L-tryptophan

L-tryptophan definition - medical

L-tryp·to·phan (ĕlˌtrĭpˈtə-fănˌ)

noun
An isomer of the amino acid tryptophan that is a precursor in the formation of serotonin and is used as a dietary supplement outside the US.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Comments
Improve this definition.
Do you have more to add? Share your linguistic knowledge or observation.
/Register to save your comments.