Doctor's Best  D-Phenylalanine Perspective: Main

Doctor's Best D-Phenylalanine

500 mg - 60 Veggie CapsUPC: 0075395000110
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D-phenylalanine is a non-protein amino acid related to the essential amino acid L-phenylalanine. D-and L-phenylalanine are structural mirror images of each other. A small amount of D-phenylalanine may be converted to L-phenylalanine in the body. D-phenylalanine is reported to inhibit and enzyme that degrades enkaphalins, which are naturally occurring substances in the body that belong to the class of compounds known as "endorphins."

Helps support healthy mood

Helps inhibit the degradation of endorphins

Help support neurotransmitter function