{"id":3941,"date":"2026-07-30T11:27:36","date_gmt":"2026-07-30T09:27:36","guid":{"rendered":"https:\/\/www.stay-trained.com\/?p=3941"},"modified":"2026-07-30T11:27:36","modified_gmt":"2026-07-30T09:27:36","slug":"https-www-stay-trained-com-it-alimentazione-come-assumere-la-vitamina-d","status":"publish","type":"post","link":"https:\/\/www.stay-trained.com\/it\/alimentazione\/https-www-stay-trained-com-it-alimentazione-come-assumere-la-vitamina-d\/","title":{"rendered":"Vitamina D: quando assumerla e perch\u00e9 \u00e8 importante per chi fa sport"},"content":{"rendered":"<p><span class=\"TextRun SCXW266047236 BCX0\" lang=\"IT-IT\" xml:lang=\"IT-IT\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW266047236 BCX0\">Capire cos\u2019\u00e8 la\u00a0<\/span><\/span><a class=\"Hyperlink SCXW266047236 BCX0\" href=\"https:\/\/www.namedsport.com\/it\/prodotti\/vitamine.html\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"TextRun Underlined SCXW266047236 BCX0\" lang=\"IT-IT\" xml:lang=\"IT-IT\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW266047236 BCX0\" data-ccp-charstyle=\"Hyperlink\">vitamina D<\/span><\/span><\/a><span class=\"TextRun SCXW266047236 BCX0\" lang=\"IT-IT\" xml:lang=\"IT-IT\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW266047236 BCX0\">\u00a0aiuta a dare un senso a molte sensazioni che si provano durante la stagione di allenamento. Non si tratta soltanto della\u00a0<\/span><\/span><span class=\"TextRun SCXW266047236 BCX0\" lang=\"IT-IT\" xml:lang=\"IT-IT\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW266047236 BCX0\">vitamina del sole<\/span><\/span><span class=\"TextRun SCXW266047236 BCX0\" lang=\"IT-IT\" xml:lang=\"IT-IT\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW266047236 BCX0\">\u00a0legata alle giornate estive: contribuisce al mantenimento di ossa normali, alla normale funzione muscolare, alla funzionalit\u00e0 del sistema immunitario e al mantenimento di livelli normali di calcio nel sangue. Per chi si\u00a0<\/span><\/span><span class=\"TextRun SCXW266047236 BCX0\" lang=\"IT-IT\" xml:lang=\"IT-IT\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW266047236 BCX0\">allena con regolarit\u00e0<\/span><\/span><span class=\"TextRun SCXW266047236 BCX0\" lang=\"IT-IT\" xml:lang=\"IT-IT\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW266047236 BCX0\">, questo significa contrazioni pi\u00f9 efficienti, una struttura ossea pi\u00f9 solida e una migliore continuit\u00e0 tra le sedute. Se ti stai chiedendo quando assumere la vitamina D e perch\u00e9 \u00e8 importante anche per chi fa sport, qui trovi una guida completa e pratica.<\/span><\/span><span class=\"EOP Selected SCXW266047236 BCX0\" data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><\/p>\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-3947\" src=\"https:\/\/www.stay-trained.com\/wp-content\/uploads\/2026\/07\/Vitamina-D-2907262-1024x667.jpg\" alt=\"Persona nuota con cuffia e occhialini \" width=\"1024\" height=\"667\" srcset=\"https:\/\/www.stay-trained.com\/wp-content\/uploads\/2026\/07\/Vitamina-D-2907262-1024x667.jpg 1024w, https:\/\/www.stay-trained.com\/wp-content\/uploads\/2026\/07\/Vitamina-D-2907262-300x196.jpg 300w, https:\/\/www.stay-trained.com\/wp-content\/uploads\/2026\/07\/Vitamina-D-2907262-768x501.jpg 768w, https:\/\/www.stay-trained.com\/wp-content\/uploads\/2026\/07\/Vitamina-D-2907262-1536x1001.jpg 