The FDA knew potassium bromate causes tumors in animals back in 1982.
They had 44 years to ban it – and never did.
But Florida Attorney General James Uthmeier just subpoenaed the company that put a cancer chemical in school lunches.
The Chemical the World Banned That America Still Feeds to Kids
More than a dozen countries banned potassium bromate from their food supply decades ago.
The European Union pulled it in 1990.
Canada followed in 1994.
China banned it in 2005.
Even India banned it in 2016.
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The reason is the same everywhere: it causes kidney tumors, thyroid tumors, and direct DNA damage.
The International Agency for Research on Cancer classified it as a possible human carcinogen in 1999.
Here in America, the FDA has known about the cancer link since Japanese researchers first sounded the alarm in 1982.
Their response was to send bakers a strongly worded suggestion in 1991 – a voluntary request to please stop using it.
That's it.
No ban.
No enforcement.
Thirty-five years of voluntary please-and-thank-you while American families ate it in their bread, their restaurant rolls, and their children's school lunches.
Florida Follows the Chemical from the Bag to the Cafeteria
Uthmeier isn't waiting for Washington.
In July, he subpoenaed General Mills – the company behind Pillsbury and Gold Medal flour brands – demanding records on every bromated product sold in Florida.
Last week, he expanded that investigation to Performance Food Group, the nation's third-largest food distributor, with major operations in Orlando and Miami.
The subpoena is surgical.
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Uthmeier wants to know exactly which products contained bromated flour, exactly which restaurants and businesses bought them, and – critically – whether any of them were told the flour contained a chemical that most of the world already banned.
The specific products under the microscope: Pillsbury Potentate High Gluten Flour, Pillsbury Best Bakers Patent Flour, Gold Medal All Aces Bakery Flour, and Gold Medal Superlative Bakers Flour.
"We are following this additive from the bag of flour to the kitchen that serves Florida families," Uthmeier said.
Performance Food Group has until November 6 to hand over the records.
If they don't comply, Uthmeier has made clear he'll take them to court.
What Your Kids' School Cafeteria Has to Do With This
The investigation isn't just about restaurants and grocery stores.
State officials are specifically tracking whether bromated flour reached K-12 school cafeterias across Florida.
Children are more vulnerable to chemical mutagens than adults because their cells divide faster – meaning a genotoxic compound hits developing bodies harder.
"Potassium bromate is a genotoxic compound that directly damages cellular DNA," said Dr. Kristine Zonka, a family nurse practitioner with the Florida Department of Health in Brevard County. "Knowing whether bromated flour products were distributed into pre-K through 12th-grade school cafeterias across Florida is a critical public health priority."
Surgical oncologist Dr. Dan Cohen put the broader picture in plain terms: nearly 40% of all cancers in American adults are linked to modifiable risk factors, including diet.
They're investigating what was actually inside the food that went into school kitchens while the FDA spent decades encouraging voluntary compliance.
The FDA Grandfathered a Carcinogen Into Your Food and Called It Policy
The FDA didn't approve potassium bromate after reviewing the cancer research.
They approved it before the Delaney clause – the federal rule that bans carcinogenic food additives – went into effect in 1958.
That means bromate got grandfathered in.
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When the cancer evidence piled up in the 1980s, the FDA faced an awkward legal problem: pulling a pre-1958 additive required a different, harder process than simply applying Delaney to a new chemical.
They punted and simply asked bakers nicely.
Some complied – most California bakers switched to alternatives after the state declared bromate a carcinogen under Proposition 65 in 1991, and California formally banned it starting in 2027.
But outside of California, the voluntary approach produced exactly what voluntary approaches always produce: spotty compliance, continued use, and zero accountability.
The food companies that kept using potassium bromate knew perfectly well which column the rest of the world put it in.
They made a calculation: it's cheaper to keep using it than to reformulate, the FDA isn't going to force the issue, and American consumers don't know to ask.
Uthmeier is blowing up that calculation.
His investigation is built on Florida's Deceptive and Unfair Trade Practices Act – the argument that selling a product containing a known carcinogen without disclosing that fact to buyers is fraud, not a regulatory technicality.
This is exactly what RFK Jr. and the MAHA agenda promised when Trump won in 2024 – that someone in government would finally start pulling the thread on what's been quietly slipped into the American food supply for decades.
If Florida's courts agree, it creates a template that every conservative AG in the country can copy – and a preview of what MAHA looks like when it actually has teeth.
Sources:
- Josh Frigerio, "Florida AG expands potassium bromate investigation, issues subpoena to food distributor," Fox 35 Orlando, October 16, 2026.
- Michelle Vecerina, "Florida AG James Uthmeier expands food safety probe, subpoenaing major distributor over cancer-linked additive," New York Post, October 16, 2026.
- Olivia Tyler, "Florida attorney general subpoenas food distributor over potassium bromate concerns," WFTV, October 16, 2026.
- "Potassium Bromate: 50 Years of Research Shows Serious Health Risks," US Right to Know, 2023.
- "About Bromate," King Arthur Baking Company, 2024.
- Center for Science in the Public Interest, "Consumer Group Calls for Ban on 'Flour Improver' Potassium Bromate," CSPI, 1999.
