- 500 mg
L-Phenylalanine is an essential amino acid that is necessary for the synthesis of proteins.* Because L-Phenylalanine can be readily converted into the amino acid tyrosine, which forms part of the structure of the neurotransmittters dopamine and norepinephrine, it is important for the maintenance of a healthy nervous system.*NOW L-Phenylalanine 500 mg
Natural color variation may occur in this product.
Settling of powder may occur in the capsule, which is filled by weight without added fillers.
Take 1 capsule 1 to 3 times daily as needed, preferably between meals.
Store in a cool, dry place after opening.
For adults only. Consult physician if pregnant/nursing, taking medication, or have a medical condition [e.g. high blood pressure or phenylketonuria (PKU)}.