Effect of single or combined caffeine and L-Theanine supplementation on shooting and cognitive performance in elite curling athletes: a double-blind, placebo-controlled study

Effects of Acute Caffeine Ingestion on Cognitive Performance before and after Repeated Small-Sided Games in Professional Soccer Players: A Placebo-Controlled, Randomized Crossover Trial

(2023) Rodrigo Freire de Almeida et al.   Nutrients

Effect of Alpha-S1-Casein Tryptic Hydrolysate and L-Theanine on Poor Sleep Quality: A Double Blind, Randomized Placebo-Controlled Crossover Trial

(2022) Kokila Thiagarajah et al.   Nutrients

Paraxanthine Supplementation Increases Muscle Mass, Strength, and Endurance in Mice

(2022) Ralf Jäger et al.   Nutrients

How does the tea L-theanine buffer stress and anxiety

(2022) Liwen Wang et al.   Food Science and Human Wellness

Does Single or Combined Caffeine and Taurine Supplementation Improve Athletic and Cognitive Performance without Affecting Fatigue Level in Elite Boxers? A Double-Blind, Placebo-Controlled Study

(2022) Murat Ozan et al.   Nutrients

Effects of Different Sources of Low-Dose Caffeine on Mood/Arousal and Cognitive Performance

(2022) Christopher Irwin et al.   PERCEPTUAL AND MOTOR SKILLS

International society of sports nutrition position stand: caffeine and exercise performance

(2021) Nanci S. Guest et al.   Journal of the International Society of Sports Nutrition

Effects of l-Theanine on Cognitive Function in Middle-Aged and Older Subjects: A Randomized Placebo-Controlled Study

(2021) Yoshitake Baba et al.   JOURNAL OF MEDICINAL FOOD

Effects of carbohydrate and caffeine mouth rinsing on strength, muscular endurance and cognitive performance

(2021) Raci Karayigit et al.   Journal of the International Society of Sports Nutrition

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

(2021) Malkanthi Evans et al.   Neurology and Therapy

Analysis of Sports Supplements Consumption in Young Spanish Elite Dinghy Sailors

(2020) Israel Caraballo et al.   Nutrients

Urine Caffeine Concentration in Doping Control Samples from 2004 to 2015

(2019) Millán Aguilar-Navarro et al.   Nutrients

The effect of L-theanine supplementation on the immune system of athletes exposed to strenuous physical exercise

(2019) A. Juszkiewicz et al.   Journal of the International Society of Sports Nutrition

The effects of TeaCrine® and caffeine on endurance and cognitive performance during a simulated match in high-level soccer players

(2019) Marissa L. Bello et al.   Journal of the International Society of Sports Nutrition

The Effects of Green Tea Amino Acid L-Theanine Consumption on the Ability to Manage Stress and Anxiety Levels: a Systematic Review

(2019) Jackson L. Williams et al.   PLANT FOODS FOR HUMAN NUTRITION

Effect of Caffeine Supplementation on Sports Performance Based on Differences Between Sexes: A Systematic Review

(2019) Juan Mielgo-Ayuso et al.   Nutrients

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

(2019) Hidese et al.   Nutrients

l -Theanine and caffeine improve target-specific attention to visual stimuli by decreasing mind wandering: a human functional magnetic resonance imaging study

(2018) Chanaka N. Kahathuduwa et al.   NUTRITION RESEARCH

L-Theanine and Caffeine in Combination Affect Human Cognition as Evidenced by Oscillatory alpha-Band Activity and Attention Task Performance

(2018) Simon P. Kelly et al.   JOURNAL OF NUTRITION

Analysis of Nutritional Supplements Consumption by Squash Players

(2018) Anna Ventura Comes et al.   Nutrients

Effects of l-theanine on anxiety-like behavior, cerebrospinal fluid amino acid profile, and hippocampal activity in Wistar Kyoto rats

(2017) Shintaro Ogawa et al.   PSYCHOPHARMACOLOGY

Acute effects of theanine, caffeine and theanine–caffeine combination on attention

(2016) Chanaka N. Kahathuduwa et al.   NUTRITIONAL NEUROSCIENCE

The Effects of Cognitive General Imagery Use on Decision Accuracy and Speed in Curling

(2016) Nicole Westlund Stewart et al.   SPORT PSYCHOLOGIST

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

(2016) David White et al.   Nutrients

An overview of biological production of L-theanine

(2015) Wanmeng Mu et al.   BIOTECHNOLOGY ADVANCES

Acute consumption of a caffeinated energy drink enhances aspects of performance in sprint swimmers

(2015) Beatriz Lara et al.   BRITISH JOURNAL OF NUTRITION

L-theanine, unique amino acid of tea, and its metabolism, health effects, and safety

(2015) Duygu Türközü et al.   CRITICAL REVIEWS IN FOOD SCIENCE AND NUTRITION

Caffeine: Cognitive and Physical Performance Enhancer or Psychoactive Drug?

