Ascorbic AcidDietary SupplementsL-Gulonolactone OxidaseAscorbic Acid DeficiencyVitamin EAntioxidantsImmunotherapyVitamin AVitaminsAdministration, OralVitamin DVitamin B 12Vitamin A DeficiencyVitamin D DeficiencyOxidative StressImmunotherapy, AdoptiveVitamin E DeficiencyVitamin K 1Vitamin B 6Sodium-Coupled Vitamin C TransportersVitamin B 12 DeficiencyImmunotherapy, ActiveCholecalciferolDesensitization, ImmunologicVitamin K DeficiencyVitamin B 6 DeficiencyDietbeta CaroteneFood, FortifiedPyridoxineFolic AcidReceptors, Calcitriolalpha-TocopherolVitamin D-Binding ProteinDouble-Blind MethodCancer VaccinesNutritional StatusCalcifediolVitamin K 2Dehydroascorbic AcidCalcitriolAvitaminosisMicronutrientsScurvyAntigens, NeoplasmCarotenoidsNutritional RequirementsErgocalciferolsAnimal FeedVitamin B Deficiency