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Flu Shot Ingredients
Below is a
Most of the preservatives used are known to be toxic and some are recognized carcinogens listed by the Environmental Protection Agency (EPA).
Cell Cultures: Egg protein is used to grow the flu virus, so there is enough to make the vaccine. Obviously, if you have an allergy to
Stabilizers: Sucrose, gelatin, or
Inactivating ingredient: Formaldehyde is added to the vaccine during the production process in order to prevent bacterial contamination. Formaldehyde is a pretty strong disinfectant and is listed as a human carcinogen by the National Toxicology Program.4
Preservatives: Thimerosal (mercury) is added to multi-dose vials of the flu shot. Its purpose is to prevent contamination, because each time a needle enters the vial there is a risk of exposure to impurities. Thimerosal is quite a controversial ingredient and rightfully so. It is mercury, a toxic heavy-metal. It has been linked to the suppression of the immune system, resulting in systemic inflammation and the development of autoimmune diseases.5 6 Because of the negative impact of thimerosal, some vaccine manufacturers have begun to create thimerosal-free vaccines which are available in limited quantities.
Antibiotics: Penicillin or other sulfa drugs are added to the vaccines in order to prevent bacterial contamination. If you have an allergy to any sulfa drugs, it’s wise to skip the flu shot.