Why Is Excess Phenylalanine Bad? The Dangers of High Levels
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5 min read
Phenylketonuria (PKU), a rare inherited disorder affecting about 1 in every 10,000 to 15,000 newborns in the US, is the primary reason why excess phenylalanine is bad for one’s health. This condition prevents the body from properly processing the amino acid, leading to toxic levels that cause significant, often severe, neurological damage.