Vitamin DVitamin D DeficiencyVitamin AVitaminsCholecalciferolVitamin EVitamin B 12Receptors, CalcitriolVitamin A DeficiencyCalcifediolCalcitriolErgocalciferolsDietary SupplementsVitamin D-Binding ProteinVitamin K 1SunlightVitamin B 6Vitamin E DeficiencyRicketsVitamin B 12 Deficiency25-Hydroxyvitamin D3 1-alpha-HydroxylaseHydroxycholecalciferolsVitamin K DeficiencyParathyroid Hormone25-Hydroxyvitamin D 2Vitamin B 6 DeficiencyVitamin D Response ElementAscorbic AcidDihydroxycholecalciferolsCalcium, Dietary24,25-Dihydroxyvitamin D 3Cholestanetriol 26-MonooxygenaseDietProtein BiosynthesisCalciumRNA, MessengerSteroid HydroxylasesVitamin K 2PyridoxineOsteomalaciaKineticsNutritional StatusBone Density Conservation AgentsCells, CulturedBone and BonesStereoisomerismMolecular Sequence DataLiverPhosphorusSeasonsProtein Synthesis InhibitorsMolecular StructureBone DensityAvitaminosisNutritional RequirementsTime FactorsDNAVitamin B DeficiencyDose-Response Relationship, DrugCell LineBase SequenceFood, FortifiedAntioxidantsFolic AcidHypocalcemiaVitamin K 3TritiumEscherichia coliHyperparathyroidism, SecondaryMutationTranscription, GeneticCycloheximideNutrition PolicyHypercalcemiaRisk FactorsOsteoporosisPhosphatesChromatography, High Pressure LiquidVitamin K Deficiency BleedingSkin PigmentationDNA Replicationalpha-TocopherolIntestinal AbsorptionCyclizationbeta CaroteneGene Expression RegulationPregnancyDouble-Blind MethodOsteocalcinCarbon IsotopesCell DivisionLeucineAmino Acid SequenceUltraviolet RaysRNABiological MarkersAlkaline PhosphataseDactinomycinKidneyRats, Inbred Strains