{"id":99620,"date":"2026-02-16T05:34:44","date_gmt":"2026-02-16T04:34:44","guid":{"rendered":"https:\/\/www.infokuryr.cz\/n\/?p=99620"},"modified":"2026-02-16T05:34:44","modified_gmt":"2026-02-16T04:34:44","slug":"az-40-lidi-trpi-nedostatkem-vitaminu-b12-k-cemu-ho-potrebujete-a-jak-jej-bezpecne-ziskat","status":"publish","type":"post","link":"https:\/\/www.infokuryr.cz\/n\/2026\/02\/16\/az-40-lidi-trpi-nedostatkem-vitaminu-b12-k-cemu-ho-potrebujete-a-jak-jej-bezpecne-ziskat\/","title":{"rendered":"A\u017e 40% lid\u00ed trp\u00ed nedostatkem vitam\u00ednu B12: K \u010demu ho pot\u0159ebujete a jak jej bezpe\u010dn\u011b z\u00edskat?"},"content":{"rendered":"<div id=\"fb-root\"><\/div>\n<p><strong><span dir=\"auto\">Vitamin B12 nach\u00e1zej\u00edc\u00ed se p\u0159ev\u00e1\u017en\u011b v \u017eivo\u010di\u0161n\u00fdch potravin\u00e1ch je nezbytn\u00fd pro \u017eivot, ale miliony lid\u00ed nev\u011bdomky trp\u00ed jeho nedostatkem kv\u016fli \u0161patn\u00e9 absorpci, nedostatk\u016fm ve strav\u011b nebo u\u017e\u00edv\u00e1n\u00ed nekvalitn\u00edch syntetick\u00fdch dopl\u0148k\u016f.<\/span><\/strong><\/p>\n<p><span dir=\"auto\">Riziku jsou vystaveni hlavn\u011b star\u0161\u00ed dosp\u011bl\u00ed, vegani a vegetari\u00e1ni, ale tak\u00e9 konzumenti masa trp\u00edc\u00ed naru\u0161en\u00fdm zdrav\u00edm st\u0159ev.<\/span><\/p>\n<p><span dir=\"auto\">Jeho nedostatek vede k \u00fanav\u011b, neurologick\u00e9mu po\u0161kozen\u00ed a zv\u00fd\u0161en\u00e9mu homocysteinu \u2013 nebezpe\u010dn\u00e9 l\u00e1tky, kter\u00e1 je spojov\u00e1na se srde\u010dn\u00edmi chorobami a kognitivn\u00edm poklesem.<\/span><\/p>\n<p><span dir=\"auto\">\u0158e\u0161en\u00ed? Volba bioaktivn\u00ed formy methylkobalaminu nam\u00edsto syntetick\u00e9ho kyanokobalaminu, levn\u011bj\u0161\u00ed a m\u00e9n\u011b \u00fa\u010dinn\u00e9 alternativy obsahuj\u00edc\u00ed stopy kyanidu.<\/span><\/p>\n<h2><span dir=\"auto\">Pro\u010d je vitamin B12 d\u016fle\u017eit\u00fd<\/span><\/h2>\n<p><span dir=\"auto\">Vitamin B12 hraje kl\u00ed\u010dovou roli v synt\u00e9ze DNA, tvorb\u011b \u010derven\u00fdch krvinek, funkci nerv\u016f a detoxikaci homocysteinu \u2013 vedlej\u0161\u00edho produktu metabolismu, kter\u00fd, pokud se z t\u011bla neodstra\u0148uje, zp\u016fsobuje z\u00e1n\u011bty.<\/span><\/p>\n<p><span dir=\"auto\">Nedostatek vitam\u00ednu B12 se m\u016f\u017ee projevit jako mozkov\u00e1 mlha, necitlivost, deprese \u010di dokonce nevratn\u00e9 po\u0161kozen\u00ed nerv\u016f, pokud se nel\u00e9\u010d\u00ed. Studie jsou alarmuj\u00edc\u00ed a nazna\u010duj\u00ed, \u017ee t\u00e9m\u011b\u0159 40% populace m\u016f\u017ee m\u00edt suboptim\u00e1ln\u00ed hladiny B12 bez ohledu na stravu.<\/span><\/p>\n<p><span dir=\"auto\">Nejv\u011bt\u0161\u00edmi vin\u00edky nedostatku vitam\u00ednu B12 jsou:<\/span><\/p>\n<ul>\n<li><span dir=\"auto\">probl\u00e9my se \u0161patnou absorpc\u00ed \u2013 je-li n\u00edzk\u00e1 hladina \u017ealude\u010dn\u00ed kyseliny doch\u00e1z\u00ed k nedostatku glykoproteinu tvo\u0159en\u00e9ho pariet\u00e1ln\u00edmi bu\u0148kami \u017ealudku, kter\u00fd je nezbytn\u00fd pro vst\u0159eb\u00e1v\u00e1n\u00ed vitam\u00ednu B12 (podobn\u011b jako p\u0159i pernici\u00f3zn\u00ed an\u00e9mii)<\/span><\/li>\n<li><span dir=\"auto\">zhor\u0161en\u00e1 funkce slinivky b\u0159i\u0161n\u00ed, jater nebo tenk\u00e9ho st\u0159eva<\/span><\/li>\n<li><span dir=\"auto\">dietn\u00ed