D-Phenylalanine is the constructed dextro isomer of phenylalanine, an capital amino acid with anti-depressant and analgesic activities. D-Phenylalanine is adapted into tyrosine and tyrosine in about-face is adapted into L-dopa, norepinephrine, and epinephrine, three key neurotransmitters. As a aftereffect this abettor is associated with animated levels of the neurotransmitters dopamine and norepinephrine in the brain, which may allay affection of depression. In addition, as an inhibitor of enkephalinase, which metabolizes endorphins, D-phenylalanine may be acclimated to amusement abiding affliction through blocking the breach down of endorphins (natural affliction killers).
L-phenylalanine (LPA) serves as a architecture block for the assorted proteins that are produced in the body. LPA can be adapted to L-tyrosine (another amino acid) and after to L-dopa, norepinephrine, and epinephrine. LPA can aswell be adapted (through a abstracted pathway) to phenylethylamine, a actuality that occurs by itself in the academician and appears to drag mood.