{"id":519,"date":"2026-06-26T10:35:00","date_gmt":"2026-06-26T09:35:00","guid":{"rendered":"https:\/\/dev-prestashop-2b2cd056cbc0.prestashop.sh\/blog\/?p=519"},"modified":"2026-06-30T10:08:05","modified_gmt":"2026-06-30T09:08:05","slug":"quand-prendre-vitamine-d","status":"publish","type":"post","link":"https:\/\/www.nutrixeal.fr\/expertise\/quand-prendre-vitamine-d\/","title":{"rendered":"Quand prendre la vitamine D pour une efficacit\u00e9 optimale&nbsp;?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">La vitamine D occupe une place centrale dans le maintien de notre \u00e9quilibre physiologique. Au laboratoire Nutrixeal, nous savons combien le moment et la mani\u00e8re de prendre votre suppl\u00e9mentation influencent son assimilation. Cet article vous guide pas \u00e0 pas pour optimiser chaque prise et tirer le meilleur parti de votre cure, que vous d\u00e9butiez ou souhaitiez ajuster vos habitudes.<\/p>\n\n\n\r\n<section class=\"article-callout article-callout--summary panel summary-box\">\r\n\r\n    <div class=\"article-callout__header\">\r\n      <span class=\"article-callout__icon\" aria-hidden=\"true\">\r\n                  <svg width=\"24\" height=\"24\" viewBox=\"0 0 24 24\" fill=\"none\">\r\n            <path d=\"M3.5 10C3.5 6.22876 3.5 4.34315 4.7448 3.17157C5.98959 2 7.99306 2 12 2H12.7727C16.0339 2 17.6645 2 18.7969 2.79784C19.1214 3.02643 19.4094 3.29752 19.6523 3.60289C20.5 4.66867 20.5 6.20336 20.5 9.27273V11.8182C20.5 14.7814 20.5 16.2629 20.0311 17.4462C19.2772 19.3486 17.6829 20.8491 15.6616 21.5586C14.4044 22 12.8302 22 9.68182 22C7.88275 22 6.98322 22 6.26478 21.7478C5.10979 21.3424 4.19875 20.4849 3.76796 19.3979C3.5 18.7217 3.5 17.8751 3.5 16.1818V10Z\" stroke=\"#4FA729\" stroke-width=\"1.5\" stroke-linejoin=\"round\"\/>\r\n            <path d=\"M20.5 12C20.5 13.8409 19.0076 15.3333 17.1667 15.3333C16.5009 15.3333 15.716 15.2167 15.0686 15.3901C14.4935 15.5442 14.0442 15.9935 13.8901 16.5686C13.7167 17.216 13.8333 18.0009 13.8333 18.6667C13.8333 20.5076 12.3409 22 10.5 22\" stroke=\"#4FA729\" stroke-width=\"1.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/>\r\n            <path d=\"M8 7H15\" stroke=\"#4FA729\" stroke-width=\"1.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/>\r\n            <path d=\"M8 11H11\" stroke=\"#4FA729\" stroke-width=\"1.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/>\r\n          <\/svg>\r\n                <\/span>\r\n\r\n      <p class=\"article-callout__title\">\r\n        En r\u00e9sum\u00e9      <\/p>\r\n    <\/div>\r\n\r\n    <div class=\"article-callout__content\">\r\n      \n<ul class=\"wp-block-list\">\n<li><strong>Moment flexible<\/strong>&nbsp;: Matin ou soir, le choix compte moins que l\u2019habitude&nbsp;; l\u2019essentiel est de prendre la vitamine D r\u00e9guli\u00e8rement.<\/li>\n\n\n\n<li><strong>Repas conseill\u00e9<\/strong>&nbsp;: La vitamine D s\u2019absorbe mieux avec un repas contenant des graisses, comme des \u0153ufs, de l\u2019avocat ou de l\u2019huile d\u2019olive.<\/li>\n\n\n\n<li><strong>Saisons \u00e0 consid\u00e9rer<\/strong>&nbsp;: En hiver, les UVB diminuent fortement&nbsp;; une suppl\u00e9mentation peut alors aider \u00e0 compenser la baisse de production naturelle.<\/li>\n\n\n\n<li><strong>Forme \u00e0 privil\u00e9gier<\/strong>&nbsp;: La vitamine D3 est g\u00e9n\u00e9ralement mieux utilis\u00e9e par l\u2019organisme que la D2, avec un effet plus durable sur le taux sanguin.