Tryptophan is an amino acid that shows potential in addressing depression, anxiety, and sleep issues, among others.
What is Tryptophan and Where Can You Get It?

Tryptophan is an amino acid that shows potential in addressing depression, anxiety, and sleep issues, among others.
These types of amino acids generally absorb ultraviolet light. The side rings of these amino acids are actually determined as aromatic due to the number of electrons present in their side rings.