Potassium Bromate

Also known as: Bromate, KBrO3

Flour treatment agent

US-EU Regulatory Divergence

This additive has different regulatory status in the US and EU — what's permitted in one region may be restricted or banned in the other.

Regulatory Status

United States (FDA)

Approved

FDA has not banned it. Used in bread-making to strengthen dough. California requires cancer warning label (Prop 65).

European Union (EFSA)

Banned

Banned in EU, UK, Canada, China, Brazil, and many other countries since the 1990s.

Safety Profile

Banned in most developed countries EXCEPT the US. IARC classifies it as a possible carcinogen. One of the most controversial US-only permitted additives.

Health Concerns

• Classified as possibly carcinogenic (IARC Group 2B)
• Causes kidney tumors in animal studies
• Should convert to harmless bromide during baking, but may not fully convert

Commonly Found In

BreadRollsBaked goods

Sources: FDA Substances Added to Food, EFSA opinions, EU Regulation 1333/2008, IARC monographs

SafeCheck provides drug interaction information from FDA-approved product labeling (openFDA). This is for informational purposes only and is not medical advice. Always consult your healthcare provider before making medication decisions.