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class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Sintomi_di_carenza_e_fattori_che_interferiscono_con_l'assunzione"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Sintomi di carenza e fattori che interferiscono con l'assunzione</span> </div> </a> <ul id="toc-Sintomi_di_carenza_e_fattori_che_interferiscono_con_l'assunzione-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Le_vitamine_del_Gruppo_B" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Le_vitamine_del_Gruppo_B"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Le vitamine del Gruppo B</span> </div> </a> <ul id="toc-Le_vitamine_del_Gruppo_B-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Fonti_di_vitamine_B" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Fonti_di_vitamine_B"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Fonti di vitamine B</span> </div> </a> <ul id="toc-Fonti_di_vitamine_B-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Note" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Note"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Note</span> </div> </a> <ul id="toc-Note-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Altri_progetti" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Altri_progetti"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>Altri progetti</span> </div> </a> <ul id="toc-Altri_progetti-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Indice" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Mostra/Nascondi l'indice" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Mostra/Nascondi l'indice</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Vitamina B</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Vai a una voce in un'altra lingua. Disponibile in 62 lingue" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-62" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">62 lingue</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D9%81%D9%8A%D8%AA%D8%A7%D9%85%D9%8A%D9%86%D8%A7%D8%AA_%D8%A8%D9%8A" title="فيتامينات بي - arabo" lang="ar" hreflang="ar" data-title="فيتامينات بي" data-language-autonym="العربية" data-language-local-name="arabo" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/B_vitamini" title="B vitamini - azerbaigiano" lang="az" hreflang="az" data-title="B vitamini" data-language-autonym="Azərbaycanca" data-language-local-name="azerbaigiano" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%92%D1%96%D1%82%D0%B0%D0%BC%D1%96%D0%BD%D1%8B_%D0%B3%D1%80%D1%83%D0%BF%D1%8B_B" title="Вітаміны групы B - bielorusso" lang="be" hreflang="be" data-title="Вітаміны групы B" data-language-autonym="Беларуская" data-language-local-name="bielorusso" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-be-x-old mw-list-item"><a href="https://be-tarask.wikipedia.org/wiki/%D0%92%D1%96%D1%82%D0%B0%D0%BC%D1%96%D0%BD%D1%8B_%D0%B3%D1%80%D1%83%D0%BF%D1%8B_%D0%91" title="Вітаміны групы Б - Belarusian (Taraškievica orthography)" lang="be-tarask" hreflang="be-tarask" data-title="Вітаміны групы Б" data-language-autonym="Беларуская (тарашкевіца)" data-language-local-name="Belarusian (Taraškievica orthography)" class="interlanguage-link-target"><span>Беларуская (тарашкевіца)</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%92%D0%B8%D1%82%D0%B0%D0%BC%D0%B8%D0%BD%D0%B8_%D0%BE%D1%82_%D0%B3%D1%80%D1%83%D0%BF%D0%B0_B" title="Витамини от група B - bulgaro" lang="bg" hreflang="bg" data-title="Витамини от група B" data-language-autonym="Български" data-language-local-name="bulgaro" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%AD%E0%A6%BF%E0%A6%9F%E0%A6%BE%E0%A6%AE%E0%A6%BF%E0%A6%A8_%E0%A6%AC%E0%A6%BF" title="ভিটামিন বি - bengalese" lang="bn" hreflang="bn" data-title="ভিটামিন বি" data-language-autonym="বাংলা" data-language-local-name="bengalese" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Vitamina_B" title="Vitamina B - catalano" lang="ca" hreflang="ca" data-title="Vitamina B" data-language-autonym="Català" data-language-local-name="catalano" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/B-komplex" title="B-komplex - ceco" lang="cs" hreflang="cs" data-title="B-komplex" data-language-autonym="Čeština" data-language-local-name="ceco" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-cy mw-list-item"><a href="https://cy.wikipedia.org/wiki/Fitamin_B" title="Fitamin B - gallese" lang="cy" hreflang="cy" data-title="Fitamin B" data-language-autonym="Cymraeg" data-language-local-name="gallese" class="interlanguage-link-target"><span>Cymraeg</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Vitamin_B" title="Vitamin B - danese" lang="da" hreflang="da" data-title="Vitamin B" data-language-autonym="Dansk" data-language-local-name="danese" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Vitamin_B" title="Vitamin B - tedesco" lang="de" hreflang="de" data-title="Vitamin B" data-language-autonym="Deutsch" data-language-local-name="tedesco" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-dv mw-list-item"><a href="https://dv.wikipedia.org/wiki/%DE%88%DE%A8%DE%93%DE%A6%DE%89%DE%A8%DE%82%DE%B0_%DE%84%DE%A9" title="ވިޓަމިން ބީ - divehi" lang="dv" hreflang="dv" data-title="ވިޓަމިން ބީ" data-language-autonym="ދިވެހިބަސް" data-language-local-name="divehi" class="interlanguage-link-target"><span>ދިވެހިބަސް</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/B_vitamins" title="B vitamins - inglese" lang="en" hreflang="en" data-title="B vitamins" data-language-autonym="English" data-language-local-name="inglese" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Vitamino_B" title="Vitamino B - esperanto" lang="eo" hreflang="eo" data-title="Vitamino B" data-language-autonym="Esperanto" data-language-local-name="esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Vitaminas_del_grupo_B" title="Vitaminas del grupo B - spagnolo" lang="es" hreflang="es" data-title="Vitaminas del grupo B" data-language-autonym="Español" data-language-local-name="spagnolo" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/B-r%C3%BChma_vitamiinid" title="B-rühma vitamiinid - estone" lang="et" hreflang="et" data-title="B-rühma vitamiinid" data-language-autonym="Eesti" data-language-local-name="estone" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/B_taldearen_bitaminak" title="B taldearen bitaminak - basco" lang="eu" hreflang="eu" data-title="B taldearen bitaminak" data-language-autonym="Euskara" data-language-local-name="basco" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D9%88%DB%8C%D8%AA%D8%A7%D9%85%DB%8C%D9%86%E2%80%8C%D9%87%D8%A7%DB%8C_%DA%AF%D8%B1%D9%88%D9%87_%D8%A8" title="ویتامین‌های