<\/li>\n\n\n\n<li><strong>Dosage personnalis\u00e9&nbsp;: <\/strong>Les besoins varient selon l\u2019\u00e2ge, l\u2019exposition solaire, la grossesse, l\u2019allaitement ou certaines situations m\u00e9dicales.<\/li>\n<\/ul>\n    <\/div>\r\n\r\n<\/section>\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-869f7733\"><h2 class=\"uagb-heading-text\">Quel est le r\u00f4le de la vitamine D pour votre sant\u00e9&nbsp;?<\/h2><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">La vitamine D agit comme une v\u00e9ritable hormone dans l&rsquo;organisme. Elle contribue au bon fonctionnement de plusieurs syst\u00e8mes biologiques essentiels.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cette mol\u00e9cule liposoluble participe \u00e0 l&rsquo;absorption du calcium et du phosphore au niveau intestinal. Elle soutient ainsi le maintien d&rsquo;une ossature normale et d&rsquo;une dentition saine.<sup>[1]<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La vitamine D contribue \u00e9galement au fonctionnement normal du syst\u00e8me immunitaire et au maintien d&rsquo;une fonction musculaire normale.<sup>[2]<\/sup> Son action sur la calc\u00e9mie en fait un nutriment incontournable pour les adultes comme pour les enfants en pleine croissance.<\/p>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-799fd3d9\"><h2 class=\"uagb-heading-text\">Quand prendre la vitamine D&nbsp;: le moment id\u00e9al pour une absorption maximale<\/h2><\/div>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-76edcc12\"><h3 class=\"uagb-heading-text\">Prendre la vitamine D le matin ou le soir&nbsp;: ce que disent les \u00e9tudes<\/h3><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Aucune \u00e9tude scientifique ne tranche d\u00e9finitivement entre une prise matinale ou vesp\u00e9rale.<sup>[3]<\/sup> Le moment de la journ\u00e9e influence moins l&rsquo;absorption que le contexte alimentaire qui l&rsquo;accompagne.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Certains chercheurs sugg\u00e8rent toutefois que le matin reste pr\u00e9f\u00e9rable pour une majorit\u00e9 de personnes. Cette pr\u00e9f\u00e9rence repose sur deux observations&nbsp;: une meilleure coh\u00e9rence avec le rythme circadien et une r\u00e9duction du risque de troubles du sommeil chez les sujets sensibles.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Au laboratoire Nutrixeal, nous recommandons de choisir le moment de la journ\u00e9e qui s&rsquo;int\u00e8gre le mieux \u00e0 votre routine. Une prise au petit-d\u00e9jeuner ou au d\u00e9jeuner reste l&rsquo;option la plus pratique pour la majorit\u00e9 des adultes.<\/p>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-83d9fe5e\"><h3 class=\"uagb-heading-text\">L&rsquo;importance de la prise avec un repas contenant des graisses<\/h3><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">La vitamine D est une vitamine liposoluble. Elle n\u00e9cessite la pr\u00e9sence de lipides pour franchir la barri\u00e8re intestinale et rejoindre la circulation sanguine.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Une \u00e9tude clinique de Dawson-Hughes et ses collaborateurs a d\u00e9montr\u00e9 que l&rsquo;absorption augmente d&rsquo;environ 32 % lorsque la prise s&rsquo;effectue au cours d&rsquo;un repas contenant des graisses.<sup>[4]<\/sup> Ce r\u00e9sultat confirme l&rsquo;int\u00e9r\u00eat d&rsquo;associer le compl\u00e9ment \u00e0 une alimentation adapt\u00e9e.