[seanhandley]

> Potassium bromate is classified as a category 2B carcinogen by the International Agency for Research on Cancer (IARC)

Yeah, that's not food.

[sseagull]

Looking at the list of group 2B carcinogen, I see things like caffeic acid (common in food like, uh, coffee, but other things as well).

Also I see bleomycin, which is used to treat cancer.

Lesson: labeling something as a potential carcinogenic is nuanced.