DL-Phenylalanine (DLPA) is an essential amino acid supplement, a synthetic phenylalanine. DLPA is a mixture of two forms of the essential amino acid phenylalanine, the naturally occurring L-phenylalanine and the synthetic D-phenylalanine with nootropic effect.
Phenylalanine is a neutral, non-polar amino acid that plays a crucial role in many functions within the body. One of those functions is to produce tyrosine, a major component for synthesizing hormones. Phenylalanine also produces neurotransmitters in the body, including epinephrine, dopamine, and norepinephrine.
Phenylalanine is a natural amino acid and found in many protein-rich foods. Such as chicken, milk and eggs