Food, FortifiedVitamin B 12 DeficiencyVitamin B 6Vitamin AFolic AcidVitaminsVitamin B ComplexVitamin DVitamin B 12Vitamin A DeficiencyFlourVitamin ENeural Tube DefectsBreadVitamin D DeficiencyFolic Acid DeficiencyDietary SupplementsPyridoxineAnemia, Iron-DeficiencyVitamin B DeficiencyTranscobalaminsNutrition PolicyCondimentsVitamin E DeficiencyCerealsIron, DietaryMicronutrientsNutritional StatusCobalt IsotopesVitamin K 1Nutritional RequirementsDietAscorbic AcidVitamin B 6 DeficiencyIronMethylmalonic AcidVitamin K DeficiencyHomocysteineCholecalciferolAnemia, MacrocyticThiamineBiological AvailabilityRiboflavinAnemia, HypochromicDeficiency DiseasesHyperhomocysteinemiaAnemia, PerniciousIodinePyridoxal PhosphateIntrinsic FactorAnemia, MegaloblasticIntestinal AbsorptionFerrous CompoundsHemoglobinsPregnancyHydroxocobalaminGuatemalaPellagraIron CompoundsPyridoxic AcidInfant FoodInfant Nutritional Physiological PhenomenaAvitaminosisCalcifediolNutrition SurveysReceptors, CalcitriolHomocystineVitamin D-Binding ProteinThiamine DeficiencyZincFerritinsTetrahydrofolatesMethylenetetrahydrofolate Reductase (NADPH2)PyridoxalMalabsorption SyndromesErgocalciferolsalpha 1-Antitrypsin DeficiencyAbsorptionFerric CompoundsMineralsMilk, HumanErythrocytesSpinal DysraphismInfant, NewbornPyridoxal KinaseFood AnalysisDouble-Blind MethodXerophthalmiaSunlightTriticumVitamin K 2Phytic AcidSchilling TestNutritive ValuePrevalenceErythrocyte IndicesIron IsotopesCobamidesFood TechnologyCalcitriol