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Privil\u00e9giez donc un repas qui contient des graisses de qualit\u00e9&nbsp;: huile d&rsquo;olive, avocat, \u0153ufs, poissons gras ou ol\u00e9agineux. Nous d\u00e9conseillons la prise \u00e0 jeun, qui r\u00e9duit nettement l&rsquo;efficacit\u00e9 de votre suppl\u00e9mentation.<\/p>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-995aad9c\"><h3 class=\"uagb-heading-text\">Adapter la prise de vitamine D aux saisons (hiver vs \u00e9t\u00e9)<\/h3><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">L&rsquo;exposition au soleil reste la voie principale de production de vitamine D par votre peau. D&rsquo;avril \u00e0 octobre, sous nos latitudes, une exposition raisonnable des bras et du visage couvre g\u00e9n\u00e9ralement les besoins d&rsquo;un adulte en bonne sant\u00e9.<sup>[5]<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En hiver, le rayonnement UVB devient insuffisant pour permettre une synth\u00e8se cutan\u00e9e correcte. Cette p\u00e9riode d&rsquo;octobre \u00e0 mars justifie pleinement le recours aux compl\u00e9ments alimentaires.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Au laboratoire Nutrixeal, nous orientons souvent les adultes vers une cure renforc\u00e9e pendant la saison froide. En \u00e9t\u00e9, la dose peut \u00eatre r\u00e9duite ou suspendue selon votre exposition r\u00e9elle au soleil et votre taux sanguin.<\/p>\n\n\n\r\n<section class=\"article-callout article-callout--takeaway panel summary-box\">\r\n\r\n    <div class=\"article-callout__header\">\r\n      <span class=\"article-callout__icon\" aria-hidden=\"true\">\r\n                  <svg width=\"24\" height=\"24\" viewBox=\"0 0 24 24\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\r\n            <path d=\"M5.14286 14C4.41735 12.8082 4 11.4118 4 9.91886C4 5.54539 7.58172 2 12 2C16.4183 2 20 5.54539 20 9.91886C20 11.4118 19.5827 12.8082 18.8571 14\" stroke=\"#98800B\" stroke-width=\"1.5\" stroke-linecap=\"round\"\/>\r\n            <path d=\"M7.38287 17.0982C7.291 16.8216 7.24507 16.6833 7.25042 16.5713C7.26174 16.3343 7.41114 16.1262 7.63157 16.0405C7.73579 16 7.88105 16 8.17157 16H15.8284C16.119 16 16.2642 16 16.3684 16.0405C16.5889 16.1262 16.7383 16.3343 16.7496 16.5713C16.7549 16.6833 16.709 16.8216 16.6171 17.0982C16.4473 17.6094 16.3624 17.8651 16.2315 18.072C15.9572 18.5056 15.5272 18.8167 15.0306 18.9408C14.7935 19 14.525 19 13.9881 19H10.0119C9.47495 19 9.2065 19 8.96944 18.9408C8.47283 18.8167 8.04281 18.5056 7.7685 18.072C7.63755 17.8651 7.55266 17.6094 7.38287 17.0982Z\" stroke=\"#98800B\" stroke-width=\"1.5\"\/>\r\n            <path d=\"M15 19L14.8707 19.6466C14.7293 20.3537 14.6586 20.7072 14.5001 20.9866C14.2552 21.4185 13.8582 21.7439 13.3866 21.8994C13.0816 22 12.7211 22 12 22C11.2789 22 10.9184 22 10.6134 21.8994C10.1418 21.7439 9.74484 21.4185 9.49987 20.9866C9.34144 20.7072 9.27073 20.3537 9.12932 19.6466L9 19\" stroke=\"#98800B\" stroke-width=\"1.5\"\/>\r\n            <path d=\"M12 16V11\" stroke=\"#98800B\" stroke-width=\"1.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/>\r\n          <\/svg>\r\n                <\/span>\r\n\r\n      <p class=\"article-callout__title\">\r\n        Bon \u00e0 savoir      <\/p>\r\n    <\/div>\r\n\r\n    <div class=\"article-callout__content\">\r\n      \n<p class=\"wp-block-paragraph\">Les personnes \u00e0 peau mate ou fonc\u00e9e synth\u00e9tisent moins efficacement la vitamine D sous l&rsquo;effet des UVB. Une suppl\u00e9mentation peut s&rsquo;av\u00e9rer utile toute l&rsquo;ann\u00e9e, m\u00eame en \u00e9t\u00e9. Les personnes vivant au-dessus du 45e parall\u00e8le, peu expos\u00e9es au soleil ou portant des v\u00eatements couvrants m\u00e9ritent \u00e9galement une attention particuli\u00e8re sur leurs apports.