(2015) Simone Cappelletti et al.   Current Neuropharmacology

Daily oral intake of theanine prevents the decline of 5-bromo-2′-deoxyuridine incorporation in hippocampal dentate gyrus with concomitant alleviation of behavioral abnormalities in adult mice with severe traumatic stress

(2015) Takeshi Takarada et al.   JOURNAL OF PHARMACOLOGICAL SCIENCES

Improvements on neuromuscular performance with caffeine ingestion depend on the time-of-day

(2015) Ricardo Mora-Rodríguez et al.   JOURNAL OF SCIENCE AND MEDICINE IN SPORT

Caffeine ingestion enhances perceptual responses during intermittent exercise in female team-game players

(2015) Ajmol Ali et al.   JOURNAL OF SPORTS SCIENCES

Acute effects of tea constituents L-theanine, caffeine, and epigallocatechin gallate on cognitive function and mood: a systematic review and meta-analysis

(2014) David A Camfield et al.   NUTRITION REVIEWS

Protective effect of l-theanine on chronic restraint stress-induced cognitive impairments in mice

(2013) Xia Tian et al.   BRAIN RESEARCH

Preventive effect of theanine intake on stress-induced impairments of hippocamapal long-term potentiation and recognition memory

(2013) Haruna Tamano et al.   BRAIN RESEARCH BULLETIN

Anti-stress effect of theanine on students during pharmacy practice: Positive correlation among salivary α-amylase activity, trait anxiety and subjective stress

(2013) Keiko Unno et al.   PHARMACOLOGY BIOCHEMISTRY AND BEHAVIOR

Ingestion of theanine, an amino acid in tea, suppresses psychosocial stress in mice

(2012) Keiko Unno et al.   EXPERIMENTAL PHYSIOLOGY

Unique Induction of CA1 LTP Components After Intake of Theanine, an Amino Acid in Tea Leaves and its Effect on Stress Response

(2011) Atsushi Takeda et al.   CELLULAR AND MOLECULAR NEUROBIOLOGY

Behavioral and molecular evidence for psychotropic effects in l-theanine

(2011) Chisato Wakabayashi et al.   PSYCHOPHARMACOLOGY

l-Theanine and caffeine improve task switching but not intersensory attention or subjective alertness

(2010) Suzanne J.L. Einöther et al.   APPETITE

Black tea improves attention and self-reported alertness

(2010) E.A. De Bruin et al.   APPETITE

Caffeine Use in Sports: Considerations for the Athlete

(2010) Bülent Sökmen et al.   JOURNAL OF STRENGTH AND CONDITIONING RESEARCH

The combination of L-theanine and caffeine improves cognitive performance and increases subjective alertness

(2010) T. Giesbrecht et al.   NUTRITIONAL NEUROSCIENCE

Theanine, γ-glutamylethylamide, a unique amino acid in tea leaves, modulates neurotransmitter concentrations in the brain striatum interstitium in conscious rats

(2008) T. Yamada et al.   AMINO ACIDS

The Effects of l-theanine on Alpha-Band Oscillatory Brain Activity During a Visuo-Spatial Attention Task

(2008) Manuel Gomez-Ramirez et al.   BRAIN TOPOGRAPHY

Caffeine Improves Physical and Cognitive Performance during Exhaustive Exercise

(2008) EEF HOGERVORST et al.   MEDICINE AND SCIENCE IN SPORTS AND EXERCISE

Psychological effects of dietary components of tea: caffeine and L-theanine

(2008) Janet Bryan   NUTRITION REVIEWS

The combined effects of L-theanine and caffeine on cognitive performance and mood

(2008) Gail N. Owen et al.   NUTRITIONAL NEUROSCIENCE

The effects of l-theanine, caffeine and their combination on cognition and mood

(2007) Crystal F. Haskell et al.   BIOLOGICAL PSYCHOLOGY