Please enable JavaScript in your browser. 
Skip to main content
Drug Information Portal National Library of Medicine
Home
 
       Home    Substance
     
Result
PropertyValue
Drug Name: Tryptophan [USAN:INN] View Structure
Description: 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. 
Categories:



 
 
Site Map, Contact Us, Copyright, Privacy, Accessibility
U.S. National Library of Medicine, 8600 Rockville Pike, Bethesda, MD 20894
National Institutes of Health, Health & Human Services
Freedom of Information Act
Drug Information Portal Mobile Site
Last updated: Aug 2017
USA.gov