Multiple studies have elucidated the beneficial effects of GABA supplementation on sleep, both when used alone and in combination with L-theanine, as found in our formula. Subjects taking GABA reported being more refreshed upon waking alongside improved sleep quality.   
 Hepsomali, Piril, et al. “Effects of Oral Gamma-Aminobutyric Acid (GABA) Administration on Stress and Sleep in Humans: A Systematic Review.” Frontiers, Frontiers, 10 Aug. 2020, www.frontiersin.org/articles/10.3389/fnins.2020.00923/full#B1.
 S, Yoshida. “ Optimization of a γ-Aminobutyric Acid (GABA) Enrichment Process for Hokkaido White Rice and the Effects of GABA-Enriched White Rice on Stress Relief in Humans.” Restricted Content, www.cabdirect.org/globalhealth/abstract/20153123925. Accessed 14 Nov. 2023.
 Kim, Suhyeon, et al. “GABA and L-Theanine Mixture Decreases Sleep Latency and Improves NREM Sleep.” Pharmaceutical Biology, U.S. National Library of Medicine, Dec. 2019, www.ncbi.nlm.nih.gov/pmc/articles/PMC6366437/.