Theanine: The Unique Amino Acid in the Tea Plant as an Oral Hepatoprotective Agent | May 2017

Articles

NCBI>Asia Pacific Journal of Clinical Nutrition

https://pubmed.ncbi.nlm.nih.gov/28429900/

L-Theanine: A Unique Functional Amino Acid in Tea (Camellia Sinensis L.) with Multiple Health Benefits and Food Applications | April 2022

Articles

Frontiers in Nutrition

https://www.frontiersin.org/articles/10.3389/fnut.2022.853846/full

The Effects of L-Theanine (Suntheanine) on Objective Sleep Quality in Boys with Attention Deficit Hyperactivity Disorder (ADHD): A Randomized, Double-Blind, Placebo-Controlled Clinical Trial | November 2011

Articles

NCBI>Alternative Medicine Review

https://www.ncbi.nlm.nih.gov/pubmed/22214254

L-Theanine, a Natural Constituent in Tea, and Its Effect on Mental State | January 2008

Articles

NCBI>Asia Pacific Journal of Clinical Nutrition

https://www.ncbi.nlm.nih.gov/pubmed/18296328

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 | November 2010

Abstracts

Journal of Clinical Psychiatry

https://doi.org/10.4088/jcp.09m05324gre

Effect of a Combination of Magnesium, B Vitamins, Rhodiola, and Green Tea (L-Theanine) on Chronically Stressed Healthy Individuals: A Randomized, Placebo-Controlled Study | April 2022

Articles

Nutrients

https://www.mdpi.com/2072-6643/14/9/1863

Cystine and Theanine: Amino Acids as Oral Immunomodulative Nutrients | November 2013

Articles

SpringerPlus

https://springerplus.springeropen.com/articles/10.1186/2193-1801-2-635

Theanine and Caffeine Content of Infusions Prepared from Commercial Tea Samples | February 2016

Articles

Pharmacognosy Magazine

http://www.phcog.com/text.asp?2016/12/45/75/176061

Effects of Green Tea Catechins and Theanine on Preventing Influenza Infection among Healthcare Workers: A Randomized Controlled Trial | February 2011

Articles

BMC Complementary and Alternative Medicine

https://bmccomplementalternmed.biomedcentral.com/articles/10.1186/1472-6882-11-15

Effects of L-Theanine on Cognitive Function in Middle-Aged and Older Subjects: A Randomized Placebo-Controlled Study | April 2021

Articles

Journal of Medicinal Food

https://www.liebertpub.com/doi/10.1089/jmf.2020.4803

L-Theanine Prevents Progression of Nonalcoholic Hepatic Steatosis by Regulating Hepatocyte Lipid Metabolic Pathways via the CaMKKB-AMPK Signaling Pathway | April 2022

Articles

Nutrition and Metabolism

https://nutritionandmetabolism.biomedcentral.com/articles/10.1186/s12986-022-00664-6

Effects of Acute Caffeine, Theanine and Tyrosine Supplementation on Mental and Physical Performance in Athletes | November 2019

Articles

Journal of the International Society of Sports Nutrition

https://jissn.biomedcentral.com/articles/10.1186/s12970-019-0326-3

Prevention of Brain Aging by Green Tea Components: Role of Catechins and Theanine | May 2016

Articles

Journal of Physical Fitness and Sports Medicine

http://doi.org/10.7600/jpfsm.5.117

The Effect of L-Theanine Supplementation on the Immune System of Athletes Exposed to Strenuous Physical Exercise | February 2019

Articles

Journal of the International Society of Sports Nutrition

https://jissn.biomedcentral.com/articles/10.1186/s12970-019-0274-y

Effect of Combined Ingestion of L-Theanine and L-Arginine for Short-Term Psychological Stress in Young Adults: A Randomized Placebo-Controlled Study | December 2022

Articles

Journal of Nutritional Science and Vitaminology

https://doi.org/10.3177/jnsv.68.540

Effects of Chronic L-Theanine on Stress-Related Symptoms and Cognitive Function in a Non-Clinical Population: A Randomized Controlled Trial (Meetings-Events) | June 2019

