I bet if we really knew what was in some of the food we eat we would be appalled. I like Doritos and I sure don't know what some of the ingredients are but I still eat them. Just an example.
Some claim that new ingredients have been added to the Pfizer vaccine. Simply untrue or it could not have been FDA approved without a whole new set of trial.
So don't believe the garbage that Karen Kingston, former employee of Pfizer (and who never worked on the vaccine) says. Her claims have been debunked.