گروه ب - persiano" lang="fa" hreflang="fa" data-title="ویتامین‌های گروه ب" data-language-autonym="فارسی" data-language-local-name="persiano" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/B-vitamiini" title="B-vitamiini - finlandese" lang="fi" hreflang="fi" data-title="B-vitamiini" data-language-autonym="Suomi" data-language-local-name="finlandese" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Vitamine_B" title="Vitamine B - francese" lang="fr" hreflang="fr" data-title="Vitamine B" data-language-autonym="Français" data-language-local-name="francese" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Vitamina_B" title="Vitamina B - galiziano" lang="gl" hreflang="gl" data-title="Vitamina B" data-language-autonym="Galego" data-language-local-name="galiziano" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%95%D7%99%D7%98%D7%9E%D7%99%D7%9F_B" title="ויטמין B - ebraico" lang="he" hreflang="he" data-title="ויטמין B" data-language-autonym="עברית" data-language-local-name="ebraico" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%B5%E0%A4%BF%E0%A4%9F%E0%A4%BE%E0%A4%AE%E0%A4%BF%E0%A4%A8_%E0%A4%AC%E0%A5%80_%E0%A4%B8%E0%A4%AE%E0%A5%82%E0%A4%B9" title="विटामिन बी समूह - hindi" lang="hi" hreflang="hi" data-title="विटामिन बी समूह" data-language-autonym="हिन्दी" data-language-local-name="hindi" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/B-kompleks" title="B-kompleks - croato" lang="hr" hreflang="hr" data-title="B-kompleks" data-language-autonym="Hrvatski" data-language-local-name="croato" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/B_%D5%AD%D5%B4%D5%A2%D5%AB_%D5%BE%D5%AB%D5%BF%D5%A1%D5%B4%D5%AB%D5%B6%D5%B6%D5%A5%D6%80" title="B խմբի վիտամիններ - armeno" lang="hy" hreflang="hy" data-title="B խմբի վիտամիններ" data-language-autonym="Հայերեն" data-language-local-name="armeno" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Vitamin_B" title="Vitamin B - indonesiano" lang="id" hreflang="id" data-title="Vitamin B" data-language-autonym="Bahasa Indonesia" data-language-local-name="indonesiano" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-is mw-list-item"><a href="https://is.wikipedia.org/wiki/B-v%C3%ADtam%C3%ADn" title="B-vítamín - islandese" lang="is" hreflang="is" data-title="B-vítamín" data-language-autonym="Íslenska" data-language-local-name="islandese" class="interlanguage-link-target"><span>Íslenska</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E3%83%93%E3%82%BF%E3%83%9F%E3%83%B3B%E7%BE%A4" title="ビタミンB群 - giapponese" lang="ja" hreflang="ja" data-title="ビタミンB群" data-language-autonym="日本語" data-language-local-name="giapponese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/B_%E1%83%95%E1%83%98%E1%83%A2%E1%83%90%E1%83%9B%E1%83%98%E1%83%9C%E1%83%94%E1%83%91%E1%83%98" title="B ვიტამინები - georgiano" lang="ka" hreflang="ka" data-title="B ვიტამინები" data-language-autonym="ქართული" data-language-local-name="georgiano" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-km mw-list-item"><a href="https://km.wikipedia.org/wiki/%E1%9E%9C%E1%9E%B8%E1%9E%8F%E1%9E%B6%E1%9E%98%E1%9E%B8%E1%9E%93_B" title="វីតាមីន B - khmer" lang="km" hreflang="km" data-title="វីតាមីន B" data-language-autonym="ភាសាខ្មែរ" data-language-local-name="khmer" class="interlanguage-link-target"><span>ភាសាខ្មែរ</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EB%B9%84%ED%83%80%EB%AF%BC_B_%EB%B3%B5%ED%95%A9%EC%B2%B4" title="비타민 B 복합체 - coreano" lang="ko" hreflang="ko" data-title="비타민 B 복합체" data-language-autonym="한국어" data-language-local-name="coreano" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-ku mw-list-item"><a href="https://ku.wikipedia.org/wiki/V%C3%AEtam%C3%AEn%C3%AAn_B" title="Vîtamînên B - curdo" lang="ku" hreflang="ku" data-title="Vîtamînên B" data-language-autonym="Kurdî" data-language-local-name="curdo" class="interlanguage-link-target"><span>Kurdî</span></a></li><li class="interlanguage-link interwiki-lb mw-list-item"><a href="https://lb.wikipedia.org/wiki/Vitaminn_B" title="Vitaminn B - lussemburghese" lang="lb" hreflang="lb" data-title="Vitaminn B" data-language-autonym="Lëtzebuergesch" data-language-local-name="lussemburghese" class="interlanguage-link-target"><span>Lëtzebuergesch</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Vitaminas_B" title="Vitaminas B - lituano" lang="lt" hreflang="lt" data-title="Vitaminas B" data-language-autonym="Lietuvių" data-language-local-name="lituano" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-ml mw-list-item"><a href="https://ml.wikipedia.org/wiki/%E0%B4%9C%E0%B5%80%E0%B4%B5%E0%B4%95%E0%B4%82_%E0%B4%AC%E0%B4%BF_%E0%B4%95%E0%B5%8B%E0%B4%82%E0%B4%AA%E0%B5%8D%E0%B4%B2%E0%B4%95%E0%B5%8D%E0%B4%B8%E0%B5%8D" title="ജീവകം ബി കോംപ്ലക്സ് - malayalam" lang="ml" hreflang="ml" data-title="ജീവകം ബി കോംപ്ലക്സ്" data-language-autonym="മലയാളം" data-language-local-name="malayalam" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-mr mw-list-item"><a href="https://mr.wikipedia.org/wiki/%E0%A4%AC-%E0%A4%9C%E0%A5%80%E0%A4%B5%E0%A4%A8%E0%A4%B8%E0%A4%A4%E0%A5%8D%E0%A4%A4%E0%A5%8D%E0%A4%B5" title="ब-जीवनसत्त्व - marathi" lang="mr" hreflang="mr" data-title="ब-जीवनसत्त्व" data-language-autonym="मराठी" data-language-local-name="marathi" class="interlanguage-link-target"><span>मराठी</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Vitamin_B" title="Vitamin B - malese" lang="ms" hreflang="ms" data-title="Vitamin B" data-language-autonym="Bahasa Melayu" data-language-local-name="malese" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-ne mw-list-item"><a href="https://ne.wikipedia.org/wiki/%E0%A4%AD%E0%A4%BF%E0%A4%9F%E0%A4%BE%E0%A4%AE%E0%A4%BF%E0%A4%A8_%E0%A4%AC%E0%A5%80" title="भिटामिन बी - nepalese" lang="ne" hreflang="ne" data-title="भिटामिन बी" data-language-autonym="नेपाली" data-language-local-name="nepalese" class="interlanguage-link-target"><span>नेपाली</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Vitamine_B" title="Vitamine B - olandese" lang="nl" hreflang="nl" data-title="Vitamine B" data-language-autonym="Nederlands" data-language-local-name="olandese" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Vitamin_B" title="Vitamin B - norvegese bokmål" lang="nb" hreflang="nb" data-title="Vitamin B" data-language-autonym="Norsk bokmål" data-language-local-name="norvegese bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-oc mw-list-item"><a href="https://oc.wikipedia.org/wiki/Vitamina_B" title="Vitamina B - occitano" lang="oc" hreflang="oc" data-title="Vitamina B" data-language-autonym="Occitan" data-language-local-name="occitano" class="interlanguage-link-target"><span>Occitan</span></a></li><li