What is an Excessive Amount of Phenylalanine?
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3 min read
Newborn screening programs in many countries have made early detection of phenylketonuria (PKU), a disorder involving excessive phenylalanine, possible since the 1960s. For those with PKU, the inability to properly metabolize the amino acid phenylalanine leads to a buildup that can become toxic, especially to the brain. This guide breaks down what excessive phenylalanine means and why its management is so critical.
