Vaccine Ingredients

Vaccines contain many ingredients that on their own are considered highly toxic and to be avoided under all circumstances. Once packaged into a single product to be injected into children they’re immediately considered safe. With the vaccine schedule tripling since the 1980’s children are being subjected to an ever-increasing amount of toxic ingredients like mercury, aluminum, formaldehyde, aborted fetal tissue, chemicals, and other contaminants.

Vaccine ingredients used in Canada can be found at

Most people assume that rigorous scientific studies have been conducted to determine the safety of these ingredients individually as well as in concert, but the science has not been done. 


Mercury in the form of thimerosal was in almost all vaccines until the early 2000s, at which point it was removed from many childhood vaccines. Today there is still mercury in some vaccines including all multi-dose vials of flu vaccines which are very common.

In 2004, Acting Director of the Food and Drug Administration (FDA) testified before the U.S. House of Representatives admitted that thimerosal safety had not been tested in humans since 1929 when it was first approved. In 1929, 27 people dying of meningitis were administered thimerosal and when they all died of meningitis it was concluded there was no correlation between their deaths and the mercury and therefore it was safe.

Congressman Burton was outraged saying, 
“So we have mercury that is being put into peoples [babies] bodies in the form of this preservative and have been since the 30s and its never been tested by our health agencies. And yet you folks come here and you testify that there is no conclusive evidence, and the IOM [Institute of Medicine] says they favor, get this, they don’t say they’re sure, they say they favor rejection of a causal relationship between mercury and autism and other neurological disorders.” U.S. House of Representatives, September 8th, 2004

The University of Calgary conducted real-time experiments illustrating the devastating damage that mercury inflicts on brain neurons. Babies have immature blood-brain barriers (BBB), and other vaccine ingredients like Polysoborbate 80 increase the ability of injected compounds to pass through the blood-brain barrier allowing mercury into the brain of rapidly growing infants.

As the most neurotoxic, non-radioactive element there is no safe dose of mercury, it is dangerous in any amount. Mercury has been repeatedly linked to neurological disorders, brain damage, and other adverse events.

Review our collection of studies regarding mercury. 


Vaccine manufacturers are unable to elicit an appropriate immune response from most vaccines without the addition of adjuvants. These substances are meant to hyper-stimulate the immune system in order that a sufficient antibody response takes place. The most commonly used adjuvant is a form of aluminum.

Aluminum (Al) is toxic to all life forms but is used in many vaccines to boost the immune response to vaccine antigens. A known neurotoxin, aluminum activates brain inflammation (excitotoxicity), is pro-inflammatory, interferes with gene expression, impacts memory, cognition, psychomotor control, damages the blood-brain barrier, depresses mitochondrial function, and induces allergy. Aluminum adjuvants in vaccines are linked to chronic autoimmune diseases and a wide array of chronic diseases.

Deep-Dive - Aluminum: What Vaccination Proponents Say

Vaccination proponents will point to studies like Updated Aluminum Pharmacokinetics Following Infant Exposures Through Diet and Vaccination as proof of safety.

 “Using these updated parameters we found that the body burden of aluminum from vaccines and diet throughout an infant’s first year of life is significantly less than the corresponding safe body burden of aluminum modeled using the regulatory MRL. We conclude that episodic exposures to vaccines that contain aluminum adjuvant continue to be extremely low risk to infants and that the benefits of using vaccines containing aluminum adjuvant outweigh any theoretical concerns.”

Ingesting aluminum is not equivalent to injecting aluminum, pretending it is, is completely misleading. But note their final sentence, “outweighs any theoretical concerns.” At Informed Consent Canada, when it comes to the safety of the most vulnerable members of our society – we don’t want to rely on theoretical assumptions of safety.

Other proponents argue that “The body gets rid of most of the aluminum in just a few days.”

Flarend et al, in the study Vivo absorption of aluminum-containing vaccine adjuvants using 26Al, highlight the problem with this assumption.

Flarend injected radiolabeled AlOH and AlPO4 into rabbits, and then monitored the urinary excretion of the radioactive aluminum. The aluminum adjuvant dosage was 340 mcg/kg, which is comparable to dosages received by human infants according to the CDC schedule:  75, 150, and 250 mcg/Kg. After 28 days, the rabbits were dissected and aluminum concentration was measured in body tissues. The radioactivity enabled very accurate measurements of aluminum content in the urine, blood, and tissues.

Flarend unequivocally determined that the aluminum was NOT eliminated in “just a few days”, as claimed by the Oxford Vaccine Group. Instead, Flarend found that most of the aluminum was retained in the rabbits even after 28 days. Flarend states:

The cumulative amount of aluminum eliminated in the urine during the 28 days of the study was 6% of the Al hydroxide and 22% of the Al phosphate adjuvant dose. Aluminum from both adjuvants was still being excreted at a steady rate at day 28.

Since injected Al adjuvant is not eliminated in the feces, about 94% and 78% of the AlOH and AlPO4, respectively, remained in the rabbits after 28 days. The aluminum was not eliminated in a few days, as claimed by the Oxford Vaccine Group.

Also,  Flarend detected Al adjuvant in the brain, kidneys, spleen, liver, lymph nodes and heart.

Further, Flarend also reported that the aluminum persisted in the blood for weeks. Flarend states

The aluminum concentration [in blood] produced by AH [Al hydroxide] adjuvant at 1 hour was similar to the concentrations found from 2 to 28 days.