class="interlanguage-link interwiki-or mw-list-item"><a href="https://or.wikipedia.org/wiki/%E0%AC%9C%E0%AD%80%E0%AC%AC%E0%AC%B8%E0%AC%BE%E0%AC%B0_%E0%AC%96" title="ଜୀବସାର ଖ - odia" lang="or" hreflang="or" data-title="ଜୀବସାର ଖ" data-language-autonym="ଓଡ଼ିଆ" data-language-local-name="odia" class="interlanguage-link-target"><span>ଓଡ଼ିଆ</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Witaminy_B" title="Witaminy B - polacco" lang="pl" hreflang="pl" data-title="Witaminy B" data-language-autonym="Polski" data-language-local-name="polacco" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Complexo_B" title="Complexo B - portoghese" lang="pt" hreflang="pt" data-title="Complexo B" data-language-autonym="Português" data-language-local-name="portoghese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Vitamina_B" title="Vitamina B - rumeno" lang="ro" hreflang="ro" data-title="Vitamina B" data-language-autonym="Română" data-language-local-name="rumeno" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%92%D0%B8%D1%82%D0%B0%D0%BC%D0%B8%D0%BD%D1%8B_%D0%B3%D1%80%D1%83%D0%BF%D0%BF%D1%8B_B" title="Витамины группы B - russo" lang="ru" hreflang="ru" data-title="Витамины группы B" data-language-autonym="Русский" data-language-local-name="russo" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Vitamin_B" title="Vitamin B - serbo-croato" lang="sh" hreflang="sh" data-title="Vitamin B" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="serbo-croato" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/B_vitamins" title="B vitamins - Simple English" lang="en-simple" hreflang="en-simple" data-title="B vitamins" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Vitam%C3%ADn_B" title="Vitamín B - slovacco" lang="sk" hreflang="sk" data-title="Vitamín B" data-language-autonym="Slovenčina" data-language-local-name="slovacco" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Vitamin_B" title="Vitamin B - sloveno" lang="sl" hreflang="sl" data-title="Vitamin B" data-language-autonym="Slovenščina" data-language-local-name="sloveno" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-sq mw-list-item"><a href="https://sq.wikipedia.org/wiki/Vitamina_B" title="Vitamina B - albanese" lang="sq" hreflang="sq" data-title="Vitamina B" data-language-autonym="Shqip" data-language-local-name="albanese" class="interlanguage-link-target"><span>Shqip</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%92%D0%B8%D1%82%D0%B0%D0%BC%D0%B8%D0%BD_%D0%91" title="Витамин Б - serbo" lang="sr" hreflang="sr" data-title="Витамин Б" data-language-autonym="Српски / srpski" data-language-local-name="serbo" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/B-vitamin" title="B-vitamin - svedese" lang="sv" hreflang="sv" data-title="B-vitamin" data-language-autonym="Svenska" data-language-local-name="svedese" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%89%E0%AE%AF%E0%AE%BF%E0%AE%B0%E0%AF%8D%E0%AE%9A%E0%AF%8D%E0%AE%9A%E0%AE%A4%E0%AF%8D%E0%AE%A4%E0%AF%81_%E0%AE%AA%E0%AE%BF" title="உயிர்ச்சத்து பி - tamil" lang="ta" hreflang="ta" data-title="உயிர்ச்சத்து பி" data-language-autonym="தமிழ்" data-language-local-name="tamil" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/B_vitaminleri" title="B vitaminleri - turco" lang="tr" hreflang="tr" data-title="B vitaminleri" data-language-autonym="Türkçe" data-language-local-name="turco" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-ug mw-list-item"><a href="https://ug.wikipedia.org/wiki/%DB%8B%D9%89%D8%AA%D8%A7%D9%85%D9%89%D9%86B" title="ۋىتامىنB - uiguro" lang="ug" hreflang="ug" data-title="ۋىتامىنB" data-language-autonym="ئۇيغۇرچە / Uyghurche" data-language-local-name="uiguro" class="interlanguage-link-target"><span>ئۇيغۇرچە / Uyghurche</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%92%D1%96%D1%82%D0%B0%D0%BC%D1%96%D0%BD%D0%B8_%D0%B3%D1%80%D1%83%D0%BF%D0%B8_B" title="Вітаміни групи B - ucraino" lang="uk" hreflang="uk" data-title="Вітаміни групи B" data-language-autonym="Українська" data-language-local-name="ucraino" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-ur mw-list-item"><a href="https://ur.wikipedia.org/wiki/%D9%88%D9%B9%D8%A7%D9%85%D9%86_%D8%A8%DB%8C_%DA%A9%D9%85%D9%BE%D9%84%DB%8C%DA%A9%D8%B3" title="وٹامن بی کمپلیکس - urdu" lang="ur" hreflang="ur" data-title="وٹامن بی کمپلیکس" data-language-autonym="اردو" data-language-local-name="urdu" class="interlanguage-link-target"><span>اردو</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/B_vitaminlari" title="B vitaminlari - uzbeco" lang="uz" hreflang="uz" data-title="B vitaminlari" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="uzbeco" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/Vitamin_B" title="Vitamin B - vietnamita" lang="vi" hreflang="vi" data-title="Vitamin B" data-language-autonym="Tiếng Việt" data-language-local-name="vietnamita" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-wuu mw-list-item"><a href="https://wuu.wikipedia.org/wiki/%E7%BB%B4%E7%94%9F%E7%B4%A0B" title="维生素B - wu" lang="wuu" hreflang="wuu" data-title="维生素B" data-language-autonym="吴语" data-language-local-name="wu" class="interlanguage-link-target"><span>吴语</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E7%BB%B4%E7%94%9F%E7%B4%A0B" title="维生素B - cinese" lang="zh" hreflang="zh" data-title="维生素B" data-language-autonym="中文" data-language-local-name="cinese" 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.mbox-text-full-div>div{font-size:90%}.mw-parser-output .avviso .mbox-image{flex-basis:52px;flex-grow:0;flex-shrink:0}.mw-parser-output .avviso .mbox-text-full-div .hide-when-compact{display:block}</style><div style="" class="ambox metadata plainlinks avviso avviso-contenuto"> <div class="avviso-immagine mbox-image noprint"><span typeof="mw:File"><a href="/wiki/File:Question_book-4.svg" class="mw-file-description" title="Niente fonti!"><img alt="Niente fonti!" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/64/Question_book-4.svg/45px-Question_book-4.svg.png" decoding="async" width="45" height="35" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/64/Question_book-4.svg/68px-Question_book-4.