According to the CDC's website:
None of the vaccines contain eggs, gelatin, latex, or preservatives. All COVID-19 vaccines arefree from metalssuch as iron, nickel, cobalt, lithium, rare earth alloys or any manufactured products such as microelectronics, electrodes, carbon nanotubes, or nanowire semiconductors.
Pfizer:
- Active ingredient:
- Nucleoside-modified mRNA encoding the viral spike (S) glycoprotein of SARS-CoV-2
- Inactive:
- 2[(polyethylene glycol (PEG))-2000]-N,N-ditetradecylacetamide
- 1,2-distearoyl-sn-glycero-3-phosphocholine
- Cholesterol
- (4-hydroxybutyl)azanediyl)bis(hexane-6,1-diyl)bis(2-hexyldecanoate)
- Sodium chloride
- Monobasic potassium phosphate
- Potassium chloride
- Dibasic sodium phosphate dihydrate
- Sucrose
Moderna:
- Active Ingredient:
- Nucleoside-modified mRNA encoding the viral spike (S) glycoprotein of SARS-CoV-2
- Inactive Ingredients:
- PEG2000-DMG: 1,2-dimyristoyl-rac-glycerol, methoxypolyethylene glycol
- 1,2-distearoyl-sn-glycero-3-phosphocholine
- Cholesterol
- SM-102: heptadecan-9-yl 8-((2-hydroxyethyl) (6-oxo-6-(undecyloxy) hexyl) amino) octanoate
- Tromethamine
- Tromethamine hydrochloride
- Acetic acid
- Sodium acetate
- Sucrose
Johnson & Johnson:
- Active Ingredient:
- Recombinant, replication-incompetent Ad26 vector, encoding a stabilized variant of the SARS-CoV-2 Spike (S) protein
- Inactive Ingredients:
- Polysorbate-80
- 2-hydroxypropyl-β-cyclodextrin
- Citric acid monohydrate
- Trisodium citrate dihydrate
- Sodium chloride
- Ethanol