The results are different for AlOH and AlPO4 because they dissolve in body fluids at different rates. Only dissolved aluminum appears in the blood. AlPO4 dissolves faster and so is eliminated faster and produces a higher blood aluminum level; AlOH dissolves slower and so is eliminated slower and produces a lower blood aluminum level.

For a further deep dive into the subject of aluminum adjuvants visit VaccinePapers.Org. Portions of this section are reproductions of their work. 

Review dozens of studies linking aluminum adjuvants to serious adverse events at


Aborted Fetal Tissue – Fetal Cell Lines

Fetal cell lines from aborted babies are used in many vaccines, a comprehensive list of which vaccines can be found here. This ingredient produces many ethical and moral questions as well as safety concerns. The practice of injecting human DNA into other humans has not been proven safe, with the U.S. Food and Drug Administration citing concerns of tumorigenicity (tumor formation).

A 2015 Issue of Law and Medicine concluded:

“Vaccines manufactured in human fetal cell lines contain unacceptably high levels of fetal DNA fragment contaminants. The human genome naturally contains regions that are susceptible to double strand break formation and DNA insertional mutagenesis.”

A study in the Journal of Public Health and Epidemiology, concluded:

“Further, linear regression revealed that Varicella (chicken pox) and Hepatitis A immunization coverage was significantly correlated to autistic disorder cases. R software was used to calculate change points. Autistic disorders change points years are coincident with introduction of vaccines manufactured using human fetal cell lines, containing fetal and retroviral contaminants, into childhood vaccine regimens. This pattern was repeated in the US, UK, Western Australia and Denmark. Thus, rising autistic disorder prevalence is directly related to vaccines manufactured utilizing human fetal cell lines. Increased paternal age and DSM revisions were not related to rising autistic disorder prevalence.”

Animal Products

A variety of animal-derived products are both intentionally and unintentionally contained in vaccines. These include amino acids, glycerol, detergents, gelatin, enzymes, and genetic particles. Many vaccine viruses are cultured within animal tissue. Monkey kidneys were common substrates in the past resulting in contamination with Simian Virus 40 (SV40), a cancer-causing virus. Millions of people received vaccines contaminated with this virus. Since viruses are so small, and the fact that the substrates used to grow them often contain their own viral contaminants, it’s very difficult for manufacturers to ensure the total purity of the virus they’re growing.

Egg and milk allergies are the most common in children and cases of anaphylactic reactions have occurred after the administration of certain vaccines. Numerous studies have linked the administration of gelatin containing vaccines to gelatin allergy as well as cases of anaphylactic shock in subsequent administrations.


Other Ingredients


Polysoborbate80 (Tween 80) is a surfactant and emulsifier used in food, cosmetics, and excipient in vaccines. We’ve indexed numerous studies demonstrating the ability of polysorbate 80 to increase blood-brain barrier permeability, and there are more than 100 studies to that effect on PubMed. This is very important when considering that vaccines contain other toxic substances such as mercury and aluminum, that when combined with polysorbate 80 may be able to cross the blood-brain barrier even easier than in its absence.

“Pharmaceutical companies utilize polysorbate-80 in their drug manufacturing to help with the transmission of pharmaceuticals across the blood brain barrier. With aluminum and polysorbate-80 tightly bound in the HPV vaccine, and able to pass freely into the brain across the BBB, regardless of the state of health of the BBB, this can explain some of the fainting, seizures, and neurological sequelae that have been reported in teenage girls after they have received the HPV vaccine” – Dr. Lawrence Palevsky

Ultrasound is also routinely used to increase the permeability of the blood-brain barrier to increase drug delivery into the brain. An expecting mother who has dutifully received her flu and DTaP vaccines, who also undergo multiple routine ultrasounds is creating the perfect conditions for high levels of neurotoxic metals to enter the brain of their unborn baby, increasing the risk of neurological disorders and other chronic diseases.

Learn more about the risks of Polysorbate 80 at Vaccine Choice Canada.


Formaldehyde is a preservative, disinfectant (don’t inject it), and biocide routinely used in the manufacturer of vaccines as a method of inactivating viruses. In 1987 the U.S. Environmental Protection Agency (EPA) classified it as a probable human carcinogen. In 2011, the U.S. National Toxicology Program described formaldehyde as “known to be a human carcinogen (cancer-causing).”

PubMed catalogs thousands of studies linking formaldehyde to cancer. Vaccination proponents argue that its only a tiny residual amount and that it does not pose a safety concern. The issue is that injection is a novel route of entry into the human body (versus oral or inhalation), and it’s combined with numerous other chemicals that may produce a synergistic effect. With the explosion of childhood cancers over the past decades that has coincided with the explosion of the vaccine schedule, it behooves us as a society to first prove products are safe before experimenting with them on children.


Mercury from thimerosal acts as an antibiotic, but other antibiotics such as neomycin and gentamicin are also routinely used in vaccinations in order to prevent bacterial contamination.

Ask Your Doctor

We strongly encourage people to ask their doctor about the ingredients in the vaccines they’re offering. Many people are shocked and horrified to discover that their doctor can’t name even a few of the ingredients commonly used in vaccines, much less speak on the research pertaining to the safety of those ingredients individually.


Learn More


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Vaccine Safety – Is The Science Settled?

Vaccine Safety – Is The Science Settled?

Governments, the pharmaceutical industry, and our health officials repeatedly claim that vaccines are the first pharmaceutical drug that is universally safe. We're consistently told that the "science is settled" and that time for debate is over. But is science really...

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