{"id":15019,"date":"2026-04-03T05:01:14","date_gmt":"2026-04-03T08:01:14","guid":{"rendered":"https:\/\/impactocastex.com.ar\/?p=15019"},"modified":"2026-04-03T05:01:14","modified_gmt":"2026-04-03T08:01:14","slug":"la-vitamina-d-una-nueva-hormona-y-una-moda","status":"publish","type":"post","link":"https:\/\/impactocastex.com.ar\/?p=15019","title":{"rendered":"La vitamina D, una nueva hormona y \u00bfuna moda?"},"content":{"rendered":"<div><img decoding=\"async\" src=\"https:\/\/www.clarin.com\/img\/2024\/02\/28\/JF-dnKMP9_2000x1500__1.jpg\" class=\"ff-og-image-inserted\" \/><\/div>\n<div class=\"sc-45461e9c-0 eqiBeF container-text text-embed \">\n<p>En Argentina, se estima que 4 de cada 10 personas presentan <strong>niveles de vitamina D por debajo de lo recomendable<\/strong>. Muchos ni siquiera lo saben.<\/p>\n<\/div>\n<div class=\"sc-45461e9c-0 eqiBeF container-text text-embed \">\n<p>Es extra\u00f1o que alguien no sepa algo de esta vitamina conocida hist\u00f3ricamente por su rol en la salud \u00f3sea, pero que adem\u00e1s cumple muchas otras funciones,<strong> desde inmunol\u00f3gicas hasta hormonales y en el metabolismo<\/strong>.<\/p>\n<\/div>\n<div class=\"sc-45461e9c-0 eqiBeF container-text text-embed \">\n<p>Las vitaminas, en general, son esenciales para la salud y el funcionamiento celular, lo que las vuelve <strong>un micronutriente esencial<\/strong>. En el caso de la D en particular, hablamos de una vitamina liposoluble que se produce mayoritariamente en la piel humana. Existe en dos formas principales: la vitamina D2 y la D3, que es la forma activa y se forma en la piel cuando se expone a la luz ultravioleta (UV).<\/p>\n<\/div>\n<div class=\"sc-e1444937-0 iklXgl border-video video-embed vertical border-video video-embed vertical\">\n<div class=\"sc-e1444937-1 cndXWK videoText videoText\" aria-hidden=\"true\">\n<h2>Video<\/h2>\n<p>Vitamina D, una nueva hormona y \u00bfuna moda?<\/p>\n<\/div>\n<\/div>\n<h2>\u00bfPara qu\u00e9 sirve la vitamina D?<\/h2>\n<div class=\"sc-45461e9c-0 eqiBeF container-text text-embed \">\n<p>Tiene una <strong>doble funci\u00f3n como nutriente y como hormona<\/strong>. Ejerce un papel cr\u00edtico en la regulaci\u00f3n del metabolismo del calcio y el f\u00f3sforo mediante efectos sobre el intestino, el hueso y los ri\u00f1ones.<\/p>\n<\/div>\n<div class=\"sc-45461e9c-0 eqiBeF container-text text-embed \">\n<p>\u00bfY por qu\u00e9 hablamos de hormona? Porque <strong>su forma activa act\u00faa regulando \u00f3rganos<\/strong> a trav\u00e9s de receptores espec\u00edficos en el ADN de los cromosomas, similar a lo que ocurre con otras hormonas.<\/p>\n<\/div>\n<h2>D\u00e9ficit de vitamina D: \u00bfqu\u00e9 pasa si falta?<\/h2>\n<div class=\"sc-45461e9c-0 eqiBeF container-text text-embed \">\n<p>La vitamina D es esencial para promover la absorci\u00f3n de calcio, mantener los niveles de fosfato para una mineralizaci\u00f3n \u00f3sea saludable, es decir: <strong>es esencial para la calidad de nuestros huesos<\/strong>. Pero como contaba al principio, en Argentina, casi la mitad no alcanza los valores adecuados.<\/p>\n<\/div>\n<div class=\"sc-45461e9c-0 eqiBeF container-text text-embed \">\n<p>En ni\u00f1os, la deficiencia de vitamina D puede causar raquitismo y deformidades esquel\u00e9ticas. <strong>En adultos mayores, osteoporosis<\/strong>.