Abstracts

Current Developments in Nutrition

https://doi.org/10.1093/cdn/nzz031.P06-106-19

Effects of Oral Supplementation with Cystine and Theanine on the Immune Function of Athletes in Endurance Exercise: Randomized, Double-Blind, Placebo-Controlled Trial | April 2009

Articles

Bioscience, Biotechnology, and Biochemistry

http://doi.org/10.1271/bbb.80663

L-Theanine and Caffeine Improve Sustained Attention, Impulsivity and Cognition in Children with Attention Deficit Hyperactivity Disorders by Decreasing Mind Wandering (Meetings-Events) | June 2019

Abstracts

Current Developments in Nutrition

https://doi.org/10.1093/cdn/nzz031.OR29-04-19

Oral Administration of the Amino Acids Cystine and Theanine Attenuates the Adverse Events of S-1 Adjuvant Chemotherapy in Gastrointestinal Cancer Patients | June 2016

Articles

International Journal of Clinical Oncology

https://link.springer.com/article/10.1007/s10147-016-0996-7

L-Theanine in the Adjunctive Treatment of Generalized Anxiety Disorder: A Double-Blind, Randomised, Placebo-Controlled Trial | December 2018

Abstracts

Journal of Psychiatric Research

https://www.sciencedirect.com/science/article/pii/S0022395618309919

Use of Nutritional Supplements Based on L-Theanine and Vitamin B6 in Children with Tourette Syndrome, with Anxiety Disorders: A Pilot Study | February 2022

Articles

Nutrients

https://www.mdpi.com/2072-6643/14/4/852

Effect of L-Theanine on Sensorimotor Gating in Healthy Human Subjects | December 2013

Articles

Psychiatry and Clinical Neurosciences

https://onlinelibrary.wiley.com/doi/full/10.1111/pcn.12134

Effects of L-Theanine-Caffeine Combination on Sustained Attention and Inhibitory Control among Children with ADHD: A Proof-of-Concept Neuroimaging RCT | August 2020

Articles

Scientific Reports

https://www.nature.com/articles/s41598-020-70037-7

An Open-Label Clinical Study of Chronic L-Theanine Supplementation in Patients with Major Depressive Disorder (Meetings-Events) | June 2019

Abstracts

Current Developments in Nutrition

https://doi.org/10.1093/cdn/nzz035.P12-007-19

Novel Therapeutic Approach for the Management of Mood Disorders: In Vivo and In Vitro Effect of a Combination of L-Theanine, Melissa Officinalis L. and Magnolia Officinalis Rehder and E.H. Wilson | June 2020

Articles

Nutrients

https://www.mdpi.com/2072-6643/12/6/1803

A Double-Blind, Placebo-Controlled Study Evaluating the Effects of Caffeine and L-Theanine Both Alone and in Combination on Cerebral Blood Flow, Cognition and Mood | March 2015

Articles

Psychopharmacology

https://link.springer.com/article/10.1007%2Fs00213-015-3895-0

Physicochemical, Antioxidant and Sensory Properties of Mango Sorbet Containing L-Theanine as a Potential Functional Food Product | August 2022

Articles

Journal of Food Science and Technology

https://link.springer.com/article/10.1007/s13197-022-05570-6

A Combination of Magnesium, B Vitamins, Rhodiola, and Green Tea (L-Theanine) Alleviates Chronic Stress in Healthy Volunteers: A Randomized, Placebo-Controlled Study (Meetings-Events) | June 2022

Abstracts

Current Developments in Nutrition

https://doi.org/10.1093/cdn/nzac064.024

How Does the Tea L-Theanine Buffer Stress and Anxiety | February 2022

Articles

Food Science and Human Wellness

https://www.sciencedirect.com/science/article/pii/S2213453021001324

Caffeine and Theanine Exert Opposite Effects on Attention Under Emotional Arousal | January 2017

Articles

Canadian Journal of Physiology and Pharmacology

http://www.nrcresearchpress.com/doi/abs/10.1139/cjpp-2016-0498

Kinetics of L-Theanine Uptake and Metabolism in Healthy Participants Are Comparable After Ingestion of L-Theanine via Capsules and Green Tea | October 2012

