NOW L-Phenylalanine 500mg 60vcap Immunity ask a health professional before

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Because they're essential

due to over-processing of our food supply and other factors

NOW L-Phenylalanine 500mg 60vcap Immunity ask a health professional beforeNOW Foods 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. Features: An essential amino acid and precursor to L Tyrosine which is necessary in the synthesis of proteins and some