Excipients in Vaccines Not Routinely Recommended in the US

Updated March 14, 2025

Excipients in Vaccines Not Routinely Recommended in the US

updated December 2024

    • Print Versions of Excipients Table sorted by: Excipients | Vaccine Type | Vaccine Name

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      ExcipientPurposeVaccine NameVaccine TypeAmount per 0.5 mL dose*
      Albumin, HumanDiluent/StabilizerACAM2000Smallpox/Mpox2%
      Calf lymph vaccineGrowth MediumACAM2000Smallpox/MpoxAmount not specified in PI
      GlycerinMedium NutrientACAM2000Smallpox/Mpox50% (v/v)
      MannitolStabilizerACAM2000Smallpox/Mpox5%
      NeomycinAntimicrobialACAM2000Smallpox/MpoxTrace Amounts
      PhenolPreservativeACAM2000Smallpox/Mpox0.25% (v/v)
      Polymyxin BAntimicrobialACAM2000Smallpox/MpoxTrace Amounts
      Sodium ChlorideBufferACAM2000Smallpox/Mpox0.5- 0.7%
      Vero CellsGrowth MediumACAM2000Smallpox/MpoxAmount not specified in PI
      AcetoneSolventAdenovirus Type 4 and Type 7Adenovirus Type 4 and Type 7Amount not specified in PI
      Albumin, HumanDiluent/StabilizerAdenovirus Type 4 and Type 7Adenovirus Type 4 and Type 7Amount not specified in PI
      Albumin, Human (WI-38)Diluent/StabilizerAdenovirus Type 4 and Type 7Adenovirus Type 4 and Type 7Amount not specified in PI
      AlcoholSolventAdenovirus Type 4 and Type 7Adenovirus Type 4 and Type 7Amount not specified in PI
      Castor OilTablet CoatingAdenovirus Type 4 and Type 7Adenovirus Type 4 and Type 7Amount not specified in PI
      Cellulose, Acetate PhthalateControls formulation releaseAdenovirus Type 4 and Type 7Adenovirus Type 4 and Type 7Amount not specified in PI
      Cellulose, MicrocrystallineStabilizerAdenovirus Type 4 and Type 7Adenovirus Type 4 and Type 7Amount not specified in PI
      DextroseMedium NutrientAdenovirus Type 4 and Type 7Adenovirus Type 4 and Type 7Amount not specified in PI
      D-fructoseMedium NutrientAdenovirus Type 4 and Type 7Adenovirus Type 4 and Type 7Amount not specified in PI
      D-mannoseStabilizerAdenovirus Type 4 and Type 7Adenovirus Type 4 and Type 7Amount not specified in PI
      DMEMGrowth MediumAdenovirus Type 4 and Type 7Adenovirus Type 4 and Type 7Amount not specified in PI
      Fetal Bovine SerumGrowth MediumAdenovirus Type 4 and Type 7Adenovirus Type 4 and Type 7Amount not specified in PI
      Lactose, AnhydrousStabilizerAdenovirus Type 4 and Type 7Adenovirus Type 4 and Type 7Amount not specified in PI
      Magnesium StearateLubricant for capsule fillingAdenovirus Type 4 and Type 7Adenovirus Type 4 and Type 7Amount not specified in PI
      Monosodium GlutamateStabilizerAdenovirus Type 4 and Type 7Adenovirus Type 4 and Type 7Amount not specified in PI
      Plasdone CImproves solubilityAdenovirus Type 4 and Type 7Adenovirus Type 4 and Type 7Amount not specified in PI
      Polacrilin PotassiumBufferAdenovirus Type 4 and Type 7Adenovirus Type 4 and Type 7Amount not specified in PI
      Potassium PhosphateBufferAdenovirus Type 4 and Type 7Adenovirus Type 4 and Type 7Amount not specified in PI
      Sodium BicarbonateBufferAdenovirus Type 4 and Type 7Adenovirus Type 4 and Type 7Amount not specified in PI
      SucroseStabilizerAdenovirus Type 4 and Type 7Adenovirus Type 4 and Type 7Amount not specified in PI
      Yellow #6 Aluminum Lake DyeColorantAdenovirus Type 4 and Type 7Adenovirus Type 4 and Type 7Amount not specified in PI
      Beta-propiolactoneViral InactivatorAUDENZInfluenza H5N1≤0.1 mcg
