One lab that regularly tests for heavy metals, albeit in dietary supplements rather than spices, is ConsumerLab [0]. Their detailed findings are behind a paywal

One lab that regularly tests for heavy metals, albeit in dietary supplements rather than spices, is ConsumerLab [0]. Their detailed findings are behind a paywall, which is unfortunate, but probably necessary for them to provide the service. And there is little public funding in the US for testing food for heavy metals. [0] https://www.consumerlab.com/ https://www.consumerlab.com/