DL-Phenylalanine is a mix of two forms of phenylalanine amino acids, essential for protein metabolism and neurotransmitters production. This amino acid mix is also important for hormones, responsible for your mood, stress regulation, and brain work.

About this product

L-Phenylalanine is an amino acid that participates in protein production. It's a precursor of tyrosine, dopamine, adrenaline, and norepinephrine neurotransmitters. L-Phenylalanine plays an integral role in the function of proteins and enzymes.

What does the research say?

L-Phenylalanine could support the work of your neurotransmitters and boost your thinking speed

Source: National Library of Medicine: Dopamine: Functions, Signaling, and Association with Neurological Diseases

L-Phenylalanine may help you improve your sleep routine and normalize your sleep cycles

Source: Phenylketonuria News: Phenylketonuria and Sleep.

L-Phenylalanine is possibly effective for affecting your hormones and regulating your mood

Source: National Library of Medicine: Effects on mood of acute phenylalanine/tyrosine depletion in healthy women