PKU EASY Microtabs Plus - Acceptability and Tolerance

Inclusion Criteria: * Diagnosis of PKU requiring an appropriate protein substitute * Subjects who are already taking an appropriate protein substitute and are willing to try the study product for 7 days * Subjects aged 3 years and above * Written informed consent obtained from subject or parent/legal guardian, depending on subject age Exclusion Criteria: * Presence of serious concurrent illness * Lead Dietitian's uncertainty about the willingness or ability of the patient to comply with the protocol requirements * Participation in any other studies involving investigational or marketed products concomitantly or within two weeks prior to entry into the study, with the exception of sapropterin * Any subject having taken antibiotics over the previous 2 weeks leading up to the study * Subjects less than 3 years of age