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/64/Question_book-4.svg/90px-Question_book-4.svg.png 2x" data-file-width="262" data-file-height="204" /></a></span></div> <div class="avviso-testo mbox-text"> <div class="mbox-text-div"><b>Questa voce o sezione  sull'argomento biochimica <a href="/wiki/Wikipedia:Uso_delle_fonti" title="Wikipedia:Uso delle fonti">non cita le fonti necessarie</a> o quelle presenti sono insufficienti</b>. <div class="hide-when-compact"> <div class="noprint"><hr />Puoi <a class="external text" href="https://it.wikipedia.org/w/index.php?title=Vitamina_B&action=edit">migliorare questa voce</a> aggiungendo citazioni da <a href="/wiki/Wikipedia:Fonti_attendibili" title="Wikipedia:Fonti attendibili">fonti attendibili</a> secondo le <a href="/wiki/Wikipedia:Uso_delle_fonti" title="Wikipedia:Uso delle fonti">linee guida sull'uso delle fonti</a>. Segui i suggerimenti del <a href="/wiki/Progetto:Biochimica" class="mw-redirect" title="Progetto:Biochimica">progetto di riferimento</a>.</div> </div> </div> </div> </div> <p>Le <b>vitamine B</b> sono un gruppo di vitamine <b>idrosolubili</b> che intervengono nel <a href="/wiki/Metabolismo" title="Metabolismo">metabolismo</a> cellulare. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Le_funzioni_generiche">Le funzioni generiche</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Vitamina_B&veaction=edit&section=1" title="Modifica la sezione Le funzioni generiche" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Vitamina_B&action=edit&section=1" title="Edit section's source code: Le funzioni generiche"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Queste vitamine hanno proprietà molto utili all'organismo umano, infatti costituiscono un ruolo essenziale al normale funzionamento del sistema nervoso e al tono muscolare dell'area gastrointestinale. Inoltre sono fondamentali per i corretti processi di funzionamento della <a href="/wiki/Pelle" title="Pelle">cute</a> e dei <a href="/wiki/Capello" class="mw-redirect" title="Capello">capelli</a> e quindi anche per il <a href="/wiki/Cuoio_capelluto" title="Cuoio capelluto">cuoio capelluto</a>, per la <a href="/wiki/Bocca" title="Bocca">bocca</a> e gli <a href="/wiki/Occhio" title="Occhio">occhi</a> e per il corretto funzionamento del <a href="/wiki/Fegato" title="Fegato">fegato</a>. Concorrono inoltre, in veste di co-enzimi, nella trasformazione di carboidrati complessi in glucosio, utilizzato dall'organismo per produrre energia, e sono nevralgiche per il corretto metabolismo di <a href="/wiki/Lipidi" title="Lipidi">lipidi</a> e <a href="/wiki/Proteina" class="mw-redirect" title="Proteina">proteine</a>. Infine sono fondamentali per il corretto funzionamento e protezione del sistema nervoso periferico. </p> <div class="mw-heading mw-heading2"><h2 id="Sintomi_di_carenza_e_fattori_che_interferiscono_con_l'assunzione"><span id="Sintomi_di_carenza_e_fattori_che_interferiscono_con_l.27assunzione"></span>Sintomi di carenza e fattori che interferiscono con l'assunzione</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Vitamina_B&veaction=edit&section=2" title="Modifica la sezione Sintomi di carenza e fattori che interferiscono con l'assunzione" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Vitamina_B&action=edit&section=2" title="Edit section's source code: Sintomi di carenza e fattori che interferiscono con l'assunzione"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>La carenza di vitamine del gruppo B nell'organismo umano si manifesta con alcuni <a href="/wiki/Sintomo" title="Sintomo">sintomi</a>: i sintomi più evidenti sono secchezza o ruvidità della pelle e salute dei capelli, poiché la vitamina B è alla base del loro <a href="/wiki/Metabolismo" title="Metabolismo">metabolismo</a> energetico, altri sintomi possono essere mancanza d'appetito, <a href="/wiki/Stitichezza" title="Stitichezza">stitichezza</a>, <a href="/wiki/Insonnia" title="Insonnia">insonnia</a> e <a href="/wiki/Acne" title="Acne">acne</a>. Il loro assorbimento è condizionato da alcuni fattori alimentari e psicologici: infatti è ridotto in presenza di <a href="/wiki/Stress_(medicina)" class="mw-redirect" title="Stress (medicina)">stress</a> o dall'eccessivo consumo di alcuni alimenti quali <a href="/wiki/Caff%C3%A8" title="Caffè">caffè</a>, <a href="/wiki/Zucchero" class="mw-redirect" title="Zucchero">zucchero</a>, <a href="/wiki/Bevanda_alcolica" title="Bevanda alcolica">alcolici</a>, dall'utilizzo di alcuni medicinali quali <a href="/wiki/Sonnifero" class="mw-redirect" title="Sonnifero">sonniferi</a> o <a href="/wiki/Pillola_anticoncezionale" title="Pillola anticoncezionale">pillole anticoncezionali</a> o dai <a href="/wiki/Sulfamidici" title="Sulfamidici">sulfamidici</a> o in presenza di infezioni; invece l'assorbimento è favorito dalla presenza di altre vitamine, quali <a href="/wiki/Vitamina_C" class="mw-redirect" title="Vitamina C">C</a> ed <a href="/wiki/Vitamina_E" class="mw-redirect" title="Vitamina E">E</a>, nonché <a href="/wiki/Calcio_(metallo)" class="mw-redirect" title="Calcio (metallo)">calcio</a> e <a href="/wiki/Fosforo" title="Fosforo">fosforo</a>. </p> <div class="mw-heading mw-heading2"><h2 id="Le_vitamine_del_Gruppo_B">Le vitamine del Gruppo B</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Vitamina_B&veaction=edit&section=3" title="Modifica la sezione Le vitamine del Gruppo B" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Vitamina_B&action=edit&section=3" title="Edit section's source code: Le vitamine del Gruppo B"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Nei tempi passati si pensava che le vitamine B fossero una sola vitamina: ulteriori ricerche hanno dimostrato che sono diverse molecole che spesso si trovano insieme negli stessi alimenti. Attualmente sono considerate propriamente <i>vitamine</i> solo otto di queste. </p><p>Il <b>gruppo delle vitamine B</b> comprende: </p> <dl><dt>vitamine</dt></dl> <ul><li><b>B<sub>1</sub></b>: <a href="/wiki/Tiamina" title="Tiamina">Tiamina</a>, essa costituisce il coenzima <a href="/wiki/Tiamina_pirofosfato" title="Tiamina pirofosfato">TPP</a>, che è indispensabile per le reazioni di <a href="/wiki/Decarbossilazione" title="Decarbossilazione">decarbossilazione</a>. Si tratta di un composto molto solubile in acqua la cui molecola contiene, fra l'altro, <a href="/wiki/Zolfo" title="Zolfo">zolfo</a><sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup></li> <li><b>B<sub>2</sub></b>: <a href="/wiki/Riboflavina" title="Riboflavina">Riboflavina</a></li> <li><b>B<sub>3</sub></b>: <a href="/wiki/Niacina" title="Niacina">Niacina</a> o <a href="/wiki/Niacinamide" class="mw-redirect" title="Niacinamide">nicotinamide</a> (detti anche <i>vitamina PP</i>)</li> <li><b>B<sub>5</sub></b>: <a href="/wiki/Acido_pantotenico" title="Acido pantotenico">Acido pantotenico</a></li> <li><b>B<sub>6</sub></b>: <a href="/wiki/Vitamina_B6" title="Vitamina B6">Adesina</a> (<a href="/wiki/Piridossina" title="Piridossina">Piridossina</a>, <a