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

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

   L-theanine is a compound found in tea that has been touted for benefits in stress relief. Here's what to know about its benefits, risks, and supplementation.

3. The Best Tea for Better Brain Health, According to Dietitians

   www.aol.com/lifestyle/best-tea-better-brain...

   One factor may be the presence of L-theanine, an amino acid naturally found in the leaves of green tea. L-theanine has been associated with improvements in anxiety and may improve stress resilience.

4. 30 of the Best Brain Supplements for Adults - AOL

   www.aol.com/entertainment/30-best-brain...

   This supplement contains natural ingredients such as caffeine, l-theanine and rhodiola rosea, which work together to improve brain function. Additionally, Peak Performance Alpha Day is designed ...

5. Theanine - Wikipedia

   en.wikipedia.org/wiki/Theanine

   Theanine / ˈ θ iː ən iː n /, commonly known as L-theanine and sometimes L-gamma-glutamylethylamide or N 5-ethyl-L-glutamine, is an amino acid analogue of the proteinogenic amino acids L-glutamate and L-glutamine. It is produced by certain plants such as Camellia sinensis (the tea plant), and by some fungi.

6. Caffeine - Wikipedia

   en.wikipedia.org/wiki/Caffeine

   A systematic review and meta-analysis from 2014 found that concurrent caffeine and L-theanine use has ... disease and dementia is ... 2–10 mg/L in coffee drinkers ...

7. 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. [34] 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 ...