UNDERSTANDING PHENYLKETONURIA (PKU)

Phenylketonuria PK is a rare inherited condition. It affects the body's ability to process an amino acid called phenylalanine. Normally, the body makes an enzyme designated as phenylalanine hydroxylase, which converts phenylalanine into tyrosine. In people who have PKU, this enzyme is function properly. As a result, phenylalanine builds up in the c