Promising, but Not Completely Conclusive-The Effect of l-Theanine on Cognitive Performance Based on the Systematic Review and Meta-Analysis of Randomized Placebo-Controlled Clinical Trials.
- 2025-10-30
- Review
- Journal of clinical medicine 14(21)
- Rebeka Olga Mátyus
- Zsóka Szikora
- Diána Bodó
- Bettina Vargáné Szabó
- Éva Csupor
- Dezső Csupor
- Barbara Tóth
- PubMed: 41227106
- DOI: 10.3390/jcm14217710
- Low evidence
- Adults
l-theanine had a dose-dependent effect on cognitive function based on rapid visual information processing and recognition visual reaction time (MD: -15.20 ms; 95%-CI [-28.99; -1.41])
- Effect
- Beneficial
- Effect size
- Small
- Significant
- Yes