UNDERSTANDING PHENYLKETONURIA (PKU)

Phenylketonuria PKU is a rare genetic condition. It affects the body's capacity to break down an amino acid called phenylalanine. Typically, the body makes an enzyme known as phenylalanine hydroxylase, which converts phenylalanine into tyrosine. In people who have PKU, this enzyme lacks function properly. As a result, phenylalanine builds up in the