topicGamma-Aminobutyric Acid Sleep Randomized Trial
claimIt was found in potato tubers, green tea, soybeans, germinated brown rice, and other plant foods.
evidence level3
citationLiu Mingcan (2026)
sourceExploring the Physiological Effects and Mechanisms of Gamma-Aminobutyric Acid in Food Systems
topicGamma-Aminobutyric Acid Sleep Randomized Trial
claimHowever, GABA was later also found in animal brains, where it acts mainly as an inhibitory neurotransmitter in the central nervous system, including the brain and spinal cord.
evidence level3
citationLiu Mingcan (2026)
sourceExploring the Physiological Effects and Mechanisms of Gamma-Aminobutyric Acid in Food Systems
topicGamma-Aminobutyric Acid Sleep Randomized Trial
claimThe growing awareness of health and wellness among the public, coupled with the reported biological activity of gamma-aminobutyric acid (GABA), has led to an increased focus on the development of GABA-rich foods.
evidence level3
citationLiu Mingcan (2026)
sourceExploring the Physiological Effects and Mechanisms of Gamma-Aminobutyric Acid in Food Systems
topicGamma-Aminobutyric Acid Sleep Randomized Trial
claim2 2 3 1 2 1 3 A small amount of the functional factor, gamma-aminobutyric acid (abbreviated as GABA), is present in mature plant seeds, fruit pulp, fermented foods, and so on.
evidence level3
citationLiu Mingcan (2026)
sourceExploring the Physiological Effects and Mechanisms of Gamma-Aminobutyric Acid in Food Systems
topicGamma-Aminobutyric Acid Sleep Randomized Trial
claimAdditionally, previous reports suggest it is associated with health risks, including cardiovascular, respiratory, neurological, immunological, and endocrine-related conditions (;;).
evidence level4
citationKim Jisun (2026)
sourceCombined Administration of Cannabidiol and L-Theanine Improves Sleep-Related Outcomes in Caffeine-Induced Sleep Disturbances Mouse Model
topicGamma-Aminobutyric Acid Sleep Randomized Trial
claimIf its production is reduced, the body does not receive a strong sleep signal, which makes it harder to fall asleep or to have meaningful sleep rest.
evidence level4
citationKim Jisun (2026)
sourceCombined Administration of Cannabidiol and L-Theanine Improves Sleep-Related Outcomes in Caffeine-Induced Sleep Disturbances Mouse Model
topicGamma-Aminobutyric Acid Sleep Randomized Trial
claimAlso, chronic sleep deprivation desensitizes the pathways associated with adenosine and impairs sleep recovery, leading to mood and attention deficits (;).
evidence level4
citationKim Jisun (2026)
sourceCombined Administration of Cannabidiol and L-Theanine Improves Sleep-Related Outcomes in Caffeine-Induced Sleep Disturbances Mouse Model
topicGamma-Aminobutyric Acid Sleep Randomized Trial
claimReiter, 2014 Jouvet, 1999 Sleep deprivation has been a topic of interest since the early 1900s.
evidence level4
citationKim Jisun (2026)
sourceCombined Administration of Cannabidiol and L-Theanine Improves Sleep-Related Outcomes in Caffeine-Induced Sleep Disturbances Mouse Model