1536w, https:\/\/www.stay-trained.com\/wp-content\/uploads\/2026\/07\/Vitamina-D-2907262-2048x1335.jpg 2048w, https:\/\/www.stay-trained.com\/wp-content\/uploads\/2026\/07\/Vitamina-D-2907262-644x420.jpg 644w, https:\/\/www.stay-trained.com\/wp-content\/uploads\/2026\/07\/Vitamina-D-2907262-696x454.jpg 696w, https:\/\/www.stay-trained.com\/wp-content\/uploads\/2026\/07\/Vitamina-D-2907262-1068x696.jpg 1068w, https:\/\/www.stay-trained.com\/wp-content\/uploads\/2026\/07\/Vitamina-D-2907262-1920x1251.jpg 1920w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<p><\/p>\n<h2><strong><span class=\"TextRun SCXW127533972 BCX0\" lang=\"IT-IT\" xml:lang=\"IT-IT\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW127533972 BCX0\">Cos\u2019\u00e8 la vitamina D e perch\u00e9 conta nello sport<\/span><\/span><span class=\"EOP SCXW127533972 BCX0\" data-ccp-props=\"{}\">\u00a0<\/span><\/strong><\/h2>\n<p><span data-contrast=\"none\">La vitamina D \u00e8 il\u00a0<\/span><b><span data-contrast=\"none\">tassello fisiologico<\/span><\/b><span data-contrast=\"none\">\u00a0che consente all\u2019allenamento di esprimere il suo potenziale. Favorisce l\u2019assorbimento del calcio e il rimodellamento osseo, un aspetto rilevante quando lo scheletro \u00e8 sottoposto a carichi ripetuti, come nei periodi di volume elevato o nei microcicli pi\u00f9 intensi. Sul piano neuromuscolare sostiene la contrazione e la coordinazione.\u00a0Inoltre, contribuisce alla normale\u00a0<\/span><a href=\"https:\/\/www.stay-trained.com\/it\/alimentazione\/difese-immunitarie-quanto-sono-importanti-per-lo-sport\/\"><span data-contrast=\"none\">funzione del sistema immunitario<\/span><\/a><span data-contrast=\"none\">,\u00a0identificandosi come\u00a0un supporto utile per affrontare le fasi di carico senza interruzioni dovute a raffreddori o infezioni delle vie respiratorie.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"none\">La\u00a0<\/span><b><span data-contrast=\"none\">carenza \u00e8 comune anche tra gli sportivi<\/span><\/b><span data-contrast=\"none\">. Allenamenti indoor, uso corretto della protezione solare, stagioni con poco irraggiamento UVB, fototipo scuro e abbigliamento tecnico che copre gran parte del corpo limitano la quota di vitamina D sintetizzata dalla pelle. Monitorare i livelli e programmare una strategia ragionata pu\u00f2\u00a0aiutare ad avere\u00a0una stagione\u00a0di allenamento\u00a0costante.<\/span><\/p>\n<h2><strong><span class=\"TextRun SCXW209481659 BCX0\" lang=\"IT-IT\" xml:lang=\"IT-IT\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW209481659 BCX0\">Come capire se hai bisogno di integrare la vitamina D<\/span><\/span><span class=\"EOP SCXW209481659 BCX0\" data-ccp-props=\"{}\">\u00a0<\/span><\/strong><\/h2>\n<p><span data-contrast=\"none\">Il riferimento principale \u00e8 l\u2019esame ematico della 25-idrossivitamina D, indicata come 25(OH)D. In linea generale si considerano:<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"43\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;multilevel&quot;}\" data-aria-posinset=\"1\" data-aria-level=\"1\"><b><span data-contrast=\"none\">Carenza\u00a0di vitamina D<\/span><\/b><span data-contrast=\"none\">: valori sotto 20 ng\/ml.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/li>\n<\/ul>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"43\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;multilevel&quot;}\" data-aria-posinset=\"2\" data-aria-level=\"1\"><b><span data-contrast=\"none\">Insufficienza\u00a0di vitamina D<\/span><\/b><span data-contrast=\"none\">: valori tra 20 e 29 ng\/ml.