Superfund Research Program

February 2021

Edible nutrient-amended sorbents can reduce bioavailability and toxicity of per- and polyfluoroalkyl substances (PFAS) ingested via contaminated water and food, found NIEHS grantees. Clay-based sorbents bind toxins in the stomach and intestine, thereby reducing exposure. Here, the researchers tested whether adding the common nutrients carnitine and choline to a clay-based sorbent would enhance PFAS adsorption.

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