Pharmacies-T4-1-100x100.jpg 100w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>[\/et_pb_text][\/et_pb_column][et_pb_column type=&#8221;3_5&#8243; _builder_version=&#8221;4.6.1&#8243; _module_preset=&#8221;default&#8221;][et_pb_text _builder_version=&#8221;4.6.1&#8243; _module_preset=&#8221;default&#8221; hover_enabled=&#8221;0&#8243; overflow-x_last_edited=&#8221;on|desktop&#8221; sticky_enabled=&#8221;0&#8243;]<\/p>\n<p style=\"text-align: center;\"><strong><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cytomel-t3.com\/wp-content\/uploads\/2020\/09\/body-weight-loss-young-woman-making-her-run-workout-to-lose-overweight-her-stages-her-conditions-shown-progress-36292675-1024x547.jpg\" width=\"736\" height=\"393\" alt=\"\" class=\"wp-image-5586 aligncenter size-large\"><\/strong><\/p>\n<h2 style=\"text-align: center;\"><strong>Le principali differenze tra la triiodotironina (T3) e la tiroxina (T4)<\/strong><\/h2>\n<p>Come gi\u00e0 detto, la triiodotironina \u00e8 il principale ormone tiroideo. L&#8217;ormone T3 \u00e8 noto come il catalizzatore che influenza attivamente la fisiologia umana in diversi modi. Ad esempio, il T3 \u00e8 il principale <a href=\"https:\/\/cytomel-t3.com\/thyroid-function\/\" target=\"_blank\" rel=\"noopener noreferrer\">responsabile <\/a>di:  <\/p>\n<ul>\n<li>costruire e influenzare lo stato di salute mentale di una persona,<\/li>\n<li>catabolismo delle proteine e dell&#8217;amido,<\/li>\n<li>ispessimento dell&#8217;endometrio nelle donne,<\/li>\n<li>migliorare l&#8217;influenza delle catecolamine e<\/li>\n<li>influenzando il tasso di metabolismo, la ventilazione e il battito cardiaco nell&#8217;uomo.<\/li>\n<\/ul>\n<p>Il T4 \u00e8 il principale ormone tiroideo generato dalla ghiandola tiroidea, mentre il T3 viene prodotto dal T4 e principalmente nel fegato. Quindi la tiroide genera pi\u00f9 T4 e meno T3. Il livello tipico di triiodotironina completa (T3) nel sangue \u00e8 compreso tra 5,0 \u03bcg\/dL e 12 \u03bcg\/dL, mentre quello della tiroxina libera (T4) \u00e8 compreso tra 80 ng\/dL e 190 ng\/dL.  <\/p>\n<p>Il livello di tiroxina assoluta (T4) nel sangue \u00e8 compreso tra 1,0 ng\/dL e 3,0 ng\/dL, mentre quello di triiodotironina libera (T3) \u00e8 compreso tra 0,25 ng\/dL e 0,65 ng\/dL.<\/p>\n<p>&nbsp;<\/p>\n<blockquote>\n<p><strong><em>La triiodotironina (T3) \u00e8 forse il pi\u00f9 attivo dei due ormoni tiroidei, ma sia la T3 che la T4 svolgono un ruolo fondamentale nella regolazione del tasso metabolico dell&#8217;organismo.<\/em><\/strong><\/p>\n<\/blockquote>\n<p>[\/et_pb_text][\/et_pb_column][et_pb_column type=&#8221;1_5&#8243; _builder_version=&#8221;4.6.1&#8243; _module_preset=&#8221;default&#8221;][et_pb_text _builder_version=&#8221;4.6.1&#8243; _module_preset=&#8221;default&#8221; hover_enabled=&#8221;0&#8243; overflow-x_last_edited=&#8221;on|desktop&#8221; sticky_enabled=&#8221;0&#8243;]<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cytomel-t3.com\/wp-content\/uploads\/2020\/05\/CYTOMEL-a-techlabs-1024x1024.jpg\" width=\"715\" height=\"715\" alt=\"CYTOMEL\" class=\"wp-image-5483 aligncenter size-large\" srcset=\"https:\/\/cytomel-t3.com\/wp-content\/uploads\/2020\/05\/CYTOMEL-a-techlabs-1024x1024.jpg 1024w, https:\/\/cytomel-t3.com\/wp-content\/uploads\/2020\/05\/CYTOMEL-a-techlabs-150x150.jpg 150w, https:\/\/cytomel-t3.com\/wp-content\/uploads\/2020\/05\/CYTOMEL-a-techlabs-300x300.jpg 300w, https:\/\/cytomel-t3.com\/wp-content\/uploads\/2020\/05\/CYTOMEL-a-techlabs-768x768.jpg 768w, https:\/\/cytomel-t3.com\/wp-content\/uploads\/2020\/05\/CYTOMEL-a-techlabs-65x65.jpg 65w, https:\/\/cytomel-t3.com\/wp-content\/uploads\/2020\/05\/CYTOMEL-a-techlabs-100x100.jpg 100w, https:\/\/cytomel-t3.com\/wp-content\/uploads\/2020\/05\/CYTOMEL-a-techlabs-1080x1080.jpg 1080w, https:\/\/cytomel-t3.com\/wp-content\/uploads\/2020\/05\/CYTOMEL-a-techlabs.jpg 1153w\" sizes=\"auto, (max-width: 715px) 100vw, 715px\" \/><\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>[et_pb_section fb_built=&#8221;1&#8243; admin_label=&#8221;section&#8221; _builder_version=&#8221;4.6.1&#8243; background_image=&#8221;https:\/\/cytomel-t3.com\/wp-content\/uploads\/2020\/09\/87335783-blue-brick-wall-texture-industrial-background-for-commercial-use-rough-grunge-blue-texture-imitation-1.jpg&#8221; hover_enabled=&#8221;0&#8243; sticky_enabled=&#8221;0&#8243;][et_pb_row admin_label=&#8221;fila&#8221; _builder_version=&#8221;3.25&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;3.25&#8243; custom_padding=&#8221;|||&#8221; custom_padding__hover=&#8221;|||&#8221;][et_pb_text admin_label=&#8221;Text&#8221; _builder_version=&#8221;4.6.1&#8243; header_font=&#8221;PT Serif||||&#8221; header_font_size=&#8221;50px&#8221; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; text_orientation=&#8221;center&#8221; background_layout=&#8221;dark&#8221; module_alignment=&#8221;center&#8221; use_border_color=&#8221;off&#8221; border_color=&#8221;#ffffff&#8221; border_style=&#8221;solid&#8221;] Differenza tra T3 e T4 [\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.6.1&#8243; _module_preset=&#8221;default&#8221; background_enable_color=&#8221;off&#8221; custom_padding=&#8221;||47px|||&#8221; hover_enabled=&#8221;0&#8243; sticky_enabled=&#8221;0&#8243;][et_pb_row _builder_version=&#8221;4.6.1&#8243; _module_preset=&#8221;default&#8221; hover_enabled=&#8221;0&#8243; sticky_enabled=&#8221;0&#8243;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.6.1&#8243; _module_preset=&#8221;default&#8221;][et_pb_text _builder_version=&#8221;4.6.1&#8243; _module_preset=&#8221;default&#8221; hover_enabled=&#8221;0&#8243; sticky_enabled=&#8221;0&#8243;] Introduzione [&hellip;]<\/p>\n","protected":false},"author":15,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"class_list":["post-8635","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Differenza tra T3 e T4 | Cytomel T3<\/title>\n<meta name=\"description\" content=\"Qual \u00e8 la differenza tra gli ormoni tiroidei T3 e T4? 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