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/li>\n<\/ul>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"43\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;multilevel&quot;}\" data-aria-posinset=\"3\" data-aria-level=\"1\"><b><span data-contrast=\"none\">Vitamina D sufficiente<\/span><\/b><span data-contrast=\"none\">: valori tra 30 e 50 ng\/ml, con un range spesso considerato funzionale per chi si allena tra 30 e 60 ng\/ml.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/li>\n<\/ul>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"43\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;multilevel&quot;}\" data-aria-posinset=\"4\" data-aria-level=\"1\"><b><span data-contrast=\"none\">Eccesso\u00a0di vitamina D<\/span><\/b><span data-contrast=\"none\">: valori oltre 100 ng\/ml, che aumentano il rischio di effetti indesiderati.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/li>\n<\/ul>\n<p><\/p>\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"667\" class=\"wp-image-3951\" src=\"https:\/\/www.stay-trained.com\/wp-content\/uploads\/2026\/07\/Vitamina-D-2907263-1024x667.jpg\" alt=\"Due ragazze sorridono mentre si abbracciano al tramonto in spieggia\" srcset=\"https:\/\/www.stay-trained.com\/wp-content\/uploads\/2026\/07\/Vitamina-D-2907263-1024x667.jpg 1024w, https:\/\/www.stay-trained.com\/wp-content\/uploads\/2026\/07\/Vitamina-D-2907263-300x196.jpg 300w, https:\/\/www.stay-trained.com\/wp-content\/uploads\/2026\/07\/Vitamina-D-2907263-768x501.jpg 768w, https:\/\/www.stay-trained.com\/wp-content\/uploads\/2026\/07\/Vitamina-D-2907263-1536x1001.jpg 1536w, https:\/\/www.stay-trained.com\/wp-content\/uploads\/2026\/07\/Vitamina-D-2907263-2048x1335.jpg 2048w, https:\/\/www.stay-trained.com\/wp-content\/uploads\/2026\/07\/Vitamina-D-2907263-644x420.jpg 644w, https:\/\/www.stay-trained.com\/wp-content\/uploads\/2026\/07\/Vitamina-D-2907263-696x454.jpg 696w, https:\/\/www.stay-trained.com\/wp-content\/uploads\/2026\/07\/Vitamina-D-2907263-1068x696.jpg 1068w, https:\/\/www.stay-trained.com\/wp-content\/uploads\/2026\/07\/Vitamina-D-2907263-1920x1251.jpg 1920w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<p><\/p>\n<h3><strong><span class=\"TextRun SCXW192135915 BCX0\" lang=\"IT-IT\" xml:lang=\"IT-IT\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW192135915 BCX0\">Quando fare gli esami e quali segnali osservare<\/span><\/span><span class=\"EOP SCXW192135915 BCX0\" data-ccp-props=\"{}\">\u00a0<\/span><\/strong><\/h3>\n<p><span data-contrast=\"none\">Ha senso misurare la 25(OH)D tra fine inverno e inizio primavera, il periodo in cui si colloca il nadir stagionale, e ripetere l\u2019esame a fine estate per valutare quanto la stagione calda abbia contribuito. Alcuni segnali possono\u00a0<\/span><b><span data-contrast=\"none\">suggerire una possibile carenza<\/span><\/b><span data-contrast=\"none\">, anche se restano aspecifici e vanno sempre confermati dall\u2019esame del sangue:<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"44\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;multilevel&quot;}\" data-aria-posinset=\"1\" data-aria-level=\"1\"><span data-contrast=\"none\">stanchezza non spiegata e calo della forza