Plutonium is not something anyone should taste ; it is a toxic radioactive metal, and even tiny exposure can be dangerous. Reports about its “taste” are anecdotal and inconsistent, but the most commonly repeated description is metallic , sometimes compared to iron or copper.

Safety note

  • Do not try to handle, ingest, or test plutonium in any way.
  • If someone may have been exposed, treat it as an emergency and contact local poison control or emergency services right away.

Why people say that

A historical anecdote from the Manhattan Project is often cited: chemist Donald Mastick reportedly got plutonium in his mouth and described a metallic taste. Other internet posts repeat the same idea, but these are not safe or reliable sources for experimentation.

If you want, I can also explain why radioactive metals are dangerous in the body in plain language.