Phenylalanine is an essential aromatic amino acid that is a precursor of melanin, dopamine, noradrenalin (norepinephrine), and thyroxine.
L-phenylalanine may be helpful in some with depression. It may also be useful in the treatment of vitiligo. There is some evidence that L-phenylalanine may exacerbate tardive dyskinesia in some schizophrenic patients and in some who have used neuroleptic drugs.
Total Eye Care, PA, Memphis, Tennessee, United States
Global Research Management, Inc., Glendale, California, United States
Eye Research Foundation, Newport Beach, California, United States
Oral Health Research Institute, Indianapolis, Indiana, United States
Washington University School of Medicine, Saint Louis, Missouri, United States
Seoul National University Hospital, Seoul, Korea, Republic of
Seoul National University Hospital, Dept. of Clinical Pharmacology, Seoul, Korea, Republic of
Pfizer New Haven Clinical Research Unit, New Haven, Connecticut, United States
SGS Life Sciences - Clinical Pharmacology Unit Antwerpen, Antwerp, Belgium
Washington University School of Medicine, Saint Louis, Missouri, United States
GSK Investigational Site, Austin, Texas, United States
Marina Russo, Napoli, Italy
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