There are vaccine ingredients which may not be disclosed

the verdict

SUPPORTED

the evidence backs this

Recorded sources

2 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

While regulatory agencies require ingredient safety evaluations and public listings, certain proprietary quantitative details or specific excipient formulas can be legally withheld under freedom of information exemptions or trade secret protections.

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Judged against fact-checker rulings and reference works: claims of this kind are settled by the fact-checking record, not journal abstracts.

Evidence for · 2

gov.uk: Freedom of Information request on COVID-19 vaccination ingredients and RNA (FOI 21-529) - GOV.UK

Recorded source metadata

gov.uk: Freedom of Information request on COVID-19 vaccination ingredients and RNA (FOI 21-529) - GOV.UK. gov.uk. https://www.gov.uk/government/publications/freedom-of-information-responses-from-the-mhra-week-commencing-14-june-2021/freedom-of-information-request-on-covid-19-vaccination-ingredients-and-rna-foi-21-529

Shows that exact quantities of certain excipients can be withheld under Freedom of Information exemptions (Sections 41 and 43).

Source citation format

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More for · 1

gov.uk: Freedom of Information request on the ingredients and product specifications for the COVID-19 Pfizer and Moderna vaccines (FOI 22/476) - GOV.UK

Recorded source metadata

gov.uk: Freedom of Information request on the ingredients and product specifications for the COVID-19 Pfizer and Moderna vaccines (FOI 22/476) - GOV.UK. gov.uk. https://www.gov.uk/government/publications/freedom-of-information-responses-from-the-mhra-week-commencing-21-february-2022/freedom-of-information-request-on-the-ingredients-and-product-specifications-for-the-covid-19-pfizer-and-moderna-vaccines-foi-22476

Demonstrates that specific finished product specifications and details for vaccines can be withheld via FOI exemptions.

Source citation format

The paper trail · every fact has a biography

first checked31 Jul 2026

judged → SUPPORTED · 7531 Jul 2026

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