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2. 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 ...

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

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

   L-theanine supplements could interact with some anti-anxiety, blood-pressure, and sleep meds. Side effects include headaches, dizziness, nausea, and jitteriness.

4. 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 ...

5. List of drugs banned by the World Anti-Doping Agency

   en.wikipedia.org/wiki/List_of_drugs_banned_by...

   Blood doping is the injection of red blood cells, related blood products that contain red blood cells, or artificial oxygen containers. This is done by extracting and storing one's own blood prior to an athletic competition, well in advance of the competition so that the body can replenish its natural levels of red blood cells, and subsequently injecting the stored blood immediately before ...

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

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

   L-theanine is an amino acid, a.k.a. a molecule that helps build protein in the body. It’s often talked about as being found in green tea, but it's also present in other herbal brews such as ...

7. 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.

8. Caffeine - Wikipedia

   en.wikipedia.org/wiki/Caffeine

   The US Food and Drug Administration (FDA) considers safe beverages containing less than 0.02% caffeine; [291] but caffeine powder, which is sold as a dietary supplement, is unregulated. [292] It is a regulatory requirement that the label of most prepackaged foods must declare a list of ingredients, including food additives such as caffeine, in ...

9. Convention on Psychotropic Substances - Wikipedia

   en.wikipedia.org/wiki/Convention_on_Psychotropic...

   Some psychotropic substances such as nicotine, myristicin, ephedrine, mitraginyne, salvinorin A, arecoline, theophylline, theobromine, kava, khat, tobacco, L-theanine, or caffeine (in moderate amounts) or in moderate and responsible consumption, or alcoholic drinks (in small amounts or limited consumption) do not produce any measurable symptoms ...