href="/wiki/Piridossale" title="Piridossale">piridossale</a>, <a href="/wiki/Piridossamina" title="Piridossamina">piridossamina</a>) detta anche <i>vitamina Y</i></li> <li><b>B<sub>7</sub></b>: <a href="/wiki/Biotina" title="Biotina">Biotina</a> (in passato detta <b>B<sub>8</sub></b> nella nomenclatura francese) detta anche <i>vitamina H</i> (o talvolta <i>vitamina I</i>)</li> <li><b>B<sub>9</sub></b>: <a href="/wiki/Acido_folico" title="Acido folico">Acido folico</a> detto anche <i>vitamina M</i></li> <li><b>B<sub>12</sub></b>: <a href="/wiki/Cobalamina" title="Cobalamina">Cobalamina</a></li></ul> <dl><dt>non propriamente vitamine</dt></dl> <ul><li><b>B<sub>4</sub></b>: <a href="/wiki/Adenina" title="Adenina">Adenina</a> e <a href="/wiki/Colina" title="Colina">colina</a></li> <li><b>B<sub>8</sub></b>: <a href="/wiki/Mioinositolo" class="mw-redirect" title="Mioinositolo">Mioinositolo</a> o <a href="/wiki/Inositolo" title="Inositolo">Inositolo</a></li> <li><b>B<sub>10</sub></b>: <a href="/wiki/Acido_4-amminobenzoico" title="Acido 4-amminobenzoico">Acido paramminobenzoico</a> o <i>PABA</i></li> <li><b>B<sub>11</sub></b>: <a href="/wiki/Carnitina" title="Carnitina">Carnitina</a> e Acido pteroil-eptaglutammico</li> <li><b>B<sub>13</sub></b>: <a href="/wiki/Acido_orotico" title="Acido orotico">Acido orotico</a></li> <li><b>B<sub>14</sub></b>: <a href="/w/index.php?title=Pirrochinolina_chinone&action=edit&redlink=1" class="new" title="Pirrochinolina chinone (la pagina non esiste)">pirrochinolina chinone</a></li> <li class="mw-empty-elt"></li> <li><b>B<sub>15</sub></b>: <a href="/w/index.php?title=Acido_pangamico&action=edit&redlink=1" class="new" title="Acido pangamico (la pagina non esiste)">Acido pangamico</a></li> <li><b>B<sub>16</sub></b>: <a href="/w/index.php?title=Dimetilglicina&action=edit&redlink=1" class="new" title="Dimetilglicina (la pagina non esiste)">Dimetilglicina</a></li> <li><b>B<sub>17</sub></b>: <a href="/wiki/Amigdalina" title="Amigdalina">Amigdalina</a></li> <li class="mw-empty-elt"></li></ul> <div class="mw-heading mw-heading2"><h2 id="Fonti_di_vitamine_B">Fonti di vitamine B</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Vitamina_B&veaction=edit&section=4" title="Modifica la sezione Fonti di vitamine B" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Vitamina_B&action=edit&section=4" title="Edit section's source code: Fonti di vitamine B"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Si trovano in alimenti come il: </p> <ul><li><a href="/wiki/Saccharomyces_cerevisiae" title="Saccharomyces cerevisiae">lievito di birra</a></li> <li>il <a href="/wiki/Germe_(cereali)" title="Germe (cereali)">germe di grano</a></li> <li>nell'<a href="/wiki/Medicago_sativa" title="Medicago sativa">erba medica</a></li> <li>nell'<a href="/wiki/Urtica_dioica" title="Urtica dioica">ortica</a></li> <li>nella <a href="/wiki/Pappa_reale" title="Pappa reale">pappa reale</a></li> <li><a href="/wiki/Polline" title="Polline">polline</a></li> <li><a href="/wiki/Riso_integrale" title="Riso integrale">riso intero</a></li> <li><a href="/wiki/Grano" class="mw-redirect" title="Grano">grano intero</a></li> <li><a href="/wiki/Fabaceae" title="Fabaceae">legumi</a></li> <li><a href="/wiki/Nocciola" title="Nocciola">nocciole</a></li> <li><a href="/wiki/Mandorla" title="Mandorla">mandorle</a></li> <li><a href="/wiki/Noce_(frutto)" title="Noce (frutto)">noci</a></li> <li><a href="/wiki/Banana" title="Banana">banane</a></li> <li><a href="/wiki/Tuorlo" title="Tuorlo">tuorlo d'uovo</a></li> <li><a href="/wiki/Tagli_di_carne_suina" class="mw-redirect" title="Tagli di carne suina">carne di maiale</a></li> <li><a href="/wiki/Thunnus" title="Thunnus">tonno</a></li> <li><a href="/wiki/Ortaggio" title="Ortaggio">ortaggi verdi freschi</a></li> <li><a href="/wiki/Patata_(alimento)" title="Patata (alimento)">patate</a></li> <li><a href="/wiki/Linum_usitatissimum" title="Linum usitatissimum">semi di lino macinati</a></li> <li><a href="/wiki/Spirulina" title="Spirulina">alga spirulina</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="Note">Note</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Vitamina_B&veaction=edit&section=5" title="Modifica la sezione Note" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Vitamina_B&action=edit&section=5" title="Edit section's source code: Note"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><a href="#cite_ref-1"><b>^</b></a> <span class="reference-text"><cite class="citation libro" style="font-style:normal">(<span style="font-weight:bolder; font-size:80%"><abbr title="italiano">IT</abbr></span>) Sadava, Hillis e Heller, <span style="font-style:italic;">B1 LE BIOMOLECOLE: STRUTTURA E FUNZIONE, Lezione 2</span>, in <span style="font-style:italic;">Polimeri, biochimica e biotecnologie 2.0</span>, 2ª ed., 2021, p. 26.</cite></span> </li> </ol></div> <div class="mw-heading mw-heading2"><h2 id="Altri_progetti">Altri progetti</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Vitamina_B&veaction=edit&section=6" title="Modifica la sezione Altri progetti" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Vitamina_B&action=edit&section=6" title="Edit section's source code: Altri progetti"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <div id="interProject" class="toccolours" style="display: none; clear: both; margin-top: 2em"><p id="sisterProjects" style="background-color: #efefef; color: black; font-weight: bold; margin: 0"><span>Altri progetti</span></p><ul title="Collegamenti verso gli altri progetti Wikimedia"> <li class="" title=""><span class="plainlinks" title="commons:Category:B vitamins"><a class="external text" href="https://commons.wikimedia.org/wiki/Category:B_vitamins?uselang=it">Wikimedia Commons</a></span></li></ul></div> <ul><li><span typeof="mw:File"><a href="https://commons.wikimedia.org/wiki/?uselang=it" title="Collabora a Wikimedia Commons"><img alt="Collabora a Wikimedia Commons" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/18px-Commons-logo.svg.png" decoding="async" width="18" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/27px-Commons-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/36px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></a></span> <span class="plainlinks"><a class="external text" href="https://commons.wikimedia.org/wiki/?uselang=it">Wikimedia Commons</a></span> contiene immagini o altri file su <b><span class="plainlinks"><a class="external text" href="https://commons.wikimedia.org/wiki/Category:B_vitamins?uselang=it">vitamina B</a></span></b></li></ul> <style