About L-Tyrosine L-Tyrosine is a non-essential amino acid that is also known as “L-phenylalanine”. L-Tyrosine is used to treat a variety of medical conditions such as depression, mood disorders, and some forms of insomnia. It’s found in animal protein, but it can also be manufactured synthetically. In addition to the treatment of medical conditions, L-Tyrosine … Continue reading L-Tyrosine: Is L Tyrosine Good for Anxiety and Depression?