percepita;<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/li>\n<\/ul>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"44\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;multilevel&quot;}\" data-aria-posinset=\"2\" data-aria-level=\"1\"><span data-contrast=\"none\">crampi o dolori muscolari ricorrenti;<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/li>\n<\/ul>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"44\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;multilevel&quot;}\" data-aria-posinset=\"3\" data-aria-level=\"1\"><span data-contrast=\"none\">maggiore suscettibilit\u00e0 a infezioni respiratorie;<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/li>\n<\/ul>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"44\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;multilevel&quot;}\" data-aria-posinset=\"4\" data-aria-level=\"1\"><span data-contrast=\"none\">infortuni da stress pi\u00f9 frequenti del solito.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/li>\n<\/ul>\n<p><\/p>\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"667\" class=\"wp-image-3955\" src=\"https:\/\/www.stay-trained.com\/wp-content\/uploads\/2026\/07\/Vitamina-D-2907264-1024x667.jpg\" alt=\"Persona in campo da tennis sta per colpire la pallina con la racchetta\" srcset=\"https:\/\/www.stay-trained.com\/wp-content\/uploads\/2026\/07\/Vitamina-D-2907264-1024x667.jpg 1024w, https:\/\/www.stay-trained.com\/wp-content\/uploads\/2026\/07\/Vitamina-D-2907264-300x196.jpg 300w, https:\/\/www.stay-trained.com\/wp-content\/uploads\/2026\/07\/Vitamina-D-2907264-768x501.jpg 768w, https:\/\/www.stay-trained.com\/wp-content\/uploads\/2026\/07\/Vitamina-D-2907264-1536x1001.jpg 1536w, https:\/\/www.stay-trained.com\/wp-content\/uploads\/2026\/07\/Vitamina-D-2907264-2048x1335.jpg 2048w, https:\/\/www.stay-trained.com\/wp-content\/uploads\/2026\/07\/Vitamina-D-2907264-644x420.jpg 644w, https:\/\/www.stay-trained.com\/wp-content\/uploads\/2026\/07\/Vitamina-D-2907264-696x454.jpg 696w, https:\/\/www.stay-trained.com\/wp-content\/uploads\/2026\/07\/Vitamina-D-2907264-1068x696.jpg 1068w, https:\/\/www.stay-trained.com\/wp-content\/uploads\/2026\/07\/Vitamina-D-2907264-1920x1251.jpg 1920w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<p><\/p>\n<p><span data-contrast=\"none\">Se ti alleni prevalentemente al chiuso, hai un fototipo scuro, vivi in zone con inverni lunghi o segui una dieta povera di fonti di vitamina D, il\u00a0<\/span><b><span data-contrast=\"none\">confronto con il medico o con un nutrizionista sportivo<\/span><\/b><span data-contrast=\"none\">\u00a0aiuta a definire target, dose e forma pi\u00f9 adatti al tuo caso.<\/span><\/p>\n<h2><strong><span class=\"TextRun SCXW107596793 BCX0\" lang=\"IT-IT\" xml:lang=\"IT-IT\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW107596793 BCX0\">Le fonti di vitamina D<\/span><\/span><\/strong><\/h2>\n<h3><strong><span class=\"TextRun SCXW258350262 BCX0\" lang=\"IT-IT\" xml:lang=\"IT-IT\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW258350262 BCX0\"> Vitamina D dal sole<\/span><\/span><\/strong><\/h3>\n<p><span class=\"TextRun SCXW126917046 BCX0\" lang=\"IT-IT\" xml:lang=\"IT-IT\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW126917046 BCX0\">T<\/span><span class=\"NormalTextRun SCXW126917046 BCX0\">ra\u00a0<\/span><span class=\"NormalTextRun SCXW126917046 BCX0\">la\u00a0<\/span><span class=\"NormalTextRun SCXW126917046 BCX0\">tarda primavera e\u00a0<\/span><span class=\"NormalTextRun SCXW126917046 BCX0\">l\u2019<\/span><span class=\"NormalTextRun SCXW126917046 BCX0\">estate, una breve esposizione di braccia e gambe nelle ore centrali della giornata, ripetuta alcune volte a settimana, pu\u00f2 contribuire in modo significativo alla sintesi cutanea. La risposta cambia in base a latitudine, fototipo, stagione, nuvolosit\u00e0 e superficie corporea esposta; la protezione della pelle resta comunque prioritaria.