Vitamin E DeficiencyVitamin B 12 DeficiencyVitamin B 6Vitamin AVitaminsVitamin DVitamin EVitamin A DeficiencyVitamin B 12Vitamin B ComplexVitamin D DeficiencyPyridoxineVitamin B DeficiencyTranscobalaminsFolic AcidCobalt IsotopesVitamin K 1Folic Acid DeficiencyVitamin B 6 DeficiencyVitamin K DeficiencyDietary SupplementsAscorbic AcidAnemia, PerniciousMethylmalonic AcidCholecalciferolPyridoxal PhosphateThiamineRiboflavinIntrinsic FactorDeficiency DiseasesAnemia, MegaloblasticHydroxocobalaminAnemia, MacrocyticPyridoxic AcidDietAvitaminosisReceptors, CalcitriolVitamin D-Binding ProteinThiamine DeficiencyPyridoxalMalabsorption SyndromesHyperhomocysteinemiaalpha 1-Antitrypsin DeficiencyNutritional StatusPyridoxal KinaseVitamin K 2Schilling TestCobamidesNutritional RequirementsCalcitriolCalcifediolIgA DeficiencyAnemia, Iron-DeficiencyAntioxidantsLiverVitamin K Deficiency BleedingCobalt RadioisotopesErgocalciferolsRiboflavin DeficiencyEuglenaFood, FortifiedRicketsGlucosephosphate Dehydrogenase DeficiencyPyridoxamineIronVitamin K 3Mice, KnockoutBhutanSunlightPantothenic AcidMagnesium DeficiencyMutationbeta CaroteneMethylenetetrahydrofolate Reductase (NADPH2)MethionineMicronutrientsAscorbic Acid DeficiencyMetabolism, Inborn ErrorsCorrinoidsPregnancyIntestinal Absorption