In the US, Tryptophan (tryptophan systemic) is a member of the following drug classes: miscellaneous anxiolytics, sedatives and hypnotics, nutraceutical products and is used to treat ADHD, Anxiety, Depression, Herbal Supplementation, Insomnia, Premenstrual Dysphoric Disorder and Smoking Cessation.
ATC (Anatomical Therapeutic Chemical Classification)
CAS registry number (Chemical Abstracts Service)
Proteinogenic amino acid
Precursor of serotonin
Treatment of insomnia
- L-Tryptophan (OS: JAN)
- Triptofano (OS: DCIT)
- Tryptophan (OS: USAN, BAN)
- Tryptophane (OS: DCF)
- L-Tryptophan (PH: JP XVI)
- Tryptophan (PH: BP 2016, Ph. Eur. 8, USP 38)
- Tryptophane (PH: Ph. Eur. 8)
- Tryptophanum (PH: Ph. Eur. 8)
Merck Serono, United Kingdom
Valeant Pharmaceuticals International, Canada
|BAN||British Approved Name|
|DCF||Dénomination Commune Française|
|DCIT||Denominazione Comune Italiana|
|JAN||Japanese Accepted Name|
|Rec.INN||Recommended International Nonproprietary Name (World Health Organization)|
|USAN||United States Adopted Name|
Click for further information on drug naming conventions and International Nonproprietary Names.
Important Notice: The Drugs.com international database is in BETA release. This means it is still under development and may contain inaccuracies. It is not intended as a substitute for the expertise and judgement of your physician, pharmacist or other healthcare professional. It should not be construed to indicate that the use of any medication in any country is safe, appropriate or effective for you. Consult with your healthcare professional before taking any medication.