<\/p>\n    <\/div>\r\n\r\n<\/section>\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-d24cdc71\"><h3 class=\"uagb-heading-text\">La r\u00e9gularit\u00e9&nbsp;: la cl\u00e9 d&rsquo;une suppl\u00e9mentation r\u00e9ussie<\/h3><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">La constance prime sur la perfection horaire. Une prise quotidienne, toujours au m\u00eame moment, donne de meilleurs r\u00e9sultats qu&rsquo;une prise al\u00e9atoire.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cette r\u00e9gularit\u00e9 permet \u00e0 votre organisme de maintenir un taux sanguin stable. Les fluctuations brutales nuisent \u00e0 l&rsquo;efficacit\u00e9 globale de la cure et peuvent compliquer le suivi.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Associez votre prise \u00e0 un geste quotidien que vous ne sautez jamais&nbsp;: le caf\u00e9 du matin, le brossage des dents ou un repas familial. Cette association mentale r\u00e9duit consid\u00e9rablement les oublis et installe durablement la bonne habitude.<\/p>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-33e1d8c0\"><h2 class=\"uagb-heading-text\">Comment prendre la vitamine D&nbsp;: formes et dosages recommand\u00e9s<\/h2><\/div>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-f1f53b69\"><h3 class=\"uagb-heading-text\">Quelle forme de vitamine D choisir (D2, D3, micronis\u00e9e&#8230;)&nbsp;?<\/h3><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Deux formes principales existent sur le march\u00e9&nbsp;: la vitamine D2 (ergocalcif\u00e9rol) d&rsquo;origine v\u00e9g\u00e9tale, et la <a href=\"https:\/\/www.nutrixeal.fr\/67-vitamine-d3-vegetarienne\">vitamine D3<\/a> (chol\u00e9calcif\u00e9rol) d&rsquo;origine animale ou issue du lichen pour les profils v\u00e9g\u00e9tariens.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les recherches scientifiques montrent que la vitamine D3 augmente le taux sanguin de mani\u00e8re plus efficace et durable que la D2. L&rsquo;\u00e9tude de Tripkovic et ses collaborateurs a confirm\u00e9 cette sup\u00e9riorit\u00e9 \u00e0 dose \u00e9quivalente.[6]<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les formes microencapsul\u00e9es offrent une meilleure biodisponibilit\u00e9 . Au laboratoire Nutrixeal, nous proposons uniquement le chol\u00e9calcif\u00e9rol microencapsul\u00e9 pour assurer une efficacit\u00e9 optimale.<\/p>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-e9cc0092\"><h3 class=\"uagb-heading-text\">Quel dosage de vitamine D selon votre \u00e2ge et vos besoins&nbsp;?<\/h3><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">L&rsquo;ANSES fixe&nbsp;<strong>l\u2019apport satisfaisant<\/strong> \u00e0 15 microgrammes par jour pour un adulte, soit 600 UI.[5] Ce rep\u00e8re couvre les besoins de la majorit\u00e9 de la population fran\u00e7aise en bonne sant\u00e9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Voici un tableau r\u00e9capitulatif des apports usuellement recommand\u00e9s selon le profil&nbsp;:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Profil<\/th><th>Apport quotidien indicatif<\/th><th>\u00c9quivalent<\/th><\/tr><\/thead><tbody><tr><td>Nourrissons (0 \u00e0 1 an)<\/td><td>10 \u00b5g<\/td><td>400 UI<\/td><\/tr><tr><td>Enfants (1 \u00e0 18 ans)<\/td><td>15 \u00b5g<\/td><td>600 UI<\/td><\/tr><tr><td>Adultes<\/td><td>15 \u00e0 20 \u00b5g<\/td><td>600 \u00e0 800 UI<\/td><\/tr><tr><td>Personnes \u00e2g\u00e9es (plus de 70 ans)<\/td><td>20 \u00b5g<\/td><td>800 UI<\/td><\/tr><tr><td>Femmes enceintes ou allaitantes<\/td><td>15 \u00b5g<\/td><td>600 UI<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Au-del\u00e0 de ces rep\u00e8res, la limite sup\u00e9rieure de s\u00e9curit\u00e9 en France est fix\u00e9e \u00e0 89 \u00b5g\/jour (3 560 UI) pour un adulte.