Source Naturals

Source Naturals L-Phenylalanine Powder

3.53 oz (100 g)

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  • Regular price $20.65
  • Will be in stock after

UPC 021078001584

Special Order Item - Usually ships in 1-5 days


L-Phenylalanine, an essential amino acid, is a precursor of the amino acid tyrosine, as well as for a whole series of neurotransmitters and hormones. Phenylalanine is first converted to tyrosine, which becomes L-dopa, which then converts to norepinephrine, a key neurotransmitter and an adrenal hormone. L-Phenylalanine is also a direct precursor of PEA (Phenylethylamine), another important neurotransmitter.