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2. What You Should Know Before Taking a L-Theanine ... - AOL

   www.aol.com/know-taking-l-theanine-supplement...

   Tea's combination of caffeine and L-theanine can give you a calm yet alert mental state that could help boost productivity and effectiveness,” Ingram explains, citing a 2021 study on caffeine ...

3. The Exact Right Time to Take L-Theanine - AOL

   www.aol.com/lifestyle/exact-time-l-theanine...

   Spend any time on social media, and you’ll see scores of folks singing the praises of L-theanine, a supplement that many users claim is a magic bullet for reducing stress and anxiety — fast ...

4. These nonalcoholic drinks claim to give you a boost without ...

   www.aol.com/lifestyle/nonalcoholic-drinks-claim...

   L-theanine, found in Spritz Italiano, Purple Lune, Tres Rosé and Golden Hour, is known for its relaxing effects, while lion’s mane is purported to support cognitive function.

5. Theanine - Wikipedia

   en.wikipedia.org/wiki/Theanine

   The name theanine usually refers to the enantiomer L-theanine, which is the form found in tea leaves from which it is extracted as a powder. [4] [6] The right-handed enantiomer, D-theanine, is less-studied. Theanine is sold as a dietary supplement and is considered to be safe at doses up to 250 milligrams (mg) by the US Food and Drug ...

6. Nootropic - Wikipedia

   en.wikipedia.org/wiki/Nootropic

   Alpha-GPC – L-alpha glycerylphosphorylcholine has been studied only in the context of cognitive performance alongside other substances such as caffeine. [35] Choline bitartrate – Choline bitartrate is a tartaric acid salt containing choline (41% choline by molecular weight). One meta-analysis found choline bitartrate to be ineffective at ...

7. Dosage (pharmacology) - Wikipedia

   en.wikipedia.org/wiki/Dosage_(pharmacology)

   Dosage typically includes information on the number of doses, intervals between administrations, and the overall treatment period. [3] For example, a dosage might be described as "200 mg twice daily for two weeks," where 200 mg represents the individual dose, twice daily indicates the frequency, and two weeks specifies the duration of treatment.

8. List of substances used in rituals - Wikipedia

   en.wikipedia.org/wiki/List_of_substances_used_in...

   Leaves: 1.73–3.48 % caffeine. [60] Theanine: Stimulant: A ritual use by the Quechua people involves drinking guayusa infusion to have foretelling dreams for successful hunting expeditions. [61] Ilex guayusa is used in ayahuasca admixtures for its healing powers. [62] Kava: Piper methysticum: Root: [63] 3-20% kavalactones: Depressant

9. Theanine hydrolase - Wikipedia

   en.wikipedia.org/wiki/Theanine_hydrolase

   In enzymology, a theanine hydrolase (EC 3.5.1.65) is an enzyme that catalyzes the chemical reaction N 5 -ethyl-L-glutamine + H 2 O ⇌ {\displaystyle \rightleftharpoons } L-glutamate + ethylamine Thus, the two substrates of this enzyme are N 5 -ethyl-L-glutamine and H 2 O , whereas its two products are L-glutamate and ethylamine .