1.L-Tryptophan is a naturally occurring amino-acid.
2.L-Tryptophan is a precursor for the mood-regulating serotonin the brain neurotransmitter linked with pleasure and fulfilment.
3.L-Tryptophan is used to alleviate depression, support alcohol withdrawal and to aid weight loss. It plays an important role in our diets, and aging individuals are often in need of it as a supplement.