Ascorbic AcidAscorbic Acid DeficiencyIronIntestinal AbsorptionAbsorptionIron IsotopesIron RadioisotopesDietIron, DietaryIron Chelating AgentsFerritinsPhytic AcidFerrous CompoundsBiological AvailabilityHepcidinsIron OverloadAnemia, Iron-DeficiencyHemochromatosisAnemia, HypochromicFood, FortifiedDuodenumFerric CompoundsHemoglobinsAntimicrobial Cationic PeptidesTransferrinIron CompoundsCation Transport ProteinsIron-Binding ProteinsHemosiderinFood AnalysisDehydroascorbic AcidScurvyDietary ProteinsEnterocytesDietary SupplementsDietary FatsBreadDietary FiberGrape Seed ExtractReceptors, TransferrinAntioxidantsLiverCaco-2 CellsMeatCalcium, DietaryPolyphenolsNutritional StatusPhenylhydrazinesPhlebotomyBloodlettingIron Metabolism DisordersSoybeans6-PhytaseHemeZincEdetic AcidFlourIron Regulatory Protein 1Iron-Regulatory ProteinsIntestinesDeferoxamineVegetable ProteinsCerealsCross-Over StudiesHematocritTeaCopperInfant FoodWhole-Body CountingIntestinal MucosaAdministration, OralMilkErythropoiesisL-Gulonolactone OxidaseIron Regulatory Protein 2Citrus aurantiifoliaTriticumFecesNutritive ValueVegetablesHydrolyzable TanninsDigitariaFoodSkin AbsorptionOxidation-ReductionFood AdditivesDysprosiumBiological TransportRats, Mutant StrainsZinc IsotopesFood, FormulatedCeruloplasminSpectrophotometry, AtomicIntestine, SmallHomeostasisFood HandlingBody WeightDietary CarbohydratesSiderosisSodium-Coupled Vitamin C Transporters