      Cetyltrimethylammonium Bromide (CTAB)Protein PurifierAUDENZInfluenza H5N1≤ 4.5 mcg
      Citric Acid MonohydrateMedium NutrientAUDENZInfluenza H5N10.04 mg at pH 6.5-7.7
      Madin Darby Canine Kidney (MDCK) cell DNAResidual MediumAUDENZInfluenza H5N1≤10 ng
      Madin Darby Canine Kidney (MDCK) cell proteinResidual MediumAUDENZInfluenza H5N1≤3.15 mcg
      MF59C.1 Adjuvant (MF59)AdjuvantAUDENZInfluenza H5N1Amount not specified in PH
      Polysorbate 80SurfactantAUDENZInfluenza H5N11.175 mg
      Sodium Citrate DihydrateBufferAUDENZInfluenza H5N10.66 mg
      Sorbitan TrioleateStabilizerAUDENZInfluenza H5N11.175 mg
      SqualeneAdjuvantAUDENZInfluenza H5N19.75 mg
      ThimerosalPreservativeAUDENZInfluenza H5N125 mcg mercury in 0.5mL dose
      AsparagineMedium NutrientBCG VaccineBCGAmount not specified in PI
      Citric AcidMedium NutrientBCG VaccineBCGAmount not specified in PI
      GlycerinMedium NutrientBCG VaccineBCGAmount not specified in PI
      Iron Ammonium CitrateMedium NutrientBCG VaccineBCGAmount not specified in PI
      LactoseFreezing stabilizerBCG VaccineBCGAmount not specified in PI
      Magnesium SulfateMedium NutrientBCG VaccineBCGAmount not specified in PI
      Potassium PhosphateMedium nutrientBCG VaccineBCGAmount not specified in PI
      Aluminum HydroxideAdjuvantBioThraxAnthrax1.2 mg/mL aluminum
      Amino AcidsMediumBioThraxAnthraxAmount not specified in PI
      Benzethonium ChloridePreservativeBioThraxAnthrax25 mcg/mL
      FormaldehydePreservativeBioThraxAnthrax100 mcg/mL
      Salt, inorganicMediumBioThraxAnthraxAmount not specified in PI
      Sodium ChlorideBufferBioThraxAnthrax0.85%
      SugarsMediumBioThraxAnthraxAmount not specified in PI
      VitaminsMediumBioThraxAnthraxAmount not specified in PI
      AluminumAdjuvantCyrendusAnthrax1.3 mg/mL
      Amino AcidsStabilizerCyrendusAnthraxAmount not specified in PI
      Benzethonium ChloridePreservativeCyrendusAnthrax25 mcg/mL
      Cell-free FiltrateMedium/VaccineCyrendusAnthrax100 mcg/mL
      CPG 7909AdjuvantCyrendusAnthrax0.5 mg/mL
      FormaldehydePreservativeCyrendusAnthrax100 mcg/mL
      Salt, InorganicMediumCyrendusAnthraxAmount not specified in PI
      Sodium ChlorideBufferCyrendusAnthrax0.85%
      SugarsMediumCyrendusAnthraxAmount not specified in PI
      VitaminsMediumCyrendusAnthraxAmount not specified in PI
      Amino Acids, EssentialStabilizerDENGVAXIADengue0.56 mg including l-phenylalanine
      Amino Acids, Non-essentialStabilizerDENGVAXIADengue0.2 mg
      D-sorbitolStabilizerDENGVAXIADengue9.38 mg
      D-trehalose DihydrateStabilizerDENGVAXIADengue13.75 mg
      L-arginine HydrochlorideStabilizerDENGVAXIADengue2.5 mg
      Sodium ChlorideBuffer/DiluentDENGVAXIADengue2mg
      SucroseStabilizerDENGVAXIADengue18.75 mg
      TrometamolStabilizerDENGVAXIADengue0.18 mg
      UreaStabilizerDENGVAXIADengue0.63 mg
      Vero CellsGrowth MediumDENGVAXIADengueAmount not specified in PI
      Albumin, Human (recombinant, rice-derived)StabilizerERVEBOEbola, Zaire2.5 mg/1 mL dose
      BenzonaseProtein PurifierERVEBOEbola, Zaire≤15 ng/1 mL dose
      Host Cell DNAResidual MediumERVEBOEbola, Zaire≤10 ng/1 mL dose
      Rice ProteinResidual MediumERVEBOEbola, ZaireTrace amounts
      Tromethamine (Tris)StabilizerERVEBOEbola, Zaire10 mM/1 mL dose
      Albumin, HumanStabilizerImovaxRabies<100 mg/mL
      Beta-PropiolactoneViral InactivatorImovaxRabies<50 ppm
      MRC-5 cellsManufacturing ResidueImovaxRabiesAmount not specified in PI
      Neomycin SulfateAntimicrobialImovaxRabies<150 mcg/mL
