DL-Phenylalanine plays a key role in the biosynthesis of tyrosine and helps form some of the neurotransmitters that work in the mood centers of the brain.* DL-Phenylalanine is an essential amino acid that cannot be made by the body and must be obtained from food.* Amino acids are considered the building blocks of protein and are necessary for life.*
*  Note: Unless otherwise noted, this product has not been evaluated by the Food and Drug Administration. Our natural products are not intended to diagnose, treat, cure, or prevent any disease.