This is a powerful Dopamine Precursor - DL-phenylalanine. This helps increase the release of dopamine, norepinephrine, and epinephrine. This amino acid is also a precursor to PEA, a neuromodulator important for attention and cognition.
1000mg per capsule , 60/bottle
 
Research more here:
https://pubmed.ncbi.nlm.nih.gov/24782714/
https://www.montana.edu/attentionlab/documents/1_2014_Frontiers.pdf
https://pubmed.ncbi.nlm.nih.gov/26392380/