<\/span><\/span><span class=\"EOP Selected SCXW126917046 BCX0\" data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<h3><strong><span class=\"NormalTextRun SCXW47362616 BCX0\">Vitamina D\u00a0<\/span><\/strong><span class=\"NormalTextRun SCXW47362616 BCX0\"><strong>dall\u2019alimentazione<\/strong><\/span><\/h3>\n<p><span class=\"NormalTextRun SCXW77550769 BCX0\">L<\/span><span class=\"NormalTextRun SCXW77550769 BCX0\">e fonti naturali principali sono i pesci grassi come salmone, sgombro e aringa, l\u2019olio di fegato di merluzzo, il tuorlo d\u2019uovo e i funghi esposti a raggi UV. Anche alimenti fortificati come latte, yogurt e bevande vegetali possono contribuire all\u2019apporto complessivo.<\/span><\/p>\n<h3><strong><span class=\"TextRun SCXW48399695 BCX0\" lang=\"IT-IT\" xml:lang=\"IT-IT\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW48399695 BCX0\">Vitamina D\u00a0<\/span><span class=\"NormalTextRun SCXW48399695 BCX0\">dagli integratori<\/span><\/span><\/strong><\/h3>\n\n\n<p>la forma pi\u00f9 studiata e biodisponibile \u00e8 il colecalciferolo, ovvero la\u00a0<a href=\"https:\/\/www.stay-trained.com\/it\/allenamento\/il-ruolo-della-vitamina-d3\/\" target=\"_blank\" rel=\"noreferrer noopener\">vitamina D3<\/a>, spesso disponibile in formulazioni oleose come gocce,\u00a0softgel\u00a0o spray. Associarla\u00a0a un pasto con grassi di qualit\u00e0, come olio extravergine d\u2019oliva, frutta secca, avocado o pesce, ne favorisce l\u2019assorbimento.\u00a0<\/p>\n\n\n\n<p>Nella pratica, la sola dieta copre spesso solo una parte del fabbisogno, soprattutto quando l\u2019esposizione solare \u00e8 scarsa e l\u2019allenamento aumenta le richieste generali dell\u2019organismo.<\/p>\n\n\n<h2><strong><span class=\"TextRun SCXW98089262 BCX0\" lang=\"IT-IT\" xml:lang=\"IT-IT\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW98089262 BCX0\">Dosi, tempistica e strategie per chi si allena<\/span><\/span><\/strong><\/h2>\n<p><span data-contrast=\"none\">Non esiste un\u2019unica dose valida per tutti: et\u00e0, massa corporea, fototipo, stagione, dieta e valore basale guidano la personalizzazione, sempre con il supporto del medico o di un professionista.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"46\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;multilevel&quot;}\" data-aria-posinset=\"1\" data-aria-level=\"1\"><b><span data-contrast=\"none\">Dosaggi<\/span><\/b><span data-contrast=\"none\">: per gli adulti, molte linee di riferimento indicano 600-1000 UI al giorno come base di mantenimento. In caso di insufficienza o carenza accertata, il medico pu\u00f2 suggerire dosaggi pi\u00f9 elevati o protocolli settimanali per raggiungere il target desiderato.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/li>\n<\/ul>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"46\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;multilevel&quot;}\" data-aria-posinset=\"2\" data-aria-level=\"1\"><b><span data-contrast=\"none\">Tempistica<\/span><\/b><span data-contrast=\"none\">: la vitamina D \u00e8 liposolubile e si assorbe meglio in presenza di grassi. Conta pi\u00f9 la costanza dell\u2019orario preciso: sceglierla per un pasto comodo, come il pranzo o la cena, e mantenere la routine \u00e8 la strategia pi\u00f9 efficace.