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> Now Vitamins - Phenylalanine 500Mg 120 Caps
Now Vitamins - Phenylalanine 500Mg 120 Caps
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.
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