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Updated Oct 17, 2026

Aluminum: how long does it stay in a baby's body?

Update

A government toxicology report has something to say about how long injected aluminum stays in the body, and it's one of the biggest gaps in the evidence.

Aluminum in vaccines: safe, risky or dangerous? The evidence is Limited. Quote: how much of a baby's vaccine aluminum stays, where it goes and for how long has not been measured.

Our new section walks through what it found. Overall, aluminum's evidence is rated Limited, meaning tests of whether it's safe, risky, or dangerous for babies at the doses in their shots are sparse, indirect, or short-term.

Read the new section