L-phenylalanine plays a key role in the synthesis of tyrosine, an amino acid that is required for synthesis of the neurotransmitters dopamine and norepinephrine, brain chemicals that are involved in supporting healthy mood and brain function.* Two double-blind comparative studies found that phenylalanine may be as effective as the antidepressant drug imipramine, and possibly work […]
L-phenylalanine plays a key role in the synthesis of tyrosine, an amino acid that is required for synthesis of the neurotransmitters dopamine and norepinephrine, brain chemicals that are involved in supporting healthy mood and brain function.* Two double-blind comparative studies found that phenylalanine may be as effective as the antidepressant drug imipramine, and possibly work more quickly.63,64
