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It sounds like there should be warnings on the raw elements of protein powders, not just the powders, which makes me think (adjusts tinfoil hat to filter proper wavelengths) that the issue raised by the original article is more about FUD and selling their version of protein powder.

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Maybe, maybe not: there is not a lot of protein in rice, and it might be that whatever process is used to extract the protein from the rice also extracts most of the arsenic and that the process of making white rice (again, the kind most Americans eat) gets rid of most of the arsenic, making rice-protein powder much higher in arsenic than the same amount of calories of white rice.

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