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If someone ate a full box of high iron cereal before an mri would they get injured?
(sh.itjust.works)
this post was submitted on 21 Feb 2026
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Most compounds aren't magnetic, some but not all alloys are, and there are a few advanced materials that aren't really metallic but are still magnetic. As a general rule, non-metallic compounds aren't magnetic, and our bodies can't absorb most metals in their elemental state.
If you'd had those iron pills in your pocket, there's a very good chance nothing would have happened. I wouldn't try this on the sly for the sake of science, though. Those iron supplements would have been some iron compounds and would have as much in common with metallic iron as table salt does with metallic sodium.