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/li>\n<\/ul>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"46\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;multilevel&quot;}\" data-aria-posinset=\"3\" data-aria-level=\"1\"><b><span data-contrast=\"none\">Strategia stagionale<\/span><\/b><span data-contrast=\"none\">: nei periodi critici come autunno-inverno, con allenamenti prevalentemente indoor o trasferte verso latitudini con scarso irraggiamento, pianificare in anticipo una dose di mantenimento aiuta a evitare cali improvvisi proprio quando i carichi aumentano.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/li>\n<\/ul>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"46\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;multilevel&quot;}\" data-aria-posinset=\"4\" data-aria-level=\"1\"><b><span data-contrast=\"none\">Monitoraggio<\/span><\/b><span data-contrast=\"none\">: dopo un cambio di dose o una transizione stagionale, ripetere la 25(OH)D ogni 8-12 settimane consente di verificare l\u2019andamento ed evitare sia carenze persistenti sia eccessi.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/li>\n<\/ul>\n<p><\/p>\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"667\" class=\"wp-image-3959\" src=\"https:\/\/www.stay-trained.com\/wp-content\/uploads\/2026\/07\/Vitamina-D-2907265-1024x667.jpg\" alt=\"Tre ragazzi stanno per giocare a beach volley in spiaggia\" srcset=\"https:\/\/www.stay-trained.com\/wp-content\/uploads\/2026\/07\/Vitamina-D-2907265-1024x667.jpg 1024w, https:\/\/www.stay-trained.com\/wp-content\/uploads\/2026\/07\/Vitamina-D-2907265-300x196.jpg 300w, https:\/\/www.stay-trained.com\/wp-content\/uploads\/2026\/07\/Vitamina-D-2907265-768x501.jpg 768w, https:\/\/www.stay-trained.com\/wp-content\/uploads\/2026\/07\/Vitamina-D-2907265-1536x1001.jpg 1536w, https:\/\/www.stay-trained.com\/wp-content\/uploads\/2026\/07\/Vitamina-D-2907265-2048x1335.jpg 2048w, https:\/\/www.stay-trained.com\/wp-content\/uploads\/2026\/07\/Vitamina-D-2907265-644x420.jpg 644w, https:\/\/www.stay-trained.com\/wp-content\/uploads\/2026\/07\/Vitamina-D-2907265-696x454.jpg 696w, https:\/\/www.stay-trained.com\/wp-content\/uploads\/2026\/07\/Vitamina-D-2907265-1068x696.jpg 1068w, https:\/\/www.stay-trained.com\/wp-content\/uploads\/2026\/07\/Vitamina-D-2907265-1920x1251.jpg 1920w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<p><\/p>\n<h2><strong><span class=\"TextRun SCXW115264181 BCX0\" lang=\"IT-IT\" xml:lang=\"IT-IT\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW115264181 BCX0\">Sicurezza e buone pratiche nell\u2019integrazione<\/span><\/span><\/strong><\/h2>\n<p><span data-contrast=\"none\">Un\u00a0<\/span><b><span data-contrast=\"none\">eccesso di vitamina D<\/span><\/b><span data-contrast=\"none\">\u00a0pu\u00f2 determinare ipercalcemia, con sintomi come nausea, stitichezza, aumento della sete e della minzione, debolezza e, nei casi pi\u00f9 gravi, complicazioni pi\u00f9 serie. Per questo motivo i protocolli ad alto dosaggio andrebbero sempre gestiti con il supporto di un professionista.