Tryptophan

Ardeydorm; Ardeypharm Brand of Tryptophan; Ardeytropin; ICN Brand of Tryptophan; Kalma Brand of Tryptophan; L-Tryptophan; L-Tryptophan-ratiopharm; Levotryptophan; Lyphan; Merck Brand of Tryptophan; Naturruhe; Niddapharm Brand of Tryptophan; Optimax
An essential amino acid that is necessary for normal growth in infants and for NITROGEN balance in adults. It is a precursor of INDOLE ALKALOIDS in plants. It is a precursor of SEROTONIN (hence its use as an antidepressant and sleep aid). It can be a precursor to NIACIN, albeit inefficiently, in mammals.

Foods high in Tryptophan