UNDERSTANDING PHENYLKETONURIA (PKU)

Phenylketonuria phenylketonuria is a rare genetic disorder. It influences the body's power to break down an protein building block called phenylalanine. Typically, the liver makes an enzyme called phenylalanine hydroxylase, which converts phenylalanine into tyrosine. In individuals with PKU, this enzyme fails to function properly. As a result, phen