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L-Theanine Powder

CAS Number 3081-61-6
Molar Mass 174.200 g·mol−1
Chemical Formula C7H14N2O3
IUPAC Name (2S)-2-Ammonio-5-(ethylamino)-5-oxopentanoate or N-Ethyl-L-glutamine


L-Theanine Powder is a dedicated research product meticulously crafted for scientific exploration, emphasizing its application in research and expressly excluding any connection to human consumption. This powdered form of L-Theanine serves as a valuable tool for researchers investigating its unique properties and potential benefits.

Key Characteristics

L-Theanine, an amino acid primarily found in tea leaves, possesses distinct pharmacological characteristics. Recognized for its ability to cross the blood-brain barrier, L-Theanine has become a focus of research due to its potential impact on cognitive function and stress modulation.

Research Applications

L-Theanine Powder finds versatile applications in research domains, providing researchers with a tool to explore its potential benefits. Its applications extend to investigations into working memory, focus, and stress and anxiety modulation.

Research Benefits

L-Theanine and Working Memory

Studies suggest that L-Theanine may positively influence working memory, potentially enhancing cognitive performance. Research in this domain aims to uncover its mechanisms and applications in addressing conditions related to working memory deficits.

L-Theanine and Focus

Preliminary research indicates that L-Theanine may have the potential to improve focus and attention. Investigations into its effects on neurotransmitter systems contribute to our understanding of its applications in enhancing cognitive focus.

L-Theanine on Stress and Anxiety

Research suggests that L-Theanine may have stress and anxiety-reducing effects. Studies exploring its impact on neurochemical pathways contribute to understanding its potential applications in stress and anxiety management.


L-Theanine Powder, developed exclusively for research purposes, provides researchers with a unique avenue for investigating its potential benefits in working memory enhancement, focus improvement, and stress and anxiety modulation. The distinctive characteristics of L-Theanine make it a promising subject for further exploration in neuroscientific and cognitive research.


  1. Baba Y, Inagaki S, Nakagawa S, Kaneko T, Kobayashi M, Takihara T. Effects of l-Theanine on Cognitive Function in Middle-Aged and Older Subjects: A Randomized Placebo-Controlled Study. J Med Food. 2021 Apr;24(4):333-341. doi: 10.1089/jmf.2020.4803. Epub 2021 Mar 22. PMID: 33751906; PMCID: PMC8080935. [Read More]
  2. Giesbrecht T, Rycroft JA, Rowson MJ, De Bruin EA. The combination of L-theanine and caffeine improves cognitive performance and increases subjective alertness. Nutr Neurosci. 2010 Dec;13(6):283-90. doi: 10.1179/147683010X12611460764840. PMID: 21040626. [Read More].
  3. L-Theanine Relieves Positive, Activation, and Anxiety Symptoms in Patients With Schizophrenia and Schizoaffective Disorder: An 8-Week, Randomized, Double-Blind, Placebo-Controlled, 2-Center Study
    Michael S. Ritsner, MD, PhD; Chanoch Miodownik, MD; Yael Ratner, MD; Tatyana Shleifer, MD; Maria Mar, MD; Leonid Pintov, MD; and Vladimir Lerner, MD, PhD. [Read More].


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