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...Mini review adv res gastroentero hepatol volume issue july copyright all rights are reserved by stewart rose doi argh ensuring adequate vitamin b status on a plant based diet d and amanda j strombom diets in medicine usa submission june published corresponding author se th st bellevue wa abstract is water soluble naturally occurring produced bacteria the soil animals ingest these along with their feed resulting presence animal derived foods it also added to other as an enrichment available dietary supplement since patients eat no only cleaned of residue they must rely supplementation or fortified typically assessed via serum plasma levels injected appears be equivalent oral but there evidence that sublingual delivery offers any advantage over preparations has been demonstrated safe doses up times recommended allowance pregnancy vital have deficiency characterized megaloblastic anemia fatigue weakness constipation loss appetite weight neurological changes such numbness tingling hands fe...