A new report by the Clean Label Project has found that protein powders may contain something other than muscle-building nutrients: lead and cadmium, both of which are toxic.
The national nonprofit, which tests for various contaminants in products from wine and baby food to pet food and cleaning products, this time (like in 2018) focused on protein supplements—a $9.69 billion market in the U.S. as of 2023 that's expected to more than double by 2033.
