AbsorptionIntestinal AbsorptionSkin AbsorptionBiological AvailabilitySpectrophotometry, AtomicX-Ray Absorption SpectroscopyJejunumSpectrophotometryIronSpectrum AnalysisIntestine, SmallCell ShapeZinc RadioisotopesAdministration, OralZincPhytic AcidIron RadioisotopesZinc IsotopesSpectrophotometry, UltravioletIntestinesDuodenumIleumFecesCaco-2 CellsMalabsorption SyndromesSitosterolsWaterKineticsIntestinal MucosaLymphBiological TransportHydrogen-Ion ConcentrationDietIron, DietaryFerrous CompoundsCalcium, DietaryEnterocytesSodiumCopperSpectrophotometry, InfraredPhytosterolsAzetidinesTime FactorsCholesterolLightModels, BiologicalBile Acids and SaltsCalciumCross-Over StudiesArea Under CurveBicarbonatesSpectrometry, FluorescenceChromatography, High Pressure LiquidX-RaysChloridesLymphatic SystemPerfusionFerritinsBileSpectrometry, X-Ray EmissionRats, Sprague-DawleySolubilityFood, FortifiedTissue DistributionGastrointestinal TransitColonHalf-LifeMicrovilliPhotochemistryLiverHemeIsotopesXyloseOxidation-ReductionDose-Response Relationship, DrugRabbitsInjections, IntravenousCalcium CarbonateDigestionFood-Drug InteractionsTrioleinPhosphorusCircular DichroismCholesterol, DietaryFoodBiological Transport, ActiveGlucoseHemoglobinsTemperaturePharmacokineticsIntubation, GastrointestinalSpectrum Analysis, RamanAmino AcidsMannitolDietary FatsDigestive SystemEmulsionsRats, WistarPhotonsLoop of Henle