Best D-Phenylalanine 500 mg 60 Veggie Caps

• Dietary Supplement
• Vegan
• Non-GMO
• Gluten Free

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 enkephalins, which are naturally occurring substances In the body that belong to the class of compounds known as "endorphins."