What is the L-theanine Dose for Anxiety?
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Kim, S., Jo, K., Hong, K.-B., Han, S. H., & Suh, H. J. (2019). GABA and l-theanine mixture decreases sleep latency and improves NREM sleep. Pharmaceutical Biology, 57(1), 64–72. Retrieved from https://doi.org/10.1080/13880209.2018.1557698
Noah, L., Morel, V., Bertin, C., Pouteau, E., Macian, N., Dualé, C., Pereira, B., & Pickering, G. (2022). Effect of a Combination of Magnesium, B Vitamins, Rhodiola, and Green Tea (L-Theanine) on Chronically Stressed Healthy Individuals—A Randomized, Placebo-Controlled Study. Nutrients, 14(9), 1863. Retrieved from https://doi.org/10.3390/nu14091863
Giesbrecht, T., Rycroft, J. A., Rowson, M. J., & De Bruin, E. A. (2010). The combination of L-theanine and caffeine improves cognitive performance and increases subjective alertness. Nutritional Neuroscience, 13(6), 283–290. Retrieved from https://doi.org/10.1179/147683010×12611460764840
Carpenter, J. K., Andrews, L. A., Witcraft, S. M., Powers, M. B., Smits, J. A. J., & Hofmann, S. G. (2018). Cognitive behavioral therapy for anxiety and related disorders: A meta-analysis of randomized placebo-controlled trials. Depression and Anxiety, 35(6), 502–514. Retrieved from https://doi.org/10.1002/da.22728