Product Details
- 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."