Twinlab, L-Phenylalanine, 500 mg, 60 Capsules

• An Essential Amino Acid
• Promotes Nervous System Support
• Supports Positive Mood
• L-Phenylalanine is first converted to tyrosine, which becomes L-dopa, which converts to norepinephrine, a key neurotransmitter and an adrenal hormone

L-phenylalanine (LPA) featured in Twinlab L-Phenylalanine serves as a building block for the various proteins that are produced in the body. LPA can be converted to L-tyrosine and subsequently to L-dopa, norepinephrine, and epinephrine. LPA can also be converted to phenylethylamine, a substance that occurs naturally in the brain and appears to elevate mood.

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