L-Phenylalanine, an essential amino acid, is a precursor of the amino acid tyrosine and a whole series of neurotransmitters and hormones. L-Phenylalanine is also a direct precursor of PEA (phenylethylamine), another important neurotransmitter. Phenylalanine is an extremely important nutrient that must be obtained through the diet or by supplementation.
Nervous system supportS
Promotes positive mood
Supports and alert state
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