<sup>[7]<\/sup> Tout d\u00e9passement r\u00e9gulier doit \u00eatre encadr\u00e9 par un professionnel de sant\u00e9.<\/p>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-a44001c5\"><h3 class=\"uagb-heading-text\">Les cas particuliers&nbsp;: enfants, femmes enceintes, s\u00e9niors, sportifs<\/h3><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Les nourrissons re\u00e7oivent g\u00e9n\u00e9ralement la vitamine D sous forme de gouttes prescrites, \u00e0 raison de 400 \u00e0 1 000 UI par jour selon les recommandations p\u00e9diatriques. Cette suppl\u00e9mentation accompagne la croissance osseuse durant les premiers mois.<sup>[8]<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les femmes enceintes ont des besoins major\u00e9s en raison du transfert vers le f\u0153tus. Les personnes \u00e2g\u00e9es pr\u00e9sentent une synth\u00e8se cutan\u00e9e r\u00e9duite et une absorption intestinale moins performante, ce qui justifie souvent un apport plus \u00e9lev\u00e9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les sportifs soumis \u00e0 des entra\u00eenements intenses voient leurs besoins augmenter. Un dosage personnalis\u00e9 reste la meilleure approche pour chaque cas particulier, id\u00e9alement valid\u00e9 par un professionnel.<\/p>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-4dfbb82b\"><h2 class=\"uagb-heading-text\">Optimiser l&rsquo;efficacit\u00e9 de votre suppl\u00e9mentation en vitamine D<\/h2><\/div>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-05f13b76\"><h3 class=\"uagb-heading-text\">Synergie avec d&rsquo;autres nutriments (vitamine K2, magn\u00e9sium)<\/h3><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">La vitamine D ne travaille jamais seule. Son efficacit\u00e9 d\u00e9pend largement d&rsquo;autres micronutriments pr\u00e9sents dans votre organisme.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La vitamine K2 oriente le calcium absorb\u00e9 vers les os plut\u00f4t que vers les tissus mous. Le <a href=\"https:\/\/www.nutrixeal.fr\/66-magnesium\">magn\u00e9sium<\/a> intervient comme cofacteur enzymatique pour activer la vitamine D dans le foie et les reins.<sup>[9]<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cette synergie nutritionnelle explique pourquoi nos formules associent fr\u00e9quemment ces trois \u00e9l\u00e9ments. Le calcium alimentaire compl\u00e8te ce trio pour soutenir la sant\u00e9 osseuse de mani\u00e8re coh\u00e9rente. Une alimentation vari\u00e9e riche en l\u00e9gumes verts, ol\u00e9agineux et produits laitiers constitue un socle indispensable.