<\/p>\n<\/div>\n<div class=\"sc-45461e9c-0 eqiBeF container-text text-embed \">\n<p>La evidencia es cada vez amplia acerca del rol que ejerce en muchas enfermedades cr\u00f3nicas no transmisibles, como el c\u00e1ncer, la diabetes, y las enfermedades cardiovasculares, entre otras adem\u00e1s de algunas infecciosas como el COVID. Desempe\u00f1a en cada una de ellas <strong>un papel directo y a veces indirecto<\/strong> en la progresi\u00f3n (cuando es deficiente) y la prevenci\u00f3n (cuando es suficiente).<\/p>\n<\/div>\n<h2>\u00bfPor qu\u00e9 hoy es tan amplio el d\u00e9ficit?<\/h2>\n<div class=\"sc-45461e9c-0 eqiBeF container-text text-embed \">\n<p>Dijimos que la principal fuente de vitamina D es la luz solar. Al recibir radiaci\u00f3n UVB, el 80% de la vitamina D sintetizada por nuestro cuerpo se obtiene por este mecanismo. Sin embargo, el estilo de vida con poca exposici\u00f3n al aire libre es <strong>una barrera para la \u00abproducci\u00f3n\u00bb natural<\/strong>.<\/p>\n<\/div>\n<div class=\"sc-45461e9c-0 eqiBeF container-text text-embed \">\n<p>Otros obst\u00e1culos son que, cuando estamos efectivamente al aire libre usamos ropa que cubre gran parte del cuerpo, el uso de pantallas solares (necesario y recomendable, por cierto) y vivir en climas generalmente nublados.<\/p>\n<\/div>\n<div class=\"sc-45461e9c-0 eqiBeF container-text text-embed \">\n<p>La lista no termina ah\u00ed. Despu\u00e9s viene<strong> el envejecimiento (la capacidad de s\u00edntesis declina con la edad)<\/strong>, ciertas enfermedades cr\u00f3nicas de h\u00edgado, ri\u00f1\u00f3n y gastrointestinales, que tambi\u00e9n atentan contra la capacidad de alcanzar niveles adecuados. Y entre los medicamentos, el consumo de antiepil\u00e9pticos y corticoides aumentan el riesgo de padecer d\u00e9ficit de esta sustancia tan relevante.<\/p>\n<\/div>\n<h2>C\u00f3mo prevenir<\/h2>\n<div class=\"sc-45461e9c-0 eqiBeF container-text text-embed \">\n<p><strong>El sol es un aliado<\/strong>, pero debe \u00abusarse\u00bb con recaudos para protegernos de los efectos da\u00f1inos de la radiaci\u00f3n UV. Se recomienda exponerse entre 5 y 15 minutos, dos o tres veces por semana, para asegurar la s\u00edntesis adecuada de vitamina D sin comprometer la salud de la piel.<\/p>\n<\/div>\n<div class=\"sc-45461e9c-0 eqiBeF container-text text-embed \">\n<p>Aunque es mucho m\u00e1s complejo, la vitamina D tambi\u00e9n <strong>puede obtenerse de los alimentos<\/strong>. El salm\u00f3n, la caballa, la yema de huevo, los l\u00e1cteos est\u00e1n actualmente fortificados. Mientras que los hongos shiitake y portobello y el aceite de h\u00edgado de bacalao son algunas <strong>fuentes naturales, pero limitadas<\/strong>, de esta vitamina.<\/p>\n<\/div>\n<div class=\"sc-45461e9c-0 eqiBeF container-text text-embed \">\n<p>\u00bfCu\u00e1nto debemos consumir por d\u00eda?  La ingesta diaria recomendada para personas de hasta 70 a\u00f1os es de 600 UI y 800 UI por d\u00eda en mayores de 70 a\u00f1os.<\/p>\n<\/div>\n<div class=\"sc-45461e9c-0 eqiBeF container-text text-embed \">\n<p>Se encuentran disponibles, adem\u00e1s, <strong>varias formas de suplementos de vitamina D<\/strong>, que incluyen desde gomitas, gotas hasta tabletas y c\u00e1psulas.<\/p>\n<\/div>\n<h2>Qui\u00e9nes deben usar suplementos<\/h2>\n<div class=\"sc-45461e9c-0 eqiBeF container-text text-embed \">\n<p>Dicho todo lo anterior, vale una aclaraci\u00f3n importante: <strong>consumir suplementos de lo que sea est\u00e1 de moda<\/strong>. Pero la indicaci\u00f3n de suplementaci\u00f3n debe ser realizada por un m\u00e9dico. En algunos grupos de alto riesgo de presentar d\u00e9ficit de esta vitamina como los adultos mayores, las embarazadas, las personas con obesidad y diabetes, <a href=\"https:\/\/www.clarin.com\/buena-vida\/vitamina-d-hormona-vida-dice-experta-medirla-suplementar_0_y1KJtjHPZg.html\" target=\"_blank\" title=\"se justifica chequear los niveles\">se justifica chequear los niveles<\/a> de este nutriente y, si corresponde, suplementar.