Clinical Studies on Gaba

GABA (Gamma-Aminobutyric Acid) 

GABA is the brain's primary inhibitory neurotransmitter, naturally involved in supporting normal nerve signaling and relaxation processes in the nervous system.*

Summary of Research on GABA 

Research has explored GABA's role in supporting normal physