DL-Phenylalanine is the precursor to the neurotransmitters norepinephrine, epinephrine and dopamine.

The amino acid DL-Phenylalanine is the precursor to the neurotransmitters norepinephrine, epinephrine and dopamine. These neurotransmitters are involved in mood regulation, cognitive function as well as maintaining metabolism and energy levels. DL-Phenylalanine is also the precursor to the neurotransmitter PEA (phenylethylamine), which is also involved in mood and cognitive function.*

*This is a statement of nutritional support. This statement has not been evaluated by the Food & Drug Administration. This product is not intended to diagnose, treat, cure or prevent any diseases. Individual results may vary.