Health Library
The Health Library is a collection of health and wellness resources created for learning and accessibility. Select a topic below for related health information or search for a topic in the search bar for more information on other medical conditions.
Phenylketonuria (PKU)
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Phenylketonuria (PKU) is a rare genetic disorder in which the body cannot break down an amino acid called phenylalanine (say "fehn-uhl-AL-uh-neen"), which is a part of protein. This substance is found in breast milk, many types of baby formula, and...
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A low-protein diet is the main treatment for phenylketonuria (PKU). This is because people who have PKU lack an enzyme to properly process the amino acid phenylalanine, a part of protein. Phenylalanine is present in all protein foods and in some...