UNDERSTANDING PHENYLKETONURIA (PKU)

Phenylketonuria PKU is a rare genetic disease. It affects the body's capacity to process an amino acid called phenylalanine. Typically, the liver produces an enzyme known as phenylalanine hydroxylase, which changes phenylalanine into tyrosine. In individuals with PKU, this enzyme lacks function properly. As a result, phenylalanine builds up in the