UNDERSTANDING PHENYLKETONURIA (PKU)

Phenylketonuria PKU is a rare genetic disease. It affects the body's capacity to metabolize an amino acid called phenylalanine. Frequently, the organs makes an enzyme called 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