<\/p>\n\n\n\r\n<section class=\"article-callout article-callout--takeaway panel summary-box\">\r\n\r\n    <div class=\"article-callout__header\">\r\n      <span class=\"article-callout__icon\" aria-hidden=\"true\">\r\n                  <svg width=\"24\" height=\"24\" viewBox=\"0 0 24 24\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\r\n            <path d=\"M5.14286 14C4.41735 12.8082 4 11.4118 4 9.91886C4 5.54539 7.58172 2 12 2C16.4183 2 20 5.54539 20 9.91886C20 11.4118 19.5827 12.8082 18.8571 14\" stroke=\"#98800B\" stroke-width=\"1.5\" stroke-linecap=\"round\"\/>\r\n            <path d=\"M7.38287 17.0982C7.291 16.8216 7.24507 16.6833 7.25042 16.5713C7.26174 16.3343 7.41114 16.1262 7.63157 16.0405C7.73579 16 7.88105 16 8.17157 16H15.8284C16.119 16 16.2642 16 16.3684 16.0405C16.5889 16.1262 16.7383 16.3343 16.7496 16.5713C16.7549 16.6833 16.709 16.8216 16.6171 17.0982C16.4473 17.6094 16.3624 17.8651 16.2315 18.072C15.9572 18.5056 15.5272 18.8167 15.0306 18.9408C14.7935 19 14.525 19 13.9881 19H10.0119C9.47495 19 9.2065 19 8.96944 18.9408C8.47283 18.8167 8.04281 18.5056 7.7685 18.072C7.63755 17.8651 7.55266 17.6094 7.38287 17.0982Z\" stroke=\"#98800B\" stroke-width=\"1.5\"\/>\r\n            <path d=\"M15 19L14.8707 19.6466C14.7293 20.3537 14.6586 20.7072 14.5001 20.9866C14.2552 21.4185 13.8582 21.7439 13.3866 21.8994C13.0816 22 12.7211 22 12 22C11.2789 22 10.9184 22 10.6134 21.8994C10.1418 21.7439 9.74484 21.4185 9.49987 20.9866C9.34144 20.7072 9.27073 20.3537 9.12932 19.6466L9 19\" stroke=\"#98800B\" stroke-width=\"1.5\"\/>\r\n            <path d=\"M12 16V11\" stroke=\"#98800B\" stroke-width=\"1.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/>\r\n          <\/svg>\r\n                <\/span>\r\n\r\n      <p class=\"article-callout__title\">\r\n        Bon \u00e0 savoir      <\/p>\r\n    <\/div>\r\n\r\n    <div class=\"article-callout__content\">\r\n      \n<p class=\"wp-block-paragraph\">Certains m\u00e9dicaments comme les cortico\u00efdes ou les anticonvulsivants peuvent perturber le m\u00e9tabolisme de la vitamine D ou du calcium et augmenter le risque de d\u00e9ficit. En cas de traitement prolong\u00e9, un avis m\u00e9dical est utile pour adapter la dose et, si n\u00e9cessaire, contr\u00f4ler le taux sanguin de 25-hydroxyvitamine D.<\/p>\n    <\/div>\r\n\r\n<\/section>\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-254e0a73\"><h3 class=\"uagb-heading-text\">Surveiller votre taux de vitamine D&nbsp;: quand faire un dosage sanguin&nbsp;?<\/h3><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">La prise de sang mesure la concentration de 25-hydroxyvitamine D, forme circulante de r\u00e9f\u00e9rence. Cet examen ne n\u00e9cessite pas d&rsquo;\u00eatre \u00e0 jeun et reste accessible sur prescription m\u00e9dicale.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les valeurs interpr\u00e9tatives s&rsquo;\u00e9tablissent g\u00e9n\u00e9ralement ainsi&nbsp;:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Carence&nbsp;: inf\u00e9rieure \u00e0 10 ng\/mL<\/li>\n\n\n\n<li>Insuffisance&nbsp;: entre 10 et 30 ng\/mL<\/li>\n\n\n\n<li>Valeurs recommand\u00e9es&nbsp;: entre 30 et 70 ng\/mL<\/li>\n\n\n\n<li>Risque de surdosage&nbsp;: au-del\u00e0 de 100 ng\/mL<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Un contr\u00f4le annuel suffit pour la plupart des adultes. Les profils \u00e0 risque m\u00e9ritent un suivi plus rapproch\u00e9, notamment au sortir de l&rsquo;hiver pour \u00e9valuer le statut apr\u00e8s la p\u00e9riode de moindre ensoleillement.<sup>[10]<\/sup><\/p>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-eaf7e84a\"><h2 class=\"uagb-heading-text\">Quels sont les sympt\u00f4mes d&rsquo;une carence en vitamine D&nbsp;?<\/h2><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Une carence en vitamine D s&rsquo;installe souvent de mani\u00e8re insidieuse. Les premiers signes restent peu sp\u00e9cifiques et passent fr\u00e9quemment inaper\u00e7us.