What Does Excess Phenylalanine Do to the Body?
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6 min read
Affecting approximately 1 in 12,000 newborns in the United States, phenylketonuria (PKU) is a rare genetic disorder that is the most common cause of excess phenylalanine. When the body is unable to properly metabolize this amino acid, it can build up to toxic levels, damaging the brain and causing a host of other serious health issues.