Increase in tissue serotonin following administration of its precursor 5-hydroxytryptophan.
D006916:5-Hydroxytryptophan; D012701:Serotonin / Q000378:metabolism*; D014364:Tryptophan / Q000031:analogs & derivatives
D012701:Serotonin; D014364:Tryptophan; D006916:5-Hydroxytryptophan
SEROTONIN/metabolism; TRYPTOPHAN/related compounds