A recent investigation into breakfast cereals has found that popular brands, even those advertised as natural, may contain undisclosed toxins such as lead, arsenic, and pesticides. The study, conducted by the nonprofit Clean Label Project, tested 77 different cereal brands.

The findings indicate a surprising paradox: cereals made with cocoa, chocolate, or cacao contained more than double the amount of lead compared to those without these ingredients. Similarly, rice-based cereals showed 12 times more arsenic than cereals made from other grains. Wheat and oat-based cereals also had 2.5 times more acrylamide than corn or rice options.

Acrylamide, while its long-term health effects on humans are not fully understood, has been shown to cause cancer in animals at high doses. The study also detected glyphosate, a common herbicide, and other pesticides like methoxyfenozide, acetamiprid, and metalaxyl, which are frequently used on grain crops.

Interestingly, the study observed that cereals with higher amounts of added sugar and processed ingredients tended to have lower levels of these contaminants. This is likely because plant-based ingredients in more natural cereals can more readily absorb heavy metals from soil and pesticides used in farming.

While the Clean Label Project did not identify the cereals with the highest levels of contaminants, they did highlight four brands that met most criteria for ingredient quality and nutritional value: Arrowhead Mills Puffed Kamut, Lovebird Cinnamon O’s, Love Grown Power O’s, and Three Wishes Cinnamon. However, the report cautioned that low contaminant levels do not automatically equate to a healthy cereal, and nutritious cereals might still contain higher levels of toxins.

In a positive development, the study found no traces of bisphenol A (BPA) or bisphenol S (BPS) in any of the tested cereals, an improvement from previous findings. However, the presence of lead, arsenic, and various pesticides in widely consumed breakfast foods raises concerns about hidden toxins in everyday diets.