UNDERSTANDING PHENYLKETONURIA (PKU)

Phenylketonuria PK is a rare hereditary disorder. It influences the body's ability to break down an amino acid called phenylalanine. Typically, the liver produces an enzyme called phenylalanine hydroxylase, which transforms phenylalanine into tyrosine. In people who have PKU, this enzyme fails to function properly. As a result, phenylalanine builds