      Phenol Red IndicatorpH indicator, dyeImovaxRabies20 mcg/mL
      FormaldehydeInactivating AgentInfluenza H5N1 sanofiInfluenza H5N1≤200 mcg/1 mL dose
      Gelatin, PorcineStabilizerInfluenza H5N1 sanofiInfluenza H5N1500 mcg
      Polyethylene Glycol p-Isoctylpheny Ether (Triton X-100)SurfactantInfluenza H5N1 sanofiInfluenza H5N1<0.05%/1 mL dose
      SucroseStabilizerInfluenza H5N1 sanofiInfluenza H5N1≤2.0%/1 mL dose
      ThimerosalPreservativeInfluenza H5N1 sanofiInfluenza H5N198.2 mcg/1 mL dose (50 mcg mercury)
      2-PhenoxyethanolPreservativeIPOLPolio0.5%
      Albumin, Bovine Calf Serum ProteinStabilizerIPOLPolio<50 ng
      FormaldehydeInactivating AgentIPOLPolio≤0.02%
      M-199 MediumMediumIPOLPolioAmount not specified in PI
      NeomycinAntimicrobialIPOLPolio<5 ng
      Polymyxin BAntimicrobialIPOLPolio25 ng
      StreptomycinAntimicrobialIPOLPolio200 ng
      Vero CellsGrowth MediumIPOLPolioAmount not specified in PI
      Albumin, Fetal Bovine SerumStabilizerIXCHIQChikungunya<500 pg
      Albumin, Recombinant HumanStabilizerIXCHIQChikungunya0.05 mg
      Amino AcidsStabilizerIXCHIQChikungunyaAmount not specified in PI
      Phosphate BufferBufferIXCHIQChikungunya0.313 mg Di-potassium Hydrogen Phosphate
      0.098 mg Potassium di-hydrogen Phosphate
      D-sorbitolStabilizerIXCHIQChikungunya2.5 mg
      L-methionineAmino acid, nutrientIXCHIQChikungunya0.75 mg
      Magnesium Chloride HexahydrateSalt, bufferIXCHIQChikungunya0.51 mg
      Protamine SulfateProtein PurifierIXCHIQChikungunya< 1 mcg
      SucroseStabilizerIXCHIQChikungunya25 mg
      Trisodium Citrate Di-hydrateBufferIXCHIQChikungunya3.68 mg
      Vero cell DNAResidual MediumIXCHIQChikungunya<10 pg
      Vero cells proteinResidual mediumIXCHIQChikungunya<5 ng
      VitaminsMediumIXCHIQChikungunyaAmount not specified in PI
      Albumin, Bovine SerumStabilizerIxiaroJapanese Encephalitis≤100 ng/mL
      Aluminum HydroxideAdjuvantIxiaroJapanese Encephalitis250 mcg
      DNAResidual MediumIxiaroJapanese Encephalitis≤200 pg/mL (host cell DNA)
      FormaldehydeInactivating AgentIxiaroJapanese Encephalitis≤200 pmm
      Phosphate BufferBufferIxiaroJapanese EncephalitisSodium chloride
      Potassium dihydrogen phosphate
      Disodium hydrogen phosphate
      Protamine SulfateProtein PurifierIxiaro≤1 mcg/mL
      ProteinResidual MediumIxiaroJapanese Encephalitis≤100 ng/mL host cell protein
      Sodium MetabisulphiteStabilizerIxiaroJapanese Encephalitis≤200 ppm
      Vero cellsMedium NutrientIxiaroJapanese EncephalitisAmount not specified in PI
      BenzonaseProtein PurifierJynneosSmallpox/Mpox≤ 0.0025 mcg
      Chick Embryo Fibroblast cellsResidual MediumJynneosSmallpox/MpoxAmount not specified in PI
      CiprofloxacinAntimicrobialJynneosSmallpox/Mpox≤ 0.005 mcg
      DNAResidual MediumJynneosSmallpox/Mpox≤20 mcg Host Cell DNA
      GentamicinAntimicrobialJynneosSmallpox/Mpox≤ 0.400 mcg
      ProteinResidual MediumJynneosSmallpox/Mpox≤500 mcg
      Sodium ChlorideAdjust tonicityJynneosSmallpox/Mpox140 mM at pH 7.7
      TromethamineStabilizerJynneosSmallpox/Mpox10 mM
      Albumin, Egg (Ovalbumin)Residual MediumRabAvertRabies≤3 ng/1 mL dose
      Albumin, HumanDiluent/StabilizerRabAvertRabies≤0.3 mg/1 mL dose
      Amphotericin BAntimicrobialRabAvertRabies≤20 ng/1 mL dose
      Beta-PropiolactoneViral InactivatorRabAvertRabiesAmount not specified in PI
      Bovine SerumStabilizerRabAvertRabies“Small quantities’, US origin
      Chick EmbryoResidual MediumRabAvertRabiesNo intact cells (may have trace residual protein)
