What are phenylketonurics in diet coke and why is there a warning?
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3 min read
According to the Food and Drug Administration (FDA), all newborns in the U.S. are screened for phenylketonuria (PKU), the rare inherited disorder that makes individuals known as phenylketonurics unable to properly process phenylalanine. This critical screening explains the warning label on Diet Coke and other diet products.