L-Phenylalanine 500mg 120 Caps, NOW Foods

L-Phenylalanine is an essential, nine-carbon amino acid and is a precursor to the amino acid tyrosine. Because tyrosine is necessary for the synthesis of proteins and the production of the neurotransmitters dopamine and norepinephrine, phenylalanine is an extremely important nutrient that must be obtained through the diet or supplementation.

Supplement Facts
Serving Size: 1 Capsule
Amount Per Serving % Daily Value
L-Phenylalanine 500 mg

Suggested Use:
As a dietary supplement, take 1 L-Phenylalanine capsule, 1 to 3 times a day as needed, preferably between meals.

Free of: sugar, salt, starch, yeast, wheat, gluten, corn, soy, egg, milk or preservatives.
Other Ingredients: Gelatin (capsule).

Warnings: Persons with high blood pressure should consult a physician before using.