These Are the Ingredients in the COVID19 Vaccine
- Dr. Jen Caudle

- Sep 2, 2021
- 1 min read
Updated: Sep 23, 2025

Are you wondering what ingredients are in the COVID19 Vaccines? If so, I've got you covered.
According to the CDC, here is the list of ingredients:

Please make sure you talk to your doctor about any questions you have regarding the COVID19 Vaccine.
Here is more information that might be helpful:
Stay Safe and GET VACCINATED!
Dr. Jen
Dr. Jen Caudle is a Family Doctor & Associate Professor at Rowan University, On-air health expert, and Video creator. Please sign up for her free newsletter and follow her on Instagram, Facebook, and YouTube for daily health videos.



This article about what’s in the COVID-19 vaccine does a good job of breaking down something a lot of people are curious about. It explains that the vaccines include the part that teaches your immune system how to recognise the spike protein from the virus, plus fats to protect that part and help it get into cells, and other stabilisers like salts and sugars so the formula stays good until it’s used. Most of these ingredients are similar to things you might find in food or in other medicines, and you’ll notice they don’t include things like preservatives or animal products that some people worry about, so it feels a bit less mysterious once it’s explained. Seeing an ingredient list…
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