nedostate\u010dnost<\/span><\/li>\n<li><span dir=\"auto\">chronick\u00e9 u\u017e\u00edv\u00e1n\u00ed l\u00e9k\u016f, jako jsou inhibitory protonov\u00e9 pumpy (proti\u00a0<\/span><a href=\"https:\/\/www.badatel.net\/paradox-palenia-zahy-preco-hasenie-ohna-moze-rozduchat-este-vacsi-poziar\/\"><span dir=\"auto\">p\u00e1len\u00ed \u017e\u00e1hy<\/span><\/a><span dir=\"auto\">\u00a0) a metformin (l\u00e9k proti cukrovce typu 2)<\/span><\/li>\n<li><span dir=\"auto\">pokles absorpce souvisej\u00edc\u00edm s v\u011bkem<\/span><\/li>\n<\/ul>\n<p><span dir=\"auto\">Krom\u011b toho vegansk\u00e1 a z\u010d\u00e1sti i vegetari\u00e1nsk\u00e1 strava bez suplementace a gastrointestin\u00e1ln\u00ed operace (nap\u0159. gastrick\u00fd bypass) tak\u00e9 v\u00fdznamn\u011b p\u0159isp\u00edvaj\u00ed k nedostatku B12.<\/span><\/p>\n<p><span dir=\"auto\">Na rozd\u00edl od jin\u00fdch vitam\u00edn\u016f skupiny B, vitam\u00edn B12 vy\u017eaduje ke vst\u0159eb\u00e1v\u00e1n\u00ed \u017ealude\u010dn\u00ed protein naz\u00fdvan\u00fd intrinsick\u00fd faktor, respektive glykoprotein. St\u00e1rnut\u00ed, st\u0159evn\u00ed poruchy (jako je celiakie nebo syndrom dr\u00e1\u017ediv\u00e9ho tra\u010dn\u00edku) a l\u00e9ky (jako jsou blok\u00e1tory \u017ealude\u010dn\u00ed kyseliny) tento proces naru\u0161uj\u00ed, tak\u017ee nedostatek je b\u011b\u017en\u00fd iu konzument\u016f masa.<\/span><\/p>\n<p><span dir=\"auto\">Zat\u00edmco \u017eivo\u010di\u0161n\u00e9 produkty, jako jsou hov\u011bz\u00ed maso, vejce a ml\u00e9\u010dn\u00e9 v\u00fdrobky, obsahuj\u00ed vitamin B12, modern\u00ed zem\u011bd\u011blsk\u00e9 postupy, kter\u00e9 vedou ke steriln\u00edm p\u016fd\u00e1m a zahrnuj\u00ed krmivo pln\u00e9 antibiotik, zp\u016fsobuj\u00ed, \u017ee i hospod\u00e1\u0159sk\u00e1 zv\u00ed\u0159ata \u010dasto pot\u0159ebuj\u00ed jeho dopln\u011bn\u00ed.<\/span><\/p>\n<h2><span dir=\"auto\">Nejlep\u0161\u00ed zdroje vitam\u00ednu B12<\/span><\/h2>\n<p><span dir=\"auto\">Pro optim\u00e1ln\u00ed vst\u0159eb\u00e1v\u00e1n\u00ed vitam\u00ednu B12 odborn\u00edci doporu\u010duj\u00ed:<\/span><\/p>\n<p><span dir=\"auto\">1. Dopl\u0148ky methylkobalaminu \u2013 sublingv\u00e1ln\u00ed (podjazykov\u00e9) nebo lipozom\u00e1ln\u00ed formy obch\u00e1zej\u00ed probl\u00e9my se st\u0159evy<\/span><\/p>\n<p><span dir=\"auto\">2. Divoce rostouc\u00ed nebo neumyt\u00e9 bio produkty (p\u016fdn\u00ed mikroby toti\u017e p\u0159irozen\u011b produkuj\u00ed vitam\u00edn B12)<\/span><\/p>\n<p><span dir=\"auto\">3. Fermentovan\u00e9 potraviny (nap\u0159. tradi\u010dn\u00ed tempeh, kimchi) v mal\u00fdch mno\u017estv\u00edch.<\/span><\/p>\n<p><span dir=\"auto\">4. Obohacen\u00e9 potravin\u00e1\u0159sk\u00e9 dro\u017ed\u00ed (zkontrolujte etikety, zda obsahuje aktivn\u00ed vitam\u00edn B12)<\/span><\/p>\n<p><span dir=\"auto\">Vyh\u00fdbejte se kyanokobalaminu, syntetick\u00e9 form\u011b vitam\u00ednu B12, kter\u00e1 vy\u017eaduje detoxikaci sv\u00e9 kyanidov\u00e9 slo\u017eky.<\/span><\/p>\n<h2><span dir=\"auto\">Testov\u00e1n\u00ed a d\u00e1vkov\u00e1n\u00ed<\/span><\/h2>\n<p><span dir=\"auto\">Krevn\u00ed testy m\u011b\u0159\u00edc\u00ed vitam\u00edn B12 (optim\u00e1ln\u011b: 400 a\u017e 700 pg\/ml) a kyselinu metylmalonovou (MMA) mohou odhalit nedostatek, i kdy\u017e se hladiny B12 zdaj\u00ed b\u00fdt norm\u00e1ln\u00ed.