CorrinoidsMethanosarcina barkeriVitamin B 12Vitamin AVitaminsVitamin DVitamin ECobamidesVitamin A DeficiencyMethyltransferasesVitamin D DeficiencyLactobacillus reuteriHydrocarbons, IodinatedOxidoreductases, O-DemethylatingMesnaDimethylaminesMethanosarcinaDesulfitobacteriumVitamin K 1MethylaminesVitamin B 6Vitamin E DeficiencyAcetyl Coenzyme AVitamin B 12 DeficiencyDithioerythritolMethyl ChlorideClostridiumAldehyde OxidoreductasesPorphyrinsVitamin K DeficiencyVitamin B 6 DeficiencyCholecalciferolChloroflexiAscorbic AcidAcetatesCobaltIron-Sulfur ProteinsTetrachloroethyleneArchaeal ProteinsTetrahydrofolatesDietary SupplementsEuryarchaeotaAlkyl and Aryl TransferasesReceptors, CalcitriolVitamin D-Binding ProteinMethanobacteriumMethylationMethanolPeptococcaceaeAcetobacterPyridoxineAcetate-CoA LigaseVitamin K 2Bacterial ProteinsMultienzyme ComplexesCalcifediolCalcitriolPterinsBacteria, AnaerobicVitamin B DeficiencyErgocalciferolsVitamin K 3AntioxidantsDietElectron Spin Resonance SpectroscopyVitamin K Deficiency BleedingFolic AcidMetalloproteinsMolecular Sequence DataAvitaminosisCarbon MonoxideRicketsSunlightAmino Acid SequenceChromatography, High Pressure LiquidSpectrophotometry, UltravioletNutritional Statusalpha-TocopherolOxidation-Reductionbeta CaroteneCatalysisSpectrophotometryKineticsSodium-Coupled Vitamin C Transporters25-Hydroxyvitamin D3 1-alpha-HydroxylaseVitamin K Epoxide ReductasesHydroxycholecalciferolsCloning, MolecularHomocysteineTranscobalaminsTocopherolsGenes, BacterialNutritional RequirementsFood, Fortified25-Hydroxyvitamin D 2Parathyroid HormoneMethylmalonic AcidBinding SitesSpectrum AnalysisVitamin D Response Element