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I think to be complete this report needs to compare the levels of heavy metals found in the protein powders to levels found in regular foods like peas or brown

I think to be complete this report needs to compare the levels of heavy metals found in the protein powders to levels found in regular foods like peas or brown rice, since that's where the metals are coming from. Is there some reason to believe that the protein isolation process would tend to concentrate heavy metals to a higher degree than is found in the source foods?

loeg 2y ago
It’s just coming from the source foods, yes, and Americans already eat these minute quantities of heavy metals on a regular basis from other sources. This paper makes some attempt to put the numbers in context: https://pmc.ncbi.nlm.nih.gov/articles/PMC7509468/ https://pmc.ncbi.nlm.nih.gov/articles/PMC7509468/