L-Tryptophan Plus is the most vital supplement to use for dealing with all types of stress-related issues since it produces a calming effect on the entire body, and even helps suppress pain. L-Tryptophan is THE crucial amino acid to help the body stabilize and calm down. It fights depression, anxiety, insomnia, restlessness, and irritability. In addition, L-Tryptophan can work as a key part of a natural weight management program to fight obesity and bulimia. 60 Capsules.