UNDERSTANDING PHENYLKETONURIA (PKU)

Phenylketonuria phenylketonuria is a rare inherited disease. It impacts the organism's power to break down an amino acid called phenylalanine. Normally, the organs produces an enzyme designated as phenylalanine hydroxylase, which converts phenylalanine into tyrosine. In people who have PKU, this enzyme fails to function properly. As a result, pheny