What is the alternative sweetener that people with PKU must avoid?
                                
                                
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                                    3 min read                                
                            
                                According to the Mayo Clinic, newborns in the United States and many other countries are routinely screened for Phenylketonuria (PKU), a rare genetic metabolic disorder. Individuals with this condition must adhere to a strict diet, and a crucial part of that is understanding what is the alternative sweetener that people with PKU must avoid.