VitaminsDietary SupplementsVitamin AVitamin EVitamin B 12Vitamin B ComplexAscorbic AcidFolic AcidVitamin B 6Vitamin DDietPyridoxineVitamin A DeficiencyAntioxidantsbeta CaroteneHomocysteineVitamin D DeficiencyCarotenoidsRiskVitamin K 1Prospective StudiesVitamin B 12 DeficiencyVitamin E DeficiencyPregnancyRisk FactorsCase-Control StudiesVitamin K DeficiencyCohort StudiesVitamin B 6 DeficiencyCholecalciferolUnited StatesQuestionnairesInfant, NewbornFood, FortifiedMineralsReceptors, CalcitriolVitamin D-Binding ProteinVitamin K 2CalcifediolNutritional StatusNutritional RequirementsCalcitriolMicronutrientsAnimal FeedErgocalciferolsVitamin B DeficiencyCalcium, DietaryAvitaminosisalpha-TocopherolVitamin K 3SunlightRicketsDouble-Blind MethodVitamin K Deficiency BleedingNutrition PolicyPlant PreparationsRandom AllocationTrace ElementsDietary ProteinsTocopherolsHydroxycholecalciferolsSeleniumHypervitaminosis ARiboflavinMethylmalonic AcidSodium-Coupled Vitamin C TransportersParathyroid HormoneAnimal Nutritional Physiological Phenomena25-Hydroxyvitamin D 225-Hydroxyvitamin D3 1-alpha-HydroxylaseBody WeightZincVitamin K Epoxide ReductasesAdministration, OralCattleBiological AvailabilityTranscobalaminsMolassesDose-Response Relationship, DrugEatingDigestionRumenPyridoxal PhosphateNutritional Physiological PhenomenaIntestinal AbsorptionXerophthalmiaPoaceaeLiverCalciumThiamineEnergy IntakeIronPhytotherapyVitamin D Response ElementFolic Acid DeficiencyPlant ExtractsMilkFish OilsSeasonsLactation