The genetic condition phenylketonuria (PKU) is the inability to metabolize phenylalanine as a result of a lack of the enzyme phenylalanine hydroxylase. Men and women with this condition are generally known as "phenylketonurics" and will have to control their intake of phenylalanine. just an fyi about Unwanted side effects, some https://remingtonuweku.bloguetechno.com/helping-the-others-realize-the-advantages-of-dihexa-peptide-65842364