data-mw-deduplicate="TemplateStyles:r141815314">.mw-parser-output .navbox{border:1px solid #aaa;clear:both;margin:auto;padding:2px;width:100%}.mw-parser-output .navbox th{padding-left:1em;padding-right:1em;text-align:center}.mw-parser-output .navbox>tbody>tr:first-child>th{background:#ccf;font-size:90%;width:100%;color:var(--color-base,black)}.mw-parser-output .navbox_navbar{float:left;margin:0;padding:0 10px 0 0;text-align:left;width:6em}.mw-parser-output .navbox_title{font-size:110%}.mw-parser-output .navbox_abovebelow{background:#ddf;font-size:90%;font-weight:normal}.mw-parser-output .navbox_group{background:#ddf;font-size:90%;padding:0 10px;white-space:nowrap}.mw-parser-output .navbox_list{font-size:90%;width:100%}.mw-parser-output .navbox_list a{white-space:nowrap}html:not(.vector-feature-night-mode-enabled) .mw-parser-output .navbox_odd{background:#fdfdfd;color:var(--color-base,black)}html:not(.vector-feature-night-mode-enabled) .mw-parser-output .navbox_even{background:#f7f7f7;color:var(--color-base,black)}.mw-parser-output .navbox a.mw-selflink{color:var(--color-base,black)}.mw-parser-output .navbox_center{text-align:center}.mw-parser-output .navbox .navbox_image{padding-left:7px;vertical-align:middle;width:0}.mw-parser-output .navbox+.navbox{margin-top:-1px}.mw-parser-output .navbox .mw-collapsible-toggle{font-weight:normal;text-align:right;width:7em}body.skin--responsive .mw-parser-output .navbox_image img{max-width:none!important}.mw-parser-output .subnavbox{margin:-3px;width:100%}.mw-parser-output .subnavbox_group{background:#e6e6ff;padding:0 10px}@media screen{html.skin-theme-clientpref-night .mw-parser-output .navbox>tbody>tr:first-child>th{background:var(--background-color-interactive)!important}html.skin-theme-clientpref-night .mw-parser-output .navbox th{color:var(--color-base)!important}html.skin-theme-clientpref-night .mw-parser-output .navbox_abovebelow,html.skin-theme-clientpref-night .mw-parser-output .navbox_group{background:var(--background-color-interactive-subtle)!important}html.skin-theme-clientpref-night .mw-parser-output .subnavbox_group{background:var(--background-color-neutral-subtle)!important}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .navbox>tbody>tr:first-child>th{background:var(--background-color-interactive)!important}html.skin-theme-clientpref-os .mw-parser-output .navbox th{color:var(--color-base)!important}html.skin-theme-clientpref-os .mw-parser-output .navbox_abovebelow,html.skin-theme-clientpref-os .mw-parser-output .navbox_group{background:var(--background-color-interactive-subtle)!important}html.skin-theme-clientpref-os .mw-parser-output .subnavbox_group{background:var(--background-color-neutral-subtle)!important}}</style><table class="navbox mw-collapsible mw-collapsed noprint metadata" id="navbox-Vitamine"><tbody><tr><th colspan="2"><div class="navbox_navbar"><div class="noprint plainlinks" style="background-color:transparent; padding:0; font-size:xx-small; color:var(--color-base, #000000); white-space:nowrap;"><a href="/wiki/Template:Vitamine" title="Template:Vitamine"><span title="Vai alla pagina del template">V</span></a> · <a href="/w/index.php?title=Discussioni_template:Vitamine&action=edit&redlink=1" class="new" title="Discussioni template:Vitamine (la pagina non esiste)"><span title="Discuti del template">D</span></a> · <a class="external text" href="https://it.wikipedia.org/w/index.php?title=Template:Vitamine&action=edit"><span title="Modifica il template. Usa l'anteprima prima di salvare">M</span></a></div></div><span class="navbox_title"><a href="/wiki/Vitamine" title="Vitamine">Vitamine</a></span></th></tr><tr><th colspan="1" class="navbox_group">Solubili in grasso</th><td colspan="1" class="navbox_list navbox_odd"><table class="subnavbox"><tbody><tr><th class="subnavbox_group"><a href="/wiki/Vitamina_A" class="mw-redirect" title="Vitamina A">A</a></th><td colspan="1"><a href="/wiki/Acido_retinoico" title="Acido retinoico">Acido retinoico</a><b> ·</b> <a href="/wiki/Carotene" title="Carotene">Carotene</a> (<a href="/w/index.php?title=Alfa-carotene&action=edit&redlink=1" class="new" title="Alfa-carotene (la pagina non esiste)">Alfa</a><b> ·</b> <a href="/wiki/Beta-carotene" title="Beta-carotene">Beta</a><b> ·</b> <a href="/w/index.php?title=Gamma-carotene&action=edit&redlink=1" class="new" title="Gamma-carotene (la pagina non esiste)">Gamma</a><b> ·</b> <a href="/w/index.php?title=Delta-carotene&action=edit&redlink=1" class="new" title="Delta-carotene (la pagina non esiste)">Delta</a>)<b> ·</b> <a href="/wiki/Retinale" title="Retinale">Retinale</a><b> ·</b> <a href="/wiki/Retinolo" title="Retinolo">Retinolo</a></td></tr><tr><th class="subnavbox_group"><a href="/wiki/Vitamina_D" title="Vitamina D">D</a></th><td colspan="1">D<sub>2</sub> (<a href="/wiki/Ergosterolo" title="Ergosterolo">Ergosterolo</a><b> ·</b> <a href="/wiki/Ergocalciferolo" title="Ergocalciferolo">Ergocalciferolo</a>)<b> ·</b> D<sub>3</sub> (<a href="/wiki/7-deidrocolesterolo" title="7-deidrocolesterolo">7-deidrocolesterolo</a><b> ·</b> <a href="/wiki/Acido_calcitroico" title="Acido calcitroico">Acido calcitroico</a><b> ·</b> <a href="/wiki/Calcidiolo" title="Calcidiolo">Calcidiolo</a><b> ·</b> <a href="/wiki/Calcitriolo" title="Calcitriolo">Calcitriolo</a><b> ·</b> <a href="/wiki/Colecalciferolo" title="Colecalciferolo">Colecalciferolo</a><b> ·</b> <a href="/w/index.php?title=Previtamina_D3&action=edit&redlink=1" class="new" title="Previtamina D3 (la pagina non esiste)">Previtamina D<sub>3</sub></a>)<b> ·</b> D<sub>4</sub> (<a href="/w/index.php?title=22-deidroergocalciferolo&action=edit&redlink=1" class="new" title="22-deidroergocalciferolo (la pagina non esiste)">22-deidroergocalciferolo</a>)<b> ·</b> <a href="/wiki/Vitamina_D5" title="Vitamina D5">D<sub>5</sub></a><b> ·</b> Altri analoghi (<a href="/wiki/Alfacalcidolo" title="Alfacalcidolo">Alfacalcidolo</a><b> ·</b> <a href="/wiki/Diidrotachisterolo" title="Diidrotachisterolo">Diidrotachisterolo</a><b> ·</b> <a href="/wiki/Calcipotriolo" title="Calcipotriolo">Calcipotriolo</a><b> ·</b> <a href="/wiki/Tacalcitolo" title="Tacalcitolo">Tacalcitolo</a><b> ·</b> <a href="/w/index.php?title=Paricalcitolo&action=edit&redlink=1" class="new" title="Paricalcitolo (la pagina non esiste)">Paricalcitolo</a>)</td></tr><tr><th class="subnavbox_group"><a href="/wiki/Vitamina_E" class="mw-redirect" title="Vitamina E">E</a></th><td colspan="1"><a href="/wiki/Tocoferolo" title="Tocoferolo">Tocoferolo</a> (<a href="/w/index.php?title=Alfa-tocoferolo&action=edit&redlink=1" class="new" title="Alfa-tocoferolo (la pagina non esiste)">Alfa</a><b> ·</b> <a href="/w/index.php?title=Beta-tocoferolo&action=edit&redlink=1" class="new" title="Beta-tocoferolo (la pagina non esiste)">Beta</a><b> ·</b> <a href="/w/index.php?title=Gamma-tocoferolo&action=edit&redlink=1" class="new" title="Gamma-tocoferolo (la pagina non esiste)">Gamma</a><b> ·</b> <a href="/w/index.php?title=Delta-tocoferolo&action=edit&redlink=1" class="new" title="Delta-tocoferolo (la pagina non esiste)">Delta</a>)<b> ·</b> <a href="/w/index.php?title=Tocotrienolo&action=edit&redlink=1" class="new" title="Tocotrienolo (la pagina non esiste)">Tocotrienolo</a> (<a href="/w/index.php?title=Alfa-tocotrienolo&action=edit&redlink=1" class="new" title="Alfa-tocotrienolo (la pagina non esiste)">Alfa</a><b> ·</b> <a href="/w/index.php?title=Beta-tocotrienolo&action=edit&redlink=1" class="new" title="Beta-tocotrienolo (la pagina non esiste)">Beta</a><b> ·</b> <a href="/w/index.php?title=Gamma-tocotrienolo&action=edit&redlink=1" class="new" title="Gamma-tocotrienolo (la pagina non esiste)">Gamma</a><b> ·</b> <a href="/w/index.php?title=Delta-tocotrienolo&action=edit&redlink=1" class="new" title="Delta-tocotrienolo (la pagina non esiste)">Delta</a>)<b> ·</b> <a href="/w/index.php?title=Tocofersolan&action=edit&redlink=1" class="new" title="Tocofersolan (la pagina non esiste)">Tocofersolan</a></td></tr><tr><th class="subnavbox_group"><a href="/wiki/Vitamina_K" title="Vitamina K">K</a></th><td colspan="1"><a href="/wiki/Naftochinone" title="Naftochinone">Naftochinone</a><b> ·</b> K<sub>1</sub> (<a href="/wiki/Fitomenadione" title="Fitomenadione">Fitomenadione</a>)<b> ·</b> K<sub>2</sub> (<a href="/w/index.php?title=Menachinone&action=edit&redlink=1" class="new" title="Menachinone (la pagina non esiste)">Menachinone</a>)<b> ·</b> K<sub>3</sub> (<a href="/w/index.php?title=Menadione&action=edit&redlink=1" class="new" title="Menadione (la pagina non esiste)">Menadione</a>)<b> ·</b> K<sub>4</sub><b> ·</b> K<sub>5</sub> (<a href="/w/index.php?title=4-amino-2-metil-1-naftol&action=edit&redlink=1" class="new" title="4-amino-2-metil-1-naftol (la pagina non esiste)">4-amino-2-metil-1-naftol</a>)<b> ·</b> K<sub>6</sub> (<a href="/w/index.php?title=2-metilnaftalene-1,4-diamine&action=edit&redlink=1" class="new" title="2-metilnaftalene-1,4-diamine (la pagina non esiste)">2-metilnaftalene-1,4-diamine</a>)<b> ·</b> K<sub>7</sub> (<a href="/w/index.php?title=4-amino-3-metil-1-naftol&action=edit&redlink=1" class="new" title="4-amino-3-metil-1-naftol (la pagina non esiste)">4-amino-3-metil-1-naftol</a>)</td></tr></tbody></table></td></tr><tr><th colspan="1" class="navbox_group">Solubili in acqua</th><td colspan="1" class="navbox_list navbox_even"><table class="subnavbox"><tbody><tr><th class="subnavbox_group"><a class="mw-selflink selflink">B</a></th><td colspan="1">B<sub>1</sub> (<a href="/wiki/Tiamina" title="Tiamina">Tiamina</a><b> ·</b> <a href="/w/index.php?title=Acefurtiamina&action=edit&redlink=1" class="new" title="Acefurtiamina (la pagina non esiste)">Acefurtiamina</a><b> ·</b> <a href="/w/index.php?title=Allitiamina&action=edit&redlink=1" class="new" title="Allitiamina (la pagina non esiste)">Allitiamina</a><b> ·</b> <a href="/w/index.php?title=Fursultiamina&action=edit&redlink=1" class="new" title="Fursultiamina (la pagina non esiste)">Fursultiamina</a><b> ·</b> <a href="/w/index.php?title=Octotiamina&action=edit&redlink=1" class="new" title="Octotiamina (la pagina non esiste)">Octotiamina</a><b> ·</b> <a href="/w/index.php?title=Prosultiamina&action=edit&redlink=1" class="new" title="Prosultiamina (la pagina non esiste)">Prosultiamina</a><b> ·</b> <a href="/w/index.php?title=Sulbutiamina&action=edit&redlink=1" class="new" title="Sulbutiamina (la pagina non esiste)">Sulbutiamina</a>)<b> ·</b> B<sub>2</sub> (<a href="/wiki/Riboflavina" title="Riboflavina">Riboflavina</a>)<b> ·</b> B<sub>3</sub> (<a href="/wiki/Niacina" title="Niacina">Niacina</a><b> ·</b> <a href="/wiki/Nicotinamide" title="Nicotinamide">Nicotinamide</a>)<b> ·</b> B<sub>5</sub> (<a href="/wiki/Acido_pantotenico" title="Acido pantotenico">Acido pantotenico</a><b> ·</b> <a href="/wiki/Pantenolo" class="mw-redirect" title="Pantenolo">Pantenolo</a><b> ·</b> <a href="/w/index.php?title=Pantetina&action=edit&redlink=1" class="new" title="Pantetina (la pagina non esiste)">Pantetina</a>)<b> ·</b> <a href="/wiki/Vitamina_B6" title="Vitamina B6">B<sub>6</sub></a> (<a href="/wiki/Piridossale" title="Piridossale">Piridossale</a><b> ·</b> <a href="/wiki/Piridossina" title="Piridossina">Piridossina</a><b> ·</b> <a href="/wiki/Piridossalfosfato" title="Piridossalfosfato">Piridossalfosfato</a><b> ·</b> <a href="/wiki/Piridossamina" title="Piridossamina">Piridossamina</a><b> ·</b> <a href="/w/index.php?title=Piritinolo&action=edit&redlink=1" class="new" title="Piritinolo (la pagina non esiste)">Piritinolo</a>)<b> ·</b> B<sub>7</sub> (<a href="/wiki/Biotina" title="Biotina">Biotina</a>)<b> ·</b> B<sub>9</sub> (<a href="/wiki/Acido_folico" title="Acido folico">Acido folico</a><b> ·</b> <a href="/wiki/Acido_diidrofolico" title="Acido diidrofolico">Acido diidrofolico</a><b> ·</b> <a href="/wiki/Acido_folinico" title="Acido folinico">Acido folinico</a><b> ·</b> <a href="/wiki/Acido_5-metiltetraidrofolico" title="Acido 5-metiltetraidrofolico">Acido 5-metiltetraidrofolico</a>)<b> ·</b> B<sub>12</sub> (<a href="/wiki/Cobalamina" title="Cobalamina">Cobalamina</a><b> ·</b> <a href="/wiki/Cobamamide" title="Cobamamide">Cobamamide</a><b> ·</b> <a href="/wiki/Cianocobalamina" class="mw-redirect" title="Cianocobalamina">Cianocobalamina</a><b> ·</b> <a href="/w/index.php?title=Idrossocobalamina&action=edit&redlink=1" class="new" title="Idrossocobalamina (la pagina non esiste)">Idrossocobalamina</a><b> ·</b> <a href="/w/index.php?title=Metilcobalamina&action=edit&redlink=1" class="new" title="Metilcobalamina (la pagina non esiste)">Metilcobalamina</a>)</td></tr><tr><th class="subnavbox_group"><a href="/wiki/Vitamina_C" class="mw-redirect" title="Vitamina C">C</a></th><td colspan="1"><a href="/wiki/Acido_ascorbico" title="Acido ascorbico">Acido ascorbico</a><b> ·</b> <a href="/w/index.php?title=Acido_deidroascorbico&action=edit&redlink=1" class="new" title="Acido deidroascorbico (la pagina non esiste)">Acido deidroascorbico</a><b> ·</b> <a href="/wiki/Ascorbato_di_sodio" title="Ascorbato di sodio">Ascorbato di sodio</a></td></tr></tbody></table></td></tr></tbody></table> <style data-mw-deduplicate="TemplateStyles:r140554510">.mw-parser-output .CdA{border:1px solid #aaa;width:100%;margin:auto;font-size:90%;padding:2px}.mw-parser-output .CdA th{background-color:#f2f2f2;font-weight:bold;width:20%}@media screen{html.skin-theme-clientpref-night .mw-parser-output .CdA{border-color:#54595D}html.skin-theme-clientpref-night .mw-parser-output .CdA th{background-color:#202122}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .CdA{border-color:#54595D}html.skin-theme-clientpref-os .mw-parser-output .CdA th{background-color:#202122}}</style><table class="CdA"><tbody><tr><th><a href="/wiki/Aiuto:Controllo_di_autorit%C3%A0" title="Aiuto:Controllo di autorità">Controllo di autorità</a></th><td><a href="/wiki/Nuovo_soggettario" title="Nuovo soggettario">Thesaurus BNCF</a> <span class="uid"><a rel="nofollow" class="external text" href="https://thes.bncf.firenze.sbn.it/termine.php?id=46412">46412</a></span><span style="font-weight:bold;"> ·</span> <a href="/wiki/Library_of_Congress_Control_Number" title="Library of Congress Control Number">LCCN</a> <span class="uid">(<span style="font-weight:bolder; font-size:80%"><abbr title="inglese">EN</abbr></span>) <a rel="nofollow" class="external text" href="http://id.loc.gov/authorities/subjects/sh85143958">sh85143958</a></span><span style="font-weight:bold;"> ·</span> <a href="/wiki/Biblioteca_nazionale_di_Francia" title="Biblioteca nazionale di Francia">BNF</a> <span class="uid">(<span style="font-weight:bolder; font-size:80%"><abbr title="francese">FR</abbr></span>) <a rel="nofollow" class="external text" href="https://catalogue.bnf.fr/ark:/12148/cb120987245">cb120987245</a> <a rel="nofollow" class="external text" href="https://data.bnf.fr/ark:/12148/cb120987245">(data)</a></span><span style="font-weight:bold;"> ·</span> <a href="/wiki/Biblioteca_nazionale_di_Israele" title="Biblioteca nazionale di Israele">J9U</a> <span class="uid">(<span style="font-weight:bolder; font-size:80%"><abbr title="inglese">EN</abbr>, <abbr title="ebraico">HE</abbr></span>) <a rel="nofollow" class="external text" href="http://olduli.nli.org.il/F/?func=find-b&local_base=NLX10&find_code=UID&request=987007543710505171">987007543710505171</a></span><span style="font-weight:bold;"> ·</span> <a href="/wiki/Biblioteca_della_Dieta_nazionale_del_Giappone" title="Biblioteca della Dieta nazionale del Giappone">NDL</a> <span class="uid">(<span style="font-weight:bolder; font-size:80%"><abbr title="inglese">EN</abbr>, <abbr title="giapponese">JA</abbr></span>) <a rel="nofollow" class="external text" href="https://id.ndl.go.jp/auth/ndlna/00576106">00576106</a></span></td></tr></tbody></table> <div class="noprint" style="width:100%; padding: 3px 0; display: flex; flex-wrap: wrap; row-gap: 4px; column-gap: 8px; box-sizing: border-box;"><div style="flex-basis: calc( 100% / 3 - 8px * 2/3 );"><style data-mw-deduplicate="TemplateStyles:r140555418">.mw-parser-output .itwiki-template-occhiello{width:100%;line-height:25px;border:1px solid #CCF;background-color:#F0EEFF;box-sizing:border-box}.mw-parser-output .itwiki-template-occhiello-progetto{background-color:#FAFAFA}@media screen{html.skin-theme-clientpref-night .mw-parser-output .itwiki-template-occhiello{background-color:#202122;border-color:#54595D}html.skin-theme-clientpref-night .mw-parser-output .itwiki-template-occhiello-progetto{background-color:#282929}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .itwiki-template-occhiello{background-color:#202122;border-color:#54595D}html.skin-theme-clientpref-os .mw-parser-output .itwiki-template-occhiello-progetto{background-color:#282929}}</style><div class="itwiki-template-occhiello"><span class="noviewer" typeof="mw:File"><a href="/wiki/File:DNA.png" class="mw-file-description" title="Biologia"><img alt=" " src="//upload.wikimedia.org/wikipedia/commons/thumb/4/47/DNA.png/24px-DNA.png" decoding="async" width="24" height="25" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/47/DNA.png/36px-DNA.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/47/DNA.png/47px-DNA.png 2x" data-file-width="298" data-file-height="314" /></a></span> <b><a href="/wiki/Portale:Biologia" title="Portale:Biologia">Portale Biologia</a></b></div></div><div style="flex-basis: calc( 100% / 3 - 8px * 2/3 );"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r140555418"><div class="itwiki-template-occhiello"><span class="noviewer" typeof="mw:File"><a href="/wiki/File:Gnome-applications-science.svg" class="mw-file-description" title="Chimica"><img alt=" " src="//upload.wikimedia.org/wikipedia/commons/thumb/2/2e/Gnome-applications-science.svg/25px-Gnome-applications-science.svg.png" decoding="async" width="25" height="25" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/2e/Gnome-applications-science.svg/38px-Gnome-applications-science.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/2e/Gnome-applications-science.svg/50px-Gnome-applications-science.svg.png 2x" data-file-width="48" data-file-height="48" /></a></span> <b><a href="/wiki/Portale:Chimica" title="Portale:Chimica">Portale Chimica</a></b></div></div><div style="flex-basis: calc( 100% / 3 - 8px * 2/3 );"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r140555418"><div class="itwiki-template-occhiello"><span class="noviewer" typeof="mw:File"><a href="/wiki/File:Asclepius_staff.svg" class="mw-file-description" title="Medicina"><img alt=" " src="//upload.wikimedia.org/wikipedia/commons/thumb/1/19/Asclepius_staff.svg/13px-Asclepius_staff.svg.png" decoding="async" width="13" height="25" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/1/19/Asclepius_staff.svg/19px-Asclepius_staff.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/1/19/Asclepius_staff.svg/25px-Asclepius_staff.svg.png 2x" data-file-width="512" data-file-height="995" /></a></span> <b><a href="/wiki/Portale:Medicina" title="Portale:Medicina">Portale Medicina</a></b></div></div></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Estratto da "<a dir="ltr" href="https://it.wikipedia.org/w/index.php?title=Vitamina_B&oldid=137991247">https://it.wikipedia.org/w/index.php?title=Vitamina_B&oldid=137991247</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Categoria:Categorie" title="Categoria:Categorie">Categoria</a>: <ul><li><a href="/wiki/Categoria:Vitamina_B" title="Categoria:Vitamina B">Vitamina B</a></li></ul></div><div id="mw-hidden-catlinks" class="mw-hidden-catlinks mw-hidden-cats-hidden">Categorie nascoste: <ul><li><a href="/wiki/Categoria:Senza_fonti_-_biochimica" title="Categoria:Senza fonti - biochimica">Senza fonti - biochimica</a></li><li><a href="/wiki/Categoria:Senza_fonti_-_settembre_2013" 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