L-tryptophan
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About Our Definitions: All forms of a word (noun, verb, etc.) are now displayed on one page.L–tryp·to·phan
noun \ˈel-ˈtrip-tə-ˌfan\Definition of L-TRYPTOPHAN
: the levorotatory form of tryptophan that is a precursor of serotonin and was used formerly as a dietary supplement especially to promote sleep and relieve depression
First Known Use of L-TRYPTOPHAN
1949
L–tryp·to·phan
noun \ˈel-ˈtrip-tə-ˌfan\ (Medical Dictionary)Medical Definition of L–TRYPTOPHAN
: the levorotatory form of tryptophan that is a precursor of serotonin and was formerly used in some health food preparations in the belief that it promoted sleep and relieved depression—see eosinophilia-myalgia syndrome
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