Organic chocolate is often regarded as a more responsible product because it is supposedly better for people, better for farmers and better for the environment. So it's no surprise that I tend to choose organic chocolate products.
However, reading the 2024 study in the journal Frontiers in Nutrition raised an unexpected concern. In this study, researchers tested 72 cocoa products purchased in the U.S. from 2014 to 2022.
Research showed that 43% of these products exceeded California’s Proposition 65 limit for lead, and 35% exceeded the corresponding limit for cadmium. The median lead and cadmium levels were below the respective limits, but there were some products with much higher levels.
What I found interesting, however, was that the organic products were found to contain more cadmium than regular products in some tests.
Both lead and cadmium can be harmful to the nervous system and brain, especially with long-term exposure, and can affect children’s brain development and learning. Cadmium can also build up in the body over time and affect the kidneys and bones. Both are toxic heavy metals.
The study found organic products were associated with higher levels of lead and cadmium per gram in some of the analyses. This doesn't mean that eating organic chocolate is dangerous or that every organic product will contain higher levels of these metals. But it does remind me to think more carefully about the assumption that more money is spent on a reassuring label that it must be better for me.
We are constantly told to purchase organic, eco-friendly, Fairtrade, or sustainable products. But when all of these labels don't tell us what a product actually contains, what exactly are we paying for?
I find this interesting and important because it shows how easy it is to associate labels with very specific properties that those labels don't necessarily guarantee.
Perhaps we should be a little more cautious or sceptical about the idea that a more expensive product with an impressive label is always a better product.
The reason is that sometimes we're buying more of a product's story than the product itself. This is something I think we should all keep in mind when making purchasing decisions.
References
McCarthy, K., et al. (2024). Lead and cadmium in cocoa products: A comprehensive analysis of contamination and potential exposure. Frontiers in Nutrition, 11, 1366231. https://doi.org/10.3389/fnut.2024.1366231
Consumer Reports. (2022). Lead and cadmium in dark chocolate. https://www.consumerreports.org/health/food-safety/lead-and-cadmium-in-dark-chocolate-a8480295550/
