Vitamin DDietary SupplementsVitamin D DeficiencyVitaminsCalcifediolCholecalciferolErgocalciferolsRicketsCalcium, DietaryHydroxycholecalciferolsSunlightVitamin AHypocalcemiaBone Density Conservation AgentsParathyroid HormoneVitamin EOsteoporosis, PostmenopausalOsteoporosisBone DensityFractures, BoneCalciumVitamin B 12DiphosphonatesVitamin A DeficiencyReceptors, CalcitriolSeasonsCalcitriolRisk FactorsDietFood, FortifiedAnimal FeedProspective StudiesVitamin D-Binding ProteinMineralsVitamin B 6Vitamin K 1Ascorbic AcidVitamin B 12 DeficiencyVitamin E DeficiencyCosmeticsPlant ExtractsPlant PreparationsNutritional RequirementsVitamin K Deficiency25-Hydroxyvitamin D3 1-alpha-HydroxylaseFolic Acid25-Hydroxyvitamin D 2Nutritional StatusVitamin B 6 DeficiencyAnimal Nutritional Physiological PhenomenaAntioxidantsDrugs, Chinese HerbalPhytotherapyDigestionVitamin D Response ElementMicronutrientsLegislation, FoodNutrition PolicyRandom AllocationDietary ProteinsDihydroxycholecalciferolsDouble-Blind Method24,25-Dihydroxyvitamin D 3Food AnalysisConsumer Product SafetyFood HandlingPyridoxineDose-Response Relationship, Drugbeta CaroteneTabletsPhosphorusPregnancyNutritive ValueMolassesCholestanetriol 26-MonooxygenaseAvitaminosisBiological AvailabilityUnited StatesHealth FoodCattleAdministration, OralOsteomalaciaDietary FiberSoybeansTrace ElementsBone and BonesVitamin K 2Chemistry, PharmaceuticalEatingBody WeightFlourRumenNonprescription DrugsChromatography, High Pressure LiquidEnergy IntakeGinsenosidesNutritional Physiological PhenomenaPlants, MedicinalCapsulesHerbal Medicine