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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.
L-theanine also has the potential to sharpen your attention span and other cognitive capabilities, so taking it in the morning or during the day might work better for you if these are the effects ...
Nootropics (/ n oʊ. ə ˈ t r oʊ p ɪ k s / noh-ə-TROHP-iks or / n oʊ. ə ˈ t r ɒ p ɪ k s / noh-ə-TROP-iks; [1] but not / n j uː ˈ t r oʊ p ɪ k s / new-TROHP-iks or / n j uː ˈ t r ɒ p ɪ k s / new-TROP-iks, [1] which are common mispronunciations [citation needed]), colloquially brain supplements, smart drugs and cognitive enhancers, are natural, semisynthetic or synthetic ...
Alpha-GPC – L-alpha glycerylphosphorylcholine has been studied only in the context of cognitive performance alongside other substances such as caffeine. [29] 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 ...
The increased L-theanine content elicits the increased umami taste of gyokuro. [9] It also produces a calming effect which balances out the high caffeine content of gyokuro. [10] Studies on L-theanine indicate that it may also help reduce stress and anxiety and may have neuroprotective effects. [11] [12] [13]
Gabe Hauari, John Bacon and Jorge L. Ortiz, USA TODAY December 2, 2024 at 3:59 PM The first major lake effect snow pounded portions of the Northeast and Midwest this past weekend, with more in the ...
Dangerous side effects from the injectable canine drug Librela — used to treat osteoarthritis joint pain — have been linked to seizures, lameness and loss of muscle control, the FDA warned.
A number of the references provided reported either on the effects of food constituents (e.g. caffeine and catechins) other than L-theanine, on the effects of L-theanine in combination with other food constituents (e.g. caffeine), or on health outcomes (e.g. anxiety, mood, brain chemistry, brain ischaemia, theanine bioavailability, theanine ...