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This is the reason many people search for L-theanine for anxiety: It appears to support relaxation without the heavy sedative effect associated with some sleep aids or anti-anxiety medications
LaccID was created from an ancestral fungal laccase through 11 rounds of yeast display directed evolution, which improved enzyme stability, catalytic turnover and pH activity profile to better suit physiological conditions (Figs
the best-evidenced caffeine + L-theanine 2:1 calm focus stack, backed by a 2026 Molecular Psychiatry meta-analysis of 31 randomised trials and a 2025 British Journal of Nutrition sleep-deprivation study
AngilettaCJGriffinLESteeleCNBaerDJNovotnyJADavyKPet al
Marso SP, Daniels GH, Brown-Frandsen K, et al
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