{"id":15399,"date":"2026-09-12T09:50:32","date_gmt":"2026-09-12T09:50:32","guid":{"rendered":"https:\/\/www.recipes-eu.com\/?p=15399"},"modified":"2026-09-12T09:50:33","modified_gmt":"2026-09-12T09:50:33","slug":"das-groste-missverstandnis-uber-vitamin-d-fast-jeder-liegt-damit-falsch","status":"publish","type":"post","link":"https:\/\/www.recipes-eu.com\/?p=15399","title":{"rendered":"Das gr\u00f6\u00dfte Missverst\u00e4ndnis \u00fcber Vitamin D. Fast jeder liegt damit falsch."},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Das wohl gr\u00f6\u00dfte Missverst\u00e4ndnis rund um Vitamin D betrifft seine biologische Natur: <strong>Vitamin D ist im biochemischen Sinn gar kein Vitamin.<sup><\/sup> Es ist die Vorstufe eines Hormons (Prohormon).<\/strong><sup><\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Daraus ergeben sich drei weit verbreitete Trugschl\u00fcsse, die im Alltag fast st\u00e4ndig falsch eingesch\u00e4tzt werden:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u201eMan kann den Bedarf problemlos \u00fcber die Nahrung decken\u201c<sup><\/sup><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Bei echten Vitamen (wie Vitamin C) klappt das hervorragend. Bei Vitamin D ist das nahezu unm\u00f6glich.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Der K\u00f6rper deckt <strong>80 bis 90 %<\/strong> des Bedarfs \u00fcber die Eigenproduktion in der Haut durch UVB-Strahlung.<\/li>\n\n\n\n<li>Nur <strong>10 bis 20 %<\/strong> stammen aus der Nahrung (haupts\u00e4chlich aus fettreichem Fisch, Eigelb oder Innereien). Um den Tagesbedarf rein \u00fcber die Ern\u00e4hrung zu decken, m\u00fcsste man beispielsweise t\u00e4glich \u00fcber 100 Eier oder etliche Kilo Fisch essen.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u201eEin Spaziergang im Sommer reicht immer aus\u201c<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Viele nehmen an, dass bereits die Anwesenheit von Tageslicht oder das Sitzen im Schatten den Spiegel f\u00fcllt.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Geometrischer Winkel:<\/strong> Die Produktion von Vitamin D ben\u00f6tigt <strong>UVB-Strahlung<\/strong>. Steht die Sonne zu tief (z. B. im mitteleurop\u00e4ischen Winter von Oktober bis M\u00e4rz oder morgens\/abends), filtert die Atmosph\u00e4re die UVB-Strahlen fast vollst\u00e4ndig heraus.<\/li>\n\n\n\n<li><strong>Glas &amp; Sonnenschutz:<\/strong> UVB-Strahlen dringen nicht durch Fensterglas. Zudem blockiert Sonnencreme mit hohem Lichtschutzfaktor (ab LSF 30) einen Gro\u00dfteil der k\u00f6rpereigenen Vitamin-D-Synthese.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">3. \u201eMehr hilft mehr\u201c (Die \u00dcberdosierungs-Falle)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Da Vitamin D wasserl\u00f6sliche Vitamine im Sprachgebrauch ignoriert, wird es oft wie Vitamin C als harmloses Alltags-Supplement dosiert.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Da es sich jedoch um ein <strong>fettl\u00f6sliches Prohormon<\/strong> handelt, scheidet der K\u00f6rper \u00dcbersch\u00fcsse nicht einfach \u00fcber den Urin aus, sondern speichert sie.<\/li>\n\n\n\n<li>Eine extreme \u00dcberdosierung \u00fcber Nahrungserg\u00e4nzungsmittel kann zu einer gef\u00e4hrlichen <strong>Hyperkalz\u00e4mie<\/strong> (\u00fcberm\u00e4\u00dfiger Kalziumgehalt im Blut) und Nierensch\u00e4den f\u00fchren.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Das wohl gr\u00f6\u00dfte Missverst\u00e4ndnis rund um Vitamin D betrifft seine biologische Natur: Vitamin D ist im biochemischen Sinn gar kein Vitamin. Es ist die Vorstufe eines Hormons (Prohormon). Daraus ergeben [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":15400,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[],"class_list":["post-15399","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tipps"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Das gr\u00f6\u00dfte Missverst\u00e4ndnis \u00fcber Vitamin D. Fast jeder liegt damit falsch. - Schnelle Rezepte<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.recipes-eu.com\/?p=15399\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Das gr\u00f6\u00dfte Missverst\u00e4ndnis \u00fcber Vitamin D. Fast jeder liegt damit falsch. - Schnelle Rezepte\" \/>\n<meta property=\"og:description\" content=\"Das wohl gr\u00f6\u00dfte Missverst\u00e4ndnis rund um Vitamin D betrifft seine biologische Natur: Vitamin D ist im biochemischen Sinn gar kein Vitamin. Es ist die Vorstufe eines Hormons (Prohormon). 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