<\/span><\/p>\n<p><span dir=\"auto\">Denn\u00ed pot\u0159eba vitam\u00ednu B12 se li\u0161\u00ed v z\u00e1vislosti na r\u016fzn\u00fdch faktorech:<\/span><\/p>\n<p><strong><span dir=\"auto\">a) dosp\u011bl\u00ed:<\/span><\/strong><span dir=\"auto\">\u00a02,4 mikrogram\u016f (mcg) \u2013 vy\u0161\u0161\u00ed d\u00e1vky jsou pot\u0159ebn\u00e9, pokud je zhor\u0161en\u00e1 absorpce<\/span><\/p>\n<p><strong><span dir=\"auto\">b) d\u011bti:<\/span><\/strong><span dir=\"auto\">\u00a00,4 a\u017e 2,4 mcg podle v\u011bku<\/span><\/p>\n<p><strong><span dir=\"auto\">c) t\u011bhotn\u00e9\/koj\u00edc\u00ed \u017eeny:<\/span><\/strong><span dir=\"auto\">\u00a02,6 a\u017e 2,8 mcg<\/span><\/p>\n<p><strong><span dir=\"auto\">d) vegani a vegetari\u00e1ni:<\/span><\/strong><span dir=\"auto\">\u00a0250 a\u017e 500 mcg denn\u011b prost\u0159ednictv\u00edm dopl\u0148k\u016f stravy<\/span><\/p>\n<p><span dir=\"auto\">Tlak na syntetick\u00fd kyanokobalamin odr\u00e1\u017e\u00ed \u0161ir\u0161\u00ed motivy farmaceutick\u00e9ho pr\u016fmyslu \u2013 up\u0159ednost\u0148ov\u00e1n\u00ed patentovateln\u00fdch forem p\u0159ed p\u0159\u00edrodn\u00edmi \u0159e\u0161en\u00edmi.<\/span><\/p>\n<p><span dir=\"auto\">Mezit\u00edm vy\u010derp\u00e1v\u00e1n\u00ed \u017eivin v p\u016fd\u011b a hyperdezinfikovan\u00e1 strava zbavuj\u00ed p\u0159\u00edrodn\u00ed zdroje vitam\u00ednu B12, n\u00e1sledkem \u010deho\u017e miliony lid\u00ed z\u016fst\u00e1vaj\u00ed z\u00e1visl\u00e9 na obohacen\u00fdch zpracovan\u00fdch potravin\u00e1ch nebo ne\u00fa\u010dinn\u00fdch dopl\u0148c\u00edch.<\/span><\/p>\n<h2><span dir=\"auto\">Z\u00e1v\u011br<\/span><\/h2>\n<p><span dir=\"auto\">Vitamin B12 nen\u00ed probl\u00e9mem jen vegan\u016f; je to slep\u00e9 m\u00edsto ve\u0159ejn\u00e9ho zdrav\u00ed. V\u00fdb\u011br methylkobalaminu, podpora zdrav\u00ed st\u0159ev a po\u017eadov\u00e1n\u00ed transparentnosti u potravin a dopl\u0148k\u016f stravy jsou kl\u00ed\u010dov\u00fdmi kroky ke zvr\u00e1cen\u00ed nedostatku \u017eivin.<\/span><\/p>\n<p><span dir=\"auto\">V \u00e9\u0159e um\u011ble vytvo\u0159en\u00e9ho nedostatku potravin a korporacemi kontrolovan\u00e9 v\u00fd\u017eivy je obnoven\u00ed dostate\u010dn\u00e9ho p\u0159\u00edjmu vitaminu B12 osobn\u00ed ochranou i tich\u00fdm aktem vzdoru.<\/span><\/p>\n<p><span dir=\"auto\">Autor: Evangelyn Rodriguez, Zdroj:\u00a0<\/span><a href=\"https:\/\/www.naturalnews.com\/2026-02-12-truth-vitamin-b12-why-you-need-it.html\" target=\"_blank\" rel=\"noopener\"><span dir=\"auto\">naturalnews.com<\/span><\/a><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Vitamin B12 nach\u00e1zej\u00edc\u00ed se p\u0159ev\u00e1\u017en\u011b v \u017eivo\u010di\u0161n\u00fdch potravin\u00e1ch je nezbytn\u00fd pro \u017eivot, ale miliony lid\u00ed&#8230;<\/p>\n","protected":false},"author":2,"featured_media":99621,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[7],"tags":[940,3368,6771,21],"_links":{"self":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts\/99620"}],"collection":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/comments?post=99620"}],"version-history":[{"count":0,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts\/99620\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/media\/99621"}],"wp:attachment":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/media?parent=99620"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/categories?post=99620"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/tags?post=99620"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}