UNDERSTANDING PHENYLKETONURIA (PKU)

Phenylketonuria phenylketonuria is a rare inherited disease. It affects the organism's ability to metabolize an amino acid called phenylalanine. Frequently, the organs produces an enzyme known as phenylalanine hydroxylase, which changes phenylalanine into tyrosine. In people who have PKU, this enzyme fails to function properly. As a result, phenyla