{"id":12779,"date":"2022-03-25T19:57:22","date_gmt":"2022-03-25T17:57:22","guid":{"rendered":"https:\/\/businessexpress.ro\/?p=12779"},"modified":"2026-01-03T21:56:02","modified_gmt":"2026-01-03T19:56:02","slug":"vitamina-b12-beneficii-surse-si-deficit","status":"publish","type":"post","link":"https:\/\/businessexpress.ro\/ro\/vitamina-b12-beneficii-surse-si-deficit\/","title":{"rendered":"Vitamina B12: Beneficii, Surse \u0219i Deficit"},"content":{"rendered":"<figure class=\"wp-block-image size-large\"><img data-recalc-dims=\"1\" decoding=\"async\" width=\"1000\" height=\"563\" data-attachment-id=\"12780\" data-permalink=\"https:\/\/businessexpress.ro\/ro\/vitamina-b12-beneficii-surse-si-deficit\/vitamina-b12-beneficii-surse-deficit\/\" data-orig-file=\"https:\/\/i0.wp.com\/businessexpress.ro\/wp-content\/uploads\/2022\/03\/vitamina-b12-beneficii-surse-deficit-scaled.jpg?fit=800%2C450&amp;ssl=1\" data-orig-size=\"800,450\" data-comments-opened=\"0\" data-image-title=\"vitamina-b12-beneficii-surse-deficit\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/businessexpress.ro\/wp-content\/uploads\/2022\/03\/vitamina-b12-beneficii-surse-deficit-scaled.jpg?fit=1000%2C563&amp;ssl=1\" data-src=\"https:\/\/i0.wp.com\/businessexpress.ro\/wp-content\/uploads\/2022\/03\/vitamina-b12-beneficii-surse-deficit.jpg?resize=1000%2C563&#038;ssl=1\" alt=\"\" class=\"wp-image-12780 lazyload\" data-srcset=\"https:\/\/i0.wp.com\/businessexpress.ro\/wp-content\/uploads\/2022\/03\/vitamina-b12-beneficii-surse-deficit-scaled.jpg?resize=1024%2C576&amp;ssl=1 1024w, https:\/\/i0.wp.com\/businessexpress.ro\/wp-content\/uploads\/2022\/03\/vitamina-b12-beneficii-surse-deficit-scaled.jpg?resize=300%2C169&amp;ssl=1 300w, https:\/\/i0.wp.com\/businessexpress.ro\/wp-content\/uploads\/2022\/03\/vitamina-b12-beneficii-surse-deficit-scaled.jpg?resize=768%2C432&amp;ssl=1 768w, https:\/\/i0.wp.com\/businessexpress.ro\/wp-content\/uploads\/2022\/03\/vitamina-b12-beneficii-surse-deficit-scaled.jpg?resize=18%2C10&amp;ssl=1 18w, https:\/\/i0.wp.com\/businessexpress.ro\/wp-content\/uploads\/2022\/03\/vitamina-b12-beneficii-surse-deficit-scaled.jpg?w=800&amp;ssl=1 800w\" data-sizes=\"(max-width: 1000px) 100vw, 1000px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1000px; --smush-placeholder-aspect-ratio: 1000\/563;\" \/><figcaption>Vitamina B12 este un nutrient esen\u021bial care ajut\u0103 organismul s\u0103 creeze ADN, hr\u0103ne\u0219te creierul \u0219i sistemul nervos \u0219i ajut\u0103 la formarea globulelor ro\u0219ii s\u0103n\u0103toase. Nutrientul se g\u0103se\u0219te \u00een mod natural \u00een carne, pe\u0219te \u0219i produse lactate \u0219i poate fi creat \u00eentr-un laborator. Unora le lipse\u0219te o protein\u0103 care ajut\u0103 organismul s\u0103 absoarb\u0103 vitamina B12 din alimente \u0219i suplimente. Lipsa B12 v\u0103 poate expune un risc mai mare pentru un anumit tip de anemie care v\u0103 face s\u0103 v\u0103 sim\u021bi\u021bi sl\u0103bit \u0219i obosit.<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/nutricent.ro\/alimente-bogate-in-vitamina-b6-si-b12\/\" target=\"_blank\" rel=\"noopener\">Alimentele bogate in Vitamina B12<\/a>&nbsp;sunt produsele de origine animal\u0103, cum ar fi ou\u0103, carne, pe\u0219te, carne de pas\u0103re, lapte \u0219i unele produse nutritive cu drojdie. Vitamina B12 nu se g\u0103se\u0219te \u00een mod natural \u00een majoritatea alimentelor vegetale, a\u0219a c\u0103 cerealele fortificate pentru micul dejun sunt recomandate vegetarienilor.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Beneficii pentru s\u0103n\u0103tate<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Previne si trateaz\u0103 depresia<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vitamina B12 joac\u0103 un rol important \u00een produc\u021bia de serotonin\u0103, astfel \u00eenc\u00e2t o deficien\u021b\u0103 poate fi asociat\u0103 cu depresia clinic\u0103. \u00centr-un studiu, s-a constatat c\u0103 femeile \u00een v\u00e2rst\u0103 cu dizabilit\u0103\u021bi cu deficien\u021b\u0103 de B12 prezint\u0103 un risc dublu de depresie sever\u0103 fa\u021b\u0103 de cele f\u0103r\u0103 deficien\u021b\u0103. \u00cen plus, nivelurile ridicate de vitamina B12 au fost asociate cu \u0219anse mai mari de recuperare dup\u0103 tulburarea depresiv\u0103 major\u0103.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Risc redus de degenerescen\u021b\u0103 macular\u0103<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Prin suplimentarea cu vitamina B12 se crede c\u0103 scade homocisteina din s\u00e2nge, ceea ce poate ajuta la prevenirea degenerescen\u021bei maculare asociate cu v\u00e2rsta, o boal\u0103 a ochilor care poate cauza orbire la adul\u021bii \u00een v\u00e2rst\u0103. \u00centr-un studiu efectuat pe 5.000 de femei de 40 de ani \u0219i peste, cele care au luat suplimente de vitamine B12, B6 \u0219i acid folic au avut cu 34% mai pu\u021bine cazuri de degenerescen\u021b\u0103 macular\u0103 dup\u0103 \u0219apte ani dec\u00e2t un grup placebo. Riscul lor de degenerare sever\u0103 a fost cu 41% mai mic.