Moderna COVID-19 Vaccine List of Ingredients


Important note: This article is intended for those who understand vaccines as critical to maintaining their health and that of their families. It is NOT intended for those who are anti-vaccine and as such is NOT intended to foster a discussion on the merits of vaccines in this forum. It is also NOT intended to foster a discussion of the lethality of COVID-19 or the need for civic action to limit the spread of the disease.

After Pfizer’s COVID-19 vaccine received Emergency Use Authorization (EUA) from the US Food and Drug Administration (FDA) earlier this week, an FDA panel deemed the Moderna COVID-19 vaccine candidate ‘Highly Effective’ with no serious allergic reactions observed. It is likely the FDA will issue an EUA for the Moderna candidate any time now clearing the way for the vaccine to be distributed and administered nationwide.

In a brief to the Food and Drug Administration dated today, Moderna disclosed the ingredients of their vaccine. We list the ingredients here ordered according to ingredient type for those concerned with food or drug allergies.

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Ingredients in the Moderna COVID-19 Vaccine

Active Ingredient:

  • Synthetic messenger ribonucleic acid (mRNA) encoding the pre-fusion stabilized spike glycoprotein (S) of SARS-CoV-2 virus.

Fats (Lipids):

  • SM-102
  • 1,2-dimyristoyl-rac-glycero3-methoxypolyethylene glycol-2000 [PEG2000-DMG]
  • cholesterol
  • 1,2-distearoyl-snglycero-3-phosphocholine [DSPC]


  • sucrose

Other Excipients:

  • tromethamine
  • tromethamine hydrochloride
  • acetic acid
  • sodium acetate

Pfizer COVID-19 Vaccine List of Ingredients
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Dave Bloom
Dave Bloom
Dave Bloom is CEO and "Blogger in Chief" of

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  1. Having Alpha-Gal and anything to do with the medical field is so scary. I just had knee surgery and trying to explain to the anesthesiologist was a nightmare. He didn’t understand what I was trying to explain to him about what things are sourced from. I couldn’t use certain drugs and ringers lactate, the one hung up behind me already prepped for my surgery had to be replace with saline solution. So looks like I’ll not be getting the vaccine.
    On the bright side maybe I’ll have a side of knock out pork ribs!

    • If you are allergic to Lactated ringer’s the preservative in it is responsible, sodium lactate. I have this allergy. The last anesthetist I had the kindness to research it for me. Now I only get Ns. In doing research the Moderns vaccine has sodium lactate bit the Pfizer has no preservative.

    • Zero. There is absolutely no DNA in either the Pfizer or Moderna vaccine and the mRNA (the active ingredient in both) is synthetic.

  2. I recovered from Guillame Barre Syndrom 12 years ago and was told by my doctor to never get a flu shot. Is it safe for me to get the Moderna Covid vaccination?

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