<\/p>\n<\/div>\n<div class=\"sc-45461e9c-0 eqiBeF container-text text-embed \">\n<p>Por el estilo de vida actual, la pandemia de deficiencia de vitamina D se encuentra en alza. Por eso es fundamental <strong>pasar m\u00e1s tiempo al aire libre <\/strong>(con los debidos recaudos), cuidar la calidad de la comida cada d\u00eda para incorporar alimentos que aporten vitamina D y, como siempre, si ten\u00e9s dudas, tu m\u00e9dico o nutricionista de confianza puede evaluar tus niveles de esta vitamina e indicarte un suplemento si es necesario.<\/p>\n<\/div>\n<h2>\u00bfTe perdiste alguna cita al consultorio?<\/h2>\n<div class=\"sc-45461e9c-0 eqiBeF container-text text-embed \">\n<p>Encontr\u00e1 las \u00faltimas ac\u00e1:<\/p>\n<\/div>\n<div class=\"sc-45461e9c-0 eqiBeF container-text text-embed \">\n<p>\u27aa<a href=\"https:\/\/www.clarin.com\/buena-vida\/proteinas-obsesion-moderna-comer-mejorar-sintesis-riesgos-exceso_0_g2pzY47KyX.html\" target=\"_blank\" title=\"Prote\u00ednas, una obsesi\u00f3n moderna: cu\u00e1nto comer, c\u00f3mo mejorar la s\u00edntesis y los riesgos del exceso\">Prote\u00ednas, una obsesi\u00f3n moderna: cu\u00e1nto comer, c\u00f3mo mejorar la s\u00edntesis y los riesgos del exceso<\/a><\/p>\n<\/div>\n<div class=\"sc-45461e9c-0 eqiBeF container-text text-embed \">\n<p>\u27aa<a href=\"https:\/\/www.clarin.com\/buena-vida\/todas-grasas-iguales-buenas-malas-peores_0_xnnYH2gJBg.html\" target=\"_blank\" title=\"No todas las grasas son iguales: las buenas, las malas y las peores\">No todas las grasas son iguales: las buenas, las malas y las peores<\/a><\/p>\n<\/div>\n<div class=\"sc-45461e9c-0 eqiBeF container-text text-embed \">\n<p>\u27aa<a href=\"https:\/\/www.clarin.com\/buena-vida\/infelicidad-corporal-hereda-evitarlo_0_Vn1W9faFpy.html\" target=\"_blank\" title=\"La infelicidad corporal se hereda: c\u00f3mo evitarlo\">La infelicidad corporal se hereda: c\u00f3mo evitarlo<\/a><\/p>\n<\/div>\n<div class=\"sc-45461e9c-0 eqiBeF container-text text-embed \">\n<p>\u27aa<a href=\"https:\/\/www.clarin.com\/buena-vida\/flacos-tonificados-nueva-delgadez-vieja-obsesion_0_zPVD2Psw0R.html\" target=\"_blank\" title=\"Flacos y tonificados: la nueva delgadez y una vieja obsesi\u00f3n\">Flacos y tonificados: la nueva delgadez y una vieja obsesi\u00f3n<\/a><\/p>\n<\/div>\n<div class=\"sc-45461e9c-0 eqiBeF container-text text-embed \">\n<p>\u27aa\u00bfTen\u00e9s alguna duda sobre salud y bienestar que te gustar\u00eda que abordemos en notas de la secci\u00f3n? Escribinos tu consulta a buenavida@clarin.com<\/p>\n<\/div>\n<p><strong><a href=\"https:\/\/blockads.fivefilters.org\/\">Adblock test<\/a><\/strong> <a href=\"https:\/\/blockads.fivefilters.org\/acceptable.html\">(Why?)<\/a><\/p>\n<p>\u200b\u00a0\u00a0<\/p>","protected":false},"excerpt":{"rendered":"<p>En Argentina, se estima que 4 de cada 10 personas presentan niveles de vitamina D&#8230;<\/p>\n","protected":false},"author":1,"featured_media":15020,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[120],"tags":[],"class_list":["post-15019","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-salud"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>La vitamina D, una nueva hormona y \u00bfuna moda? -<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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