UNDERSTANDING PHENYLKETONURIA (PKU)

Phenylketonuria PKU is a rare hereditary disorder. It affects the body's ability to process an protein building block called phenylalanine. Typically, the body produces an enzyme known as phenylalanine hydroxylase, which changes phenylalanine into tyrosine. In people who have PKU, this enzyme is function properly. As a result, phenylalanine builds