NOW Foods – L-Phenylalanine
Nervous System Support
Free-Form
L-Phenylalanine is an essential amino acid that is necessary for the synthesis of proteins. Because L-Phenylalanine can be readily converted into the amino acid tyrosine, which forms part of the structure of the neurotransmittters dopamine and norepinephrine, it is important for the maintenance of a healthy nervous system.
4 reviews for L-Phenylalanine, 500mg – 120 vcaps