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>S\u0103n\u0103tatea sarcinii<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dac\u0103 o femeie are un deficit de vitamina B12 \u00een primele etape ale sarcinii, copilul ei prezint\u0103 un risc crescut de malforma\u021bii congenitale ale tubului neural \u0219i greutate mic\u0103 la na\u0219tere. Mamele cu niveluri sc\u0103zute de B12 au, de asemenea, mai multe \u0219anse s\u0103 avorteze sau s\u0103 nasc\u0103 prematur. Femeile cu niveluri sc\u0103zute de vitamina B12 au \u0219anse de trei ori mai mari de a avea un copil cu malforma\u021bii congenitale.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>S\u0103n\u0103tatea creierului<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vitamina B12 este un nutrient esen\u021bial pentru neuronii din creier. Atrofia creierului, care se refer\u0103 la pierderea neuronilor din creier, este asociat\u0103 cu pierderea memoriei \u0219i demen\u021ba. \u00centr-un studiu randomizat, adul\u021bii \u00een v\u00e2rst\u0103 cu demen\u021b\u0103 \u00een stadiu incipient c\u0103rora li s-au administrat suplimente de vitamina B12 pentru a-\u0219i sc\u0103dea nivelul de homocistein\u0103 din s\u00e2nge au demonstrat o rat\u0103 mai lent\u0103 a declinului cognitiv \u0219i clinic.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Un alt studiu a constatat c\u0103 nivelurile sc\u0103zute de B12, chiar \u0219i \u00een limitele normale, contribuie la performan\u021ba slab\u0103 a memoriei. Sunt necesare mai multe studii \u00eenainte ca cercet\u0103torii s\u0103 poat\u0103 fi siguri de impactul supliment\u0103rii cu B12 asupra pierderii memoriei \u0219i a demen\u021bei.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Riscuri de sanatate<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nu exist\u0103 niciun risc cunoscut asociat cu vitamina B12. Cu toate acestea, suplimentele de B12 pot interac\u021biona cu unele medicamente, inclusiv:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Cloramfenicol<\/li><li>Inhibitori ai pompei de protoni<\/li><li>Antagoni\u015fti ai receptorilor histaminici H2<\/li><li>Metformin\u0103<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Dac\u0103 lua\u021bi oricare dintre aceste medicamente, discuta\u021bi cu medicul dumneavoastr\u0103 sau cu farmacistul \u00eenainte de a ad\u0103uga un supliment de B12 la rutina dumneavoastr\u0103. Cantit\u0103\u021bile \u0219i dozele aportului zilnic recomandat de vitamina B-12 pentru adul\u021bi este de 2,4 micrograme.<\/p>","protected":false},"excerpt":{"rendered":"<p>Alimentele bogate in Vitamina B12&nbsp;sunt produsele de origine animal\u0103, cum ar fi ou\u0103, carne, pe\u0219te, carne de pas\u0103re, lapte \u0219i unele produse nutritive cu drojdie. Vitamina B12 nu se g\u0103se\u0219te \u00een mod natural \u00een majoritatea alimentelor vegetale, a\u0219a c\u0103 cerealele fortificate pentru micul dejun sunt recomandate vegetarienilor. Beneficii pentru s\u0103n\u0103tate [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":12780,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"wpzoom_is_breaking":0,"source_url":"","_jetpack_feature_clip_id":0,"_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},"jetpack_post_was_ever_published":false},"categories":[9,1],"tags":[],"class_list":["post-12779","post","type-post","status-publish","format-standard","has-post-thumbnail","category-actual","category-sanatate"],"jetpack_publicize_connections":[],"jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/paH2fj-3k7","jetpack_featured_media_url":"https:\/\/i0.wp.com\/businessexpress.ro\/wp-content\/uploads\/2022\/03\/vitamina-b12-beneficii-surse-deficit-scaled.jpg?fit=800%2C450&ssl=1","_links":{"self":[{"href":"https:\/\/businessexpress.ro\/ro\/wp-json\/wp\/v2\/posts\/12779","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/businessexpress.ro\/ro\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/businessexpress.ro\/ro\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/businessexpress.ro\/ro\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/businessexpress.ro\/ro\/wp-json\/wp\/v2\/comments?post=12779"}],"version-history":[{"count":1,"href":"https:\/\/businessexpress.ro\/ro\/wp-json\/wp\/v2\/posts\/12779\/revisions"}],"predecessor-version":[{"id":12781,"href":"https:\/\/businessexpress.ro\/ro\/wp-json\/wp\/v2\/posts\/12779\/revisions\/12781"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/businessexpress.ro\/ro\/wp-json\/wp\/v2\/media\/12780"}],"wp:attachment":[{"href":"https:\/\/businessexpress.ro\/ro\/wp-json\/wp\/v2\/media?parent=12779"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/businessexpress.ro\/ro\/wp-json\/wp\/v2\/categories?post=12779"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/businessexpress.ro\/ro\/wp-json\/wp\/v2\/tags?post=12779"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}