Breakfast cereals with kids’ favorite ingredient contain double the lead

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• Independent testing spots contaminants across 77 cereal brands
• Which cereals show higher levels of lead and arsenic?
• Acrylamide, a potential carcinogen, differs by grain
• Glyphosate and a range of pesticides were detected
• Why some highly processed cereals had fewer contaminants
• Improvements and persistent concerns
• Brands that met most quality criteria in the study
• Nutrition, contaminants and practical choices for families

A fresh round of lab tests reveals that many breakfast cereals popular with children contain hidden contaminants. The findings force families to weigh convenience and nutrition against less-visible risks from heavy metals and farm chemicals.

Independent testing spots contaminants across 77 cereal brands

An independent nonprofit laboratory analyzed 77 cereal products. The sample included sugary classics and cereals branded as healthier. Tests looked for heavy metals, pesticide residues and other processing chemicals.

• Number of brands tested: 77
• Types of tests: heavy metals, pesticides, acrylamide, and herbicides

Which cereals show higher levels of lead and arsenic?

Flavorings and grain choice appeared linked to specific contaminants. Cereals with cocoa, chocolate or cacao showed notably higher lead levels.

• Cocoa-based cereals averaged more than twice the lead found in non-cocoa varieties.
• Rice-based cereals carried far more arsenic than other grain types.

Specifically, rice-based items had about 12 times the arsenic levels compared with cereals made from other grains. Cocoa products contained over two times the lead of non-cocoa options.

Acrylamide, a potential carcinogen, differs by grain

Acrylamide forms during high-heat processing. The results varied by grain source.

• Cereals made with wheat or oats had roughly 2.5 times the acrylamide of rice or corn-based products.
• Researchers note animal studies link high doses of acrylamide to cancer, though human risks remain under study.

Glyphosate and a range of pesticides were detected

Herbicides and insecticides showed up in many samples. One herbicide in particular stood out.

• Glyphosate: widely present. Four products accounted for about 81% of the total glyphosate load in the tested group.
• Other pesticides found included chlormequat, methoxyfenozide, acetamiprid and metalaxyl.

Some chemicals, like chlormequat, have already prompted regulatory inquiries when previously detected in major brands.

Why some highly processed cereals had fewer contaminants

Surprisingly, the sweetest, most processed cereals often showed lower levels of those farm-related contaminants.

• These products rely more on refined sugars and additives than on whole plant ingredients.
• Plant-derived ingredients can carry more heavy metals and pesticide residues through soil and crop treatment.

That doesn’t make sugary cereals healthier. It only reflects how contaminants enter the food chain.

Improvements and persistent concerns

The testing showed a positive change on one front: no bisphenol A (BPA) or bisphenol S (BPS) was detected in these products. That marks progress compared with earlier rounds of testing.

Brands that met most quality criteria in the study

While the report didn’t publish a headline “worst” list, it did highlight several cereals that passed many of the project’s benchmarks for ingredient quality and nutrition.

• Arrowhead Mills Puffed Kamut
• Lovebird Cinnamon O’s
• Love Grown Power O’s
• Three Wishes Cinnamon

Nutrition, contaminants and practical choices for families

Low contamination does not equal high nutrition. And nutrient-rich cereals can still carry pesticides or heavy metals.

• Check labels for fiber and sugar content.
• Consider grain type: rice-based often show higher arsenic; cocoa can mean more lead.
• Buy trusted brands and look for independent test results when available.

Parents should balance nutrition needs, ingredient lists and any available contamination data when choosing a cereal.