UNDERSTANDING PHENYLKETONURIA (PKU)

Phenylketonuria PK is a rare inherited disorder. It affects the body's power to metabolize an amino acid called phenylalanine. Frequently, the body produces an enzyme called phenylalanine hydroxylase, which changes phenylalanine into tyrosine. In individuals with PKU, this enzyme is function properly. As a result, phenylalanine builds up in the blo