Vitamin AVitaminsVitamin DVitamin EVitamin B 12Vitamin A DeficiencyVitamin D DeficiencyVitamin K 1Vitamin B 6Vitamin E DeficiencyVitamin B 12 DeficiencyVitamin K DeficiencyVitamin B 6 DeficiencyCholecalciferolAscorbic AcidDietary SupplementsReceptors, CalcitriolVitamin D-Binding ProteinPyridoxineVitamin K 2CalcifediolCalcitriolVitamin B DeficiencyErgocalciferolsVitamin K 3AntioxidantsDietVitamin K Deficiency BleedingFolic AcidAvitaminosisRicketsSunlightNutritional Statusalpha-Tocopherolbeta CaroteneSodium-Coupled Vitamin C Transporters25-Hydroxyvitamin D3 1-alpha-HydroxylaseVitamin K Epoxide ReductasesHydroxycholecalciferolsHomocysteineTranscobalaminsTocopherolsNutritional RequirementsFood, Fortified25-Hydroxyvitamin D 2Parathyroid HormoneMethylmalonic AcidVitamin D Response ElementCarbon-Carbon LigasesDihydroxycholecalciferolsCarotenoidsCalcium, DietaryRiboflavinPyridoxal PhosphateXerophthalmiaHypervitaminosis A24,25-Dihydroxyvitamin D 3Pyridoxic AcidThiamineLiverFolic Acid DeficiencyDouble-Blind MethodMineralsCobalt IsotopesRetinol-Binding ProteinsMicronutrientsSeleniumCalciumNutrition PolicyCholestanetriol 26-MonooxygenaseBone and BonesPyridoxalDose-Response Relationship, DrugIntestinal AbsorptionRisk FactorsOsteomalaciaPregnancyAdministration, Oralgamma-TocopherolLipid PeroxidationBone Density Conservation AgentsOxidative StressSeasonsTocotrienolsBone DensityOsteocalcinChromatography, High Pressure LiquidTretinoinPhosphorusPantothenic AcidRetinol-Binding Proteins, PlasmaBody WeightHyperhomocysteinemiaMilk, HumanBiological MarkersAnemia, PerniciousBiological AvailabilityDehydroascorbic AcidL-Gulonolactone OxidaseMalabsorption Syndromes