Definition: 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.
Other names ratio Tryptophan; PMS Tryptophan; L Tryptophan ratiopharm; L Tryptophan; ratio-Tryptophan; esparma Brand of Tryptophan; Upsher-Smith Brand of Tryptophan; Tryptophan Metabolism Alterations; Tryptan; Tryptacin; Trofan; Ratiopharm Brand of Tryptophan; Pharmascience Brand of Tryptophan; PMS-Tryptophan; Optimax; Niddapharm Brand of Tryptophan; Naturruhe; Merck Brand of Tryptophan; Lyphan; Levotryptophan