L-phenylalanine is an essential amino acid used by cells to synthesize proteins. Because L-phenylalanine is an essential amino acid, it is not synthesized in the human body and must be supplied by dietary intake or supplementation.
L-phenylalanine is necessary for healthy function of the nervous system. This is because L-phenylalanine is utilized by the body to produce L-tyrosine, a biochemical precursor in the synthesis of the neurotransmitters, epinephrine, norepinephrine and dopamine, and the skin pigment melanin.
*NOTE: These statements have not been evaluated by the Food and Drug Administration.
This product is not intended to diagnose, treat, cure or prevent any disease.