Articles

Journal of Nutrition

https://doi.org/10.3945/jn.112.166371

L-Theanine as a Functional Food Additive: Its Role in Disease Prevention and Health Promotion | May 2016

Articles

Beverages

https://www.mdpi.com/2306-5710/2/2/13

A Combination of Green Tea Extract and L-Theanine Improves Memory and Attention in Subjects with Mild Cognitive Impairment: A Double-Blind Placebo-Controlled Study | February 2011

Abstracts

Journal of Medicinal Food

https://www.liebertpub.com/doi/abs/10.1089/jmf.2009.1374

Anti-Stress, Behavioural and Magnetoencephalography Effects of an L-Theanine-Based Nutrient Drink: A Randomised, Double-Blind, Placebo-Controlled, Crossover Trial | January 2016

Articles

Nutrients

https://www.mdpi.com/2072-6643/8/1/53

Efficacy of Oral Administration of Cystine and Theanine in Colorectal Cancer Patients Undergoing Capecitabine-Based Adjuvant Chemotherapy After Surgery: A Multi-Institutional, Randomized, Double-Blinded, Placebo-Controlled, Phase II Trial (JORTC-CAM03) | December 2019

Articles

Supportive Care in Cancer

https://link.springer.com/article/10.1007/s00520-019-05205-1

An L-Theanine Derivative Targets Against SARS-CoV-2 and Its Delta and Omicron Variants | June 2022

Articles

Heliyon

https://www.sciencedirect.com/science/article/pii/S2405844022009483

Perioperative Administration of Cystine and Theanine Suppresses Inflammation and Facilitates Early Rehabilitation and Recovery after Esophagectomy: A Randomized, Double-Blind, Controlled Clinical Trial | May 2022

Articles

Nutrients

https://www.mdpi.com/2072-6643/14/11/2319

Variability of Antioxidant Properties, Catechins, Caffeine, L-Theanine and Other Amino Acids in Different Plant Parts of Azorean Camellia Sinensis | August 2020

Articles

Current Research in Food Science

https://www.sciencedirect.com/science/article/pii/S2665927120300319

Effects of L-Theanine Administration on Stress-Related Symptoms and Cognitive Functions in Healthy Adults: A Randomized Controlled Trial | October 2019

Articles

Nutrients

https://www.mdpi.com/2072-6643/11/10/2362

L-Theanine and Caffeine Improve Target-Specific Attention to Visual Stimuli by Decreasing Mind Wandering: A Human Functional Magnetic Resonance Imaging Study | November 2017

Abstracts

Nutrition Research

https://www.sciencedirect.com/science/article/pii/S0271531717304967

L-Theanine and Caffeine in Combination Affect Human Cognition as Evidenced by Oscillatory Alpha-Band Activity and Attention Task Performance | August 2008

Articles

Journal of Nutrition

https://doi.org/10.1093/jn/138.8.1572S

A Randomized, Triple-Blind, Placebo-Controlled, Crossover Study to Investigate the Efficacy of a Single Dose of AlphaWave L-Theanine on Stress in a Healthy Adult Population | September 2021

Articles

Neurology and Therapy

https://link.springer.com/article/10.1007/s40120-021-00284-x

Neuroprotective Effects of the Green Tea Components Theanine and Catechins | December 2002

Articles

Biological and Pharmaceutical Bulletin

http://doi.org/10.1248/bpb.25.1513

Theanine, the Main Amino Acid in Tea, Prevents Stress-Induced Brain Atrophy by Modifying Early Stress Responses | January 2020

Articles

Nutrients

https://www.mdpi.com/2072-6643/12/1/174

Effects of L-Theanine or Caffeine Intake on Changes in Blood Pressure Under Physical and Psychological Stresses | October 2012

Articles

Journal of Physiological Anthropology

http://jphysiolanthropol.biomedcentral.com/articles/10.1186/1880-6805-31-28

A Novel Theanine Complex, Mg-L-Theanine Improves Sleep Quality via Regulating Brain Electrochemical Activity | April 2022

Articles

Frontiers in Nutrition

https://www.frontiersin.org/articles/10.3389/fnut.2022.874254/full