Tag: L-theanine
L-Theanine and Alpha Waves: What the Research Actually Shows
The ubiquitous claim that L-theanine boosts alpha waves simplifies a more complicated research picture. Two studies documented alpha increases at…
L-Theanine: How an amino acid shifts brain waves toward calm focus without drowsiness
L-theanine, a naturally occurring amino acid in green tea, shifts brain electrical activity toward patterns associated with calm focus while…
L-Theanine Improves Task Accuracy Without Expected Brain Wave Changes, Research Shows
L-theanine marketing claims about alpha brain wave enhancement lack experimental support in controlled testing without caffeine, yet the supplement still…
L-Theanine Shifts Brain Waves Toward Calm Focus Without Sedation, Research Shows
L-theanine, an amino acid in green tea, shifts brain waves from stress-associated beta patterns toward alpha waves associated with calm…
L-Theanine Improves Sleep Quality Without Drowsiness, Systematic Review Finds
A systematic review of 13 randomised trials found that L-theanine supplementation at 200–450 mg daily improves sleep onset and continuity…
L-Theanine Shifts Brain Waves Toward Calm Focus Without Sedation, Research Shows
L-theanine, an amino acid in green tea, promotes calm alertness by shifting brain waves toward alpha (relaxed focus) while reducing…