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les manifestations les plus courantes incluent une fatigue persistante, des douleurs musculaires diffuses, une faiblesse g\u00e9n\u00e9rale et une sensibilit\u00e9 accrue aux infections saisonni\u00e8res. Sur le plan osseux, une insuffisance prolong\u00e9e peut entra\u00eener une diminution de la masse osseuse et favoriser le risque de fracture chez les adultes.<sup>[5]<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Chez les enfants en croissance, une carence s\u00e9v\u00e8re peut perturber la min\u00e9ralisation osseuse. Les troubles musculaires comme la baisse de tonus ou les crampes constituent \u00e9galement des indicateurs \u00e0 ne pas n\u00e9gliger. Un dosage sanguin reste le seul moyen fiable de confirmer le diagnostic et d&rsquo;adapter la prise en charge.<\/p>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-0d5a2cf8\"><h2 class=\"uagb-heading-text\">Quels sont les risques d&rsquo;un surdosage en vitamine D&nbsp;?<\/h2><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Un exc\u00e8s prolong\u00e9 de vitamine D entra\u00eene une \u00e9l\u00e9vation du calcium dans le sang, appel\u00e9e hypercalc\u00e9mie. Cette anomalie biologique peut avoir des r\u00e9percussions s\u00e9rieuses.<sup>[11]<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les premiers sympt\u00f4mes associent perte d&rsquo;app\u00e9tit, naus\u00e9es, vomissements et fatigue inhabituelle. \u00c0 plus long terme, l&rsquo;exc\u00e8s de calcium favorise des d\u00e9p\u00f4ts dans les reins, les vaisseaux sanguins et le c\u0153ur.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Le risque de surdosage concerne principalement les prises sup\u00e9rieures \u00e0 5 000 UI par jour sur plusieurs semaines, sans suivi m\u00e9dical. Respectez toujours les doses indiqu\u00e9es sur votre flacon et \u00e9vitez de cumuler plusieurs sources de vitamine D sans avis professionnel.<\/p>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-d477787b\"><h2 class=\"uagb-heading-text\">Questions fr\u00e9quentes sur la prise de vitamine D<\/h2><\/div>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1780995393610\"><strong class=\"schema-faq-question\">Peut-on prendre de la vitamine D tous les jours&nbsp;?<\/strong> <p class=\"schema-faq-answer\">Oui, une prise quotidienne \u00e0 dose physiologique reste la m\u00e9thode la plus efficace. Elle assure un taux sanguin stable et un meilleur confort que les ampoules trimestrielles \u00e0 forte dose.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1780995413771\"><strong class=\"schema-faq-question\">La vitamine D peut-elle perturber le sommeil&nbsp;?<\/strong> <p class=\"schema-faq-answer\">La vitamine D ne perturbe g\u00e9n\u00e9ralement pas le sommeil, et un d\u00e9ficit peut m\u00eame \u00eatre associ\u00e9 \u00e0 une moins bonne qualit\u00e9 de sommeil. Toutefois, certaines personnes rapportent une g\u00eane \u00e0 l\u2019endormissement lorsqu\u2019elles la prennent tard dans la journ\u00e9e. Si vous observez ce lien chez vous, il est raisonnable de la prendre le matin ou au d\u00e9jeuner, id\u00e9alement avec un repas contenant un peu de mati\u00e8res grasses.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1780995434028\"><strong class=\"schema-faq-question\">Le caf\u00e9 diminue-t-il l&rsquo;absorption de la vitamine D&nbsp;?<\/strong> <p class=\"schema-faq-answer\">Aucune preuve solide ne d\u00e9montre un effet significatif du caf\u00e9 sur l&rsquo;absorption de la vitamine D. Vous pouvez donc maintenir vos habitudes sans inqui\u00e9tude particuli\u00e8re.