Mental Health Home > L-Tryptophan Supplements

As an amino acid, L-tryptophan (also known as tryptophan) is important for building proteins. The body also uses it to make:
Although it is found naturally in many foods, L-tryptophan can also be obtained through dietary supplements. These supplements are claimed to be useful for treating a variety of conditions, such as:
  • Depression
  • Anxiety
  • Premenstrual syndrome (PMS)
  • Attention deficit hyperactivity disorder (ADHD).
However, more research is needed to prove the effectiveness of L-tryptophan for these uses. In addition, there is some concern that the supplements are not safe for public consumption, as they may cause a dangerous condition known as eosinophilia-myalgia syndrome (EMS).
(For more detailed information on this supplement, including why it was briefly banned in the United States in the early 1990s, click L-Tryptophan.)
Written by/reviewed by:
Last reviewed by: Arthur Schoenstadt, MD
Last updated/reviewed:
List of references (click here):
Other Articles in This eMedTV Presentation

Topics & Medications


Related Channels

eMedTV Links
Copyright © 2006-2019 Clinaero, Inc.

eMedTV serves only as an informational resource. This site does not dispense medical advice or advice of any kind. Site users seeking medical advice about their specific situation should consult with their own physician. Click Terms of Use for more information.

This site complies with the HONcode standard for trustworthy health information:
verify here.