theanine
noun
the·a·nine ˈthē-ə-ˌnēn 
variants or L-theanine
ˈel-ˈthē-ə-ˌnēn
: an amino acid C7H14N2O3 found especially in green tea and used as a dietary supplement
Green tea, which is rich in a depression-fighting amino acid called theanine, has previously been lauded for its health benefits.
Camilla Turner
Camilla Turner
Example Sentences
Recent Examples on the Web Pepsi chose to use l-theanine, a workhorse ingredient in relaxation drinks. Elizabeth Lopatto, The Verge, 13 Jan. 2021 De Soi Golden Hour, which contains L-theanine and maca, is a lively early evening pick-me-up, while Purple Lune, with gentian, ashwagandha, and green tea is a stilling and potent digestif. Tamar Adler, Vogue, 18 Aug. 2022 There was none in sight, only ample adaptogens, like L-theanine, the neurotransmitters GABA and 5-HTP (a precursor to the happy hormone: serotonin), and nearly as much caffeine as an espresso. Tamar Adler, Vogue, 18 Aug. 2022 An amino acid concentrated in certain teas (such as green tea), L-theanine has been shown to promote alpha brain waves, which are the same relaxing waves that occur during meditation. Amy Capetta, Woman's Day, 19 May 2022 In the past, my veterinarian recommended L-theanine supplements for anxiety and glucosamine chewable for joint pain. Cathy M. Rosenthal, San Antonio Express-News, 14 July 2022 Also making an appearance in CBD Sleep Tight Gummies are L-theanine and 5-hydroxytryptophan to more efficiently lull you into a deep, restful sleep. The Salt Lake Tribune, 28 June 2022 These gummies also contain vitamin B12 and L-theanine for smooth energy enhancement without a harsh comedown later. The Salt Lake Tribune, 17 June 2022 Its illuminating complex combines golden silk essence, Japanese pearl and theanine to combat the damage that comes with dry skin. Grooming Playbook, The Salt Lake Tribune, 26 May 2022 See More
Elizabeth Lopatto, The Verge, 13 Jan. 2021 De Soi Golden Hour, which contains L-theanine and maca, is a lively early evening pick-me-up, while Purple Lune, with gentian, ashwagandha, and green tea is a stilling and potent digestif. Tamar Adler, Vogue, 18 Aug. 2022 There was none in sight, only ample adaptogens, like L-theanine, the neurotransmitters GABA and 5-HTP (a precursor to the happy hormone: serotonin), and nearly as much caffeine as an espresso. Tamar Adler, Vogue, 18 Aug. 2022 An amino acid concentrated in certain teas (such as green tea), L-theanine has been shown to promote alpha brain waves, which are the same relaxing waves that occur during meditation. Amy Capetta, Woman's Day, 19 May 2022 In the past, my veterinarian recommended L-theanine supplements for anxiety and glucosamine chewable for joint pain. Cathy M. Rosenthal, San Antonio Express-News, 14 July 2022 Also making an appearance in CBD Sleep Tight Gummies are L-theanine and 5-hydroxytryptophan to more efficiently lull you into a deep, restful sleep. The Salt Lake Tribune, 28 June 2022 These gummies also contain vitamin B12 and L-theanine for smooth energy enhancement without a harsh comedown later. The Salt Lake Tribune, 17 June 2022 Its illuminating complex combines golden silk essence, Japanese pearl and theanine to combat the damage that comes with dry skin. Grooming Playbook, The Salt Lake Tribune, 26 May 2022 See More Word History
First Known Use
1950, in the meaning defined above