Doctor's Best D-Phenylalanine, 500mg - 60 vcaps

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 an 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 functionIngredientsD-Phenylalanine 500 mg, Modified cellulose (vegetarian capsule), cellulose, magnesium stearate (vegetable source) Country of Origin: UK Manufacturer/Importer/Packed By: SuperfoodUK