{"id":581,"date":"2026-10-25T12:13:32","date_gmt":"2026-10-25T11:13:32","guid":{"rendered":"https:\/\/purvival.com\/journal\/?post_type=bw_ingredient&#038;p=581"},"modified":"2026-10-25T22:28:22","modified_gmt":"2026-10-25T21:28:22","slug":"vitamine-b12","status":"publish","type":"bw_ingredient","link":"https:\/\/purvival.com\/journal\/ingredients\/vitamine-b12\/","title":{"rendered":"Vitamine B12"},"content":{"rendered":"<h2>Ce que c\u2019est<\/h2>\n<p>La vitamine B12, ou cobalamine, est fabriqu\u00e9e par des bact\u00e9ries. Dans l\u2019alimentation, elle vient presque uniquement des produits animaux : abats, fruits de mer, poissons, viandes, \u0153ufs et produits laitiers (<a href=\"https:\/\/ciqual.anses.fr\/\">table de composition Ciqual de l\u2019Anses<\/a>). Les aliments v\u00e9g\u00e9taux n\u2019en contiennent pratiquement pas.<\/p>\n<p><a href=\"https:\/\/doi.org\/10.2903\/j.efsa.2015.4150\">L\u2019Autorit\u00e9 europ\u00e9enne de s\u00e9curit\u00e9 des aliments<\/a> retient 4 \u00b5g par jour pour un adulte, 4,5 \u00b5g pendant la grossesse et 5 \u00b5g pendant l\u2019allaitement. Les apports moyens observ\u00e9s chez les adultes de plusieurs pays europ\u00e9ens vont de 4,2 \u00e0 8,6 \u00b5g par jour.<\/p>\n<p>Nutricor en contient, sous forme de m\u00e9thylcobalamine, parmi les 20 nutriments de sa formule.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Vitamine du groupe B, ou cobalamine, que l\u2019on trouve presque uniquement dans les aliments d\u2019origine animale.<\/p>\n","protected":false},"featured_media":2808,"template":"","meta":{"_bw_latin":"","_bw_synonyms":"m\u00e9thylcobalamine","_bw_brand":"","_bw_precautions":"","_bw_subtitle":"cobalamine","_bw_studies_intro":"","_bw_mention":"","_bw_studies":[],"_bw_documents":[],"_bw_claims":["La vitamine B12 contribue \u00e0 r\u00e9duire la fatigue","La vitamine B12 contribue \u00e0 la formation normale de globules rouges","La vitamine B12 contribue au fonctionnement normal du syst\u00e8me nerveux","La vitamine B12 contribue au fonctionnement normal du syst\u00e8me immunitaire"],"_bw_logo":0,"_bw_logo_dark":false},"class_list":["post-581","bw_ingredient","type-bw_ingredient","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - 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