L-THEANINE
L-Theanine is an amino acid present in green tea leaves.
L-Theanine elevates levels of GABA (gamma-Aminobutyric acid), as well as serotonin and dopamine, all known as neurotransmitters that regulate the brain to positively influence emotions, mood, concentration, alertness, energy and sleep and vitality.
CLINICAL RESEARCH CONDUCTED WITH L-THEANINE
(A SELECTION)
(A SELECTION)
- The effects of caffeine and theanine on the maintenance of vigilance during a sustained attention task. – Link https://www.ncbi.nlm.nih.gov/pubmed/22326943
- The effect of L-theanine on sensorimotor gating in healthy human subjects. – Link https://www.ncbi.nlm.nih.gov/pubmed/24372613
- Anti-stress effect of green tea with lowered caffeine on humans: A Pilot Study. – Link https://www.ncbi.nlm.nih.gov/pubmed/28566632
- Anti-stress effect of theanine on students during pharmacy practice: positive correlation among salivary α-amylase activity, trait anxiety and subjective stress. – Link https://www.ncbi.nlm.nih.gov/pubmed/24051231
- Effects of l-theanine on attention and reaction time response – Link https://www.sciencedirect.com/science/article/pii/S1756464611000351
- Effects of L-theanine Administration on stress-related symptoms and cognitive functions in healthy adults: a randomized controlled trial. – Link https://www.ncbi.nlm.nih.gov/pubmed/31623400
- 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. – Link https://www.ncbi.nlm.nih.gov/pubmed/22214254
- Effects of L-theanine or caffeine intake on changes in blood pressure under physical and psychological stresses – Link https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3518171/
- l-Theanine as a functional food additive: Its role in disease prevention and health promotion – Link https://www.mdpi.com/2306-5710/2/2/13/htm
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