      Chick FibroblastsGrowth MediumRabAvertRabiesminimal amounts protein residual
      ChlortetracyclineAntimicrobialRabAvertRabies≤200 ng/1 mL dose
      EDTAPreservativeRabAvertRabies0.3 mg/1 mL dose sodium EDTA
      Gelatin, BovineStabilizer, solventRabAvertRabies≤12 mg/1 mL dose polygeline
      NeomycinAntimicrobialRabAvertRabies<10 mcg/1 mL dose
      Potassium GlutamateStabilizerRabAvertRabies1 mg/1 mL dose
      Albumin, HumanDiluent/StabilizerTICOVACTick-borne Encephalitis0.5 mg
      Aluminum HydroxideAdjuvantTICOVACTick-borne Encephalitis0.35 mg
      Chick ProteinResidual MediumTICOVACTick-borne EncephalitisTrace Amounts
      Dibasic Sodium PhosphateBufferTICOVACTick-borne Encephalitis0.22 mg
      DNA from CEF cellsResidual MediumTICOVACTick-borne EncephalitisTrace amounts
      FormaldehydeInactivating AgentTICOVACTick-borne Encephalitis≤5 mcg
      GentamicinAntimicrobialTICOVACTick-borne EncephalitisTrace amounts
      Monobasic Potassium PhosphateBufferTICOVACTick-borne Encephalitis0.045 mg
      NeomycinAntimicrobialTICOVACTick-borne EncephalitisTrace amounts
      Protamine SulfateProtein PurifierTICOVACTick-borne Encephalitis≤0.5 mcg
      Sodium ChlorideBufferTICOVACTick-borne Encephalitis3.45 mg
      SucroseStabilizerTICOVACTick-borne Encephalitis≤15 mg
      Bovine CaseinMedium NutrientTyphim ViTyphoidAmount not specified in PI
      FormaldehydeInactivating AgentTyphim ViTyphoid≤100 mcg (residual)
      Hexadecyltrimethylammonium BromideProtein PurifierTyphim ViTyphoidAmount not specified in PI
      PhenolPreservativeTyphim ViTyphoid0.25%
      Phosphate BufferBufferTyphim ViTyphoid0.065 mg disodium phosphate
      0.023 mg monosodium phosphate
      PolydimethylsiloxaneAntifoamTyphim ViTyphoidResidual, fatty-acid ester-based antifoam
      Sodium ChlorideAdjust tonicityTyphim ViTyphoid4.150 mg
      Anhydrous lactoseBulking AgentVAXCHORACholera≤2.09 gc
      Anhydrous lactoseManufacturing Flow AidVAXCHORACholera0.18–0.22 g
      Ascorbic acidStabilizerVAXCHORACholera≤8.55 mg
      Ascorbic acidBuffer and NeutralizerVAXCHORACholera1.50–1.80 g
      Hy-Case SF (hydrolyzed casein)StabilizerVAXCHORACholera≤ 17.11 mg
      Sodium BicarbonateBufferVAXCHORACholera2.16–2.41 g
      Sodium CarbonateBufferVAXCHORACholera0.24-0.49 g
      SucroseStabilizerVAXCHORACholera≤165.37 mg
      Amino AcidMedium NutrientVivotifTyphoid0.3-3.0 mg
      Ascorbic AcidAntioxidantVivotifTyphoid0.2-2.4 mg/capsule
      Bovine CaseinMedium NutrientVivotifTyphoidAmount not specified in PI
      DextroseMedium NutrientVivotifTyphoidAmount not specified in PI
      GalactoseMedium NutrientVivotifTyphoidAmount not specified in PI
      GelatinGelatin CapsulesVivotifTyphoidGelatin Capsule
      LactoseStabilizerVivotifTyphoid<180-200 mg/capsule
      Magnesium StearateLubricant for capsule fillingVivotifTyphoid3.6-4.0 mg/capsule
      SucroseStabilizerVivotifTyphoid3.3-34.2 mg/capsule
      YeastMedium NutrientVivotifTyphoidAmount not specified in PI
      Chicken EmbryoResidual MediumYF-VAXYellow FeverAmount not specified in PI
      GelatinStabilizerYF-VAXYellow FeverAmount not specified in PI
      Salts, MineralAdjust tonicityYF-VaxYellow FeverIngredient in Diluent
      SorbitolStabilizerYF-VAXYellow FeverAmount not specified in PI

      This information is correct to the best of our knowledge. Please report inaccuracies to us at info@hopkinsvaccine.org
      This table was last updated on December 20, 2024 | © 2024 Institute for Vaccine Safety