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"none\">Alcune interazioni meritano attenzione: diuretici tiazidici, alcuni anticonvulsivanti, glucocorticoidi e farmaci come l\u2019orlistat\u00a0possono alterare i livelli o l\u2019assorbimento della vitamina D. L\u2019associazione con il calcio va personalizzata, mentre l\u2019eventuale abbinamento con la vitamina K2 pu\u00f2 contribuire a indirizzare il calcio verso l\u2019osso. In presenza di patologie renali, paratiroidee o granulomatose, i tempi e\u00a0<\/span><b><span data-contrast=\"none\">le dosi vanno sempre concordati con il medico<\/span><\/b><span data-contrast=\"none\">.<\/span><\/p>\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"667\" src=\"https:\/\/www.stay-trained.com\/wp-content\/uploads\/2026\/07\/Vitamina-D-2907266-1024x667.jpg\" alt=\"Uomo cammina sulla cima di una montagna\" class=\"wp-image-3963\" srcset=\"https:\/\/www.stay-trained.com\/wp-content\/uploads\/2026\/07\/Vitamina-D-2907266-1024x667.jpg 1024w, https:\/\/www.stay-trained.com\/wp-content\/uploads\/2026\/07\/Vitamina-D-2907266-300x196.jpg 300w, https:\/\/www.stay-trained.com\/wp-content\/uploads\/2026\/07\/Vitamina-D-2907266-768x501.jpg 768w, https:\/\/www.stay-trained.com\/wp-content\/uploads\/2026\/07\/Vitamina-D-2907266-1536x1001.jpg 1536w, https:\/\/www.stay-trained.com\/wp-content\/uploads\/2026\/07\/Vitamina-D-2907266-2048x1335.jpg 2048w, https:\/\/www.stay-trained.com\/wp-content\/uploads\/2026\/07\/Vitamina-D-2907266-644x420.jpg 644w, https:\/\/www.stay-trained.com\/wp-content\/uploads\/2026\/07\/Vitamina-D-2907266-696x454.jpg 696w, https:\/\/www.stay-trained.com\/wp-content\/uploads\/2026\/07\/Vitamina-D-2907266-1068x696.jpg 1068w, https:\/\/www.stay-trained.com\/wp-content\/uploads\/2026\/07\/Vitamina-D-2907266-1920x1251.jpg 1920w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Capire cos\u2019\u00e8 la\u00a0vitamina D\u00a0aiuta a dare un senso a molte sensazioni che si provano durante la stagione di allenamento. Non si tratta soltanto della\u00a0vitamina del sole\u00a0legata alle giornate estive: contribuisce al mantenimento di ossa normali, alla normale funzione muscolare, alla funzionalit\u00e0 del sistema immunitario e al mantenimento di livelli normali di calcio nel sangue. Per [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":3943,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10,16,14],"tags":[363,230,92,64],"_links":{"self":[{"href":"https:\/\/www.stay-trained.com\/it\/wp-json\/wp\/v2\/posts\/3941"}],"collection":[{"href":"https:\/\/www.stay-trained.com\/it\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.stay-trained.com\/it\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.stay-trained.com\/it\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/www.stay-trained.com\/it\/wp-json\/wp\/v2\/comments?post=3941"}],"version-history":[{"count":2,"href":"https:\/\/www.stay-trained.com\/it\/wp-json\/wp\/v2\/posts\/3941\/revisions"}],"predecessor-version":[{"id":3967,"href":"https:\/\/www.stay-trained.com\/it\/wp-json\/wp\/v2\/posts\/3941\/revisions\/3967"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.stay-trained.com\/it\/wp-json\/wp\/v2\/media\/3943"}],"wp:attachment":[{"href":"https:\/\/www.stay-trained.com\/it\/wp-json\/wp\/v2\/media?parent=3941"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.stay-trained.com\/it\/wp-json\/wp\/v2\/categories?post=3941"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.stay-trained.com\/it\/wp-json\/wp\/v2\/tags?post=3941"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}