AbsorptionIntestinal AbsorptionSkin AbsorptionBiological AvailabilitySpectrophotometry, AtomicX-Ray Absorption SpectroscopyJejunumSpectrophotometryIronSpectrum AnalysisIntestine, SmallZinc RadioisotopesAdministration, OralZincPhytic AcidIron RadioisotopesZinc IsotopesSpectrophotometry, UltravioletIntestinesDuodenumIleumFecesCaco-2 CellsMalabsorption SyndromesSitosterolsWaterIntestinal MucosaLymphBiological TransportKineticsIron, DietaryDietCalcium, DietaryFerrous CompoundsEnterocytesHydrogen-Ion ConcentrationSodiumCopperPhytosterolsSpectrophotometry, InfraredAzetidinesCholesterolBile Acids and SaltsCross-Over StudiesArea Under CurveBicarbonatesLightLymphatic SystemTime FactorsChloridesChromatography, High Pressure LiquidFerritinsBileCalciumPerfusionSpectrometry, FluorescenceFood, FortifiedSpectrometry, X-Ray EmissionX-RaysGastrointestinal TransitRats, Sprague-DawleySolubilityColonTissue DistributionHalf-LifeIsotopesHemeMicrovilliXylosePhotochemistryLiverInjections, IntravenousDigestionFood-Drug InteractionsOxidation-ReductionTrioleinCalcium CarbonateCholesterol, DietaryPhosphorusDose-Response Relationship, DrugFoodBiological Transport, ActiveGlucoseCircular DichroismPharmacokineticsIntubation, GastrointestinalRabbitsDietary FatsHemoglobinsMannitolSpectrum Analysis, RamanLoop of HenleModels, BiologicalCalcium RadioisotopesDigestive SystemAmino AcidsStrontium IsotopesGastric EmptyingMineralsCarotenoids