L-Theanine is an amino acid found in tea leaves, known for promoting relaxation without drowsiness.
100-200 mg daily.
Strong evidence from multiple high-quality studies.
Methodology
Randomized controlled trial
Participants
12 subjects
Key Outcomes
Reduced stress response
Kimura et al. (2007). Biological Psychology
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Methodology
Review
Participants
0 subjects
Key Outcomes
Confirmed anxiety-reducing effects
Hidese et al. (2019). Nutrients
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Methodology
Study
Participants
0 subjects
Key Outcomes
Demonstrated improved relaxation and cognitive performance
Nobre et al. (2008). Asia Pacific Journal of Clinical Nutrition
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Disclaimer: This information is for educational purposes only and not intended as medical advice. Please consult with a healthcare professional before taking any supplements, especially if you have underlying health conditions or are taking medications.