<\/p> <\/div> <\/div>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-6a1ecbce\"><h2 class=\"uagb-heading-text\">Sources<\/h2><\/div>\n\n\n\n<ol class=\"wp-block-list\">\n<li>EFSA Panel on Dietetic Products, Nutrition and Allergies. Scientific Opinion on the substantiation of health claims related to vitamin D. EFSA Journal, 2010.<\/li>\n\n\n\n<li>R\u00e8glement (UE) n\u00b0 432\/2012 de la Commission europ\u00e9enne \u00e9tablissant une liste des all\u00e9gations de sant\u00e9 autoris\u00e9es portant sur les denr\u00e9es alimentaires.<\/li>\n\n\n\n<li>Journal of Clinical Endocrinology &amp; Metabolism. \u00c9tudes comparatives sur le moment de prise de la vitamine D et son impact sur l&rsquo;absorption.<\/li>\n\n\n\n<li>Dawson-Hughes B. et al. Dietary fat increases vitamin D-3 absorption. Journal of the Academy of Nutrition and Dietetics, 2015.<\/li>\n\n\n\n<li>ANSES. Vitamine D&nbsp;: pourquoi et comment assurer un apport suffisant&nbsp;? Agence nationale de s\u00e9curit\u00e9 sanitaire de l&rsquo;alimentation, de l&rsquo;environnement et du travail, 2021.<\/li>\n\n\n\n<li>Tripkovic L. et al. Comparison of vitamin D2 and vitamin D3 supplementation in raising serum 25-hydroxyvitamin D status: a systematic review and meta-analysis. American Journal of Clinical Nutrition, 2017.<\/li>\n\n\n\n<li>Compl\u2019Alim &#8211; Vitamine D&nbsp;: https:\/\/compl-alim.beta.gouv.fr\/element\/192&#8211;substance&#8211;vitamine%20D.<\/li>\n\n\n\n<li>Vidailhet M. et al. Vitamine D&nbsp;: une vitamine toujours d&rsquo;actualit\u00e9 chez l&rsquo;enfant et l&rsquo;adolescent. Comit\u00e9 de nutrition de la Soci\u00e9t\u00e9 fran\u00e7aise de p\u00e9diatrie, Archives de P\u00e9diatrie, 2012.<\/li>\n\n\n\n<li>Uwitonze AM, Razzaque MS. Role of magnesium in vitamin D activation and function. The Journal of the American Osteopathic Association, 2018.<\/li>\n\n\n\n<li>Soci\u00e9t\u00e9 fran\u00e7aise de biologie clinique. Recommandations pour le dosage de la 25-hydroxyvitamine D, 2021.<\/li>\n\n\n\n<li>ANSES. Avis relatif \u00e0 des intoxications \u00e0 la vitamine D chez des nourrissons. Agence nationale de s\u00e9curit\u00e9 sanitaire, 2021.<\/li>\n<\/ol>\n\n\n\n\n\n\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>La vitamine D occupe une place centrale dans le maintien de notre \u00e9quilibre physiologique. Au laboratoire Nutrixeal, nous savons combien le moment et la mani\u00e8re de prendre votre suppl\u00e9mentation influencent son assimilation. Cet article vous guide pas \u00e0 pas pour optimiser chaque prise et tirer le meilleur parti de votre cure, que vous d\u00e9butiez ou [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":723,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","nutrixeal_featured":false,"nutrixeal_most_read":false,"footnotes":""},"categories":[36],"tags":[],"class_list":["post-519","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-articles-vitamine-d"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Quand prendre la vitamine D : matin, soir ou \u00e9t\u00e9 ?<\/title>\n<meta name=\"description\" content=\"Quand prendre la vitamine D ? 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scientifique Nutrixeal","author_link":"https:\/\/www.nutrixeal.fr\/expertise\/author\/equipe-scientifique\/"},"uagb_comment_info":0,"uagb_excerpt":"La vitamine D occupe une place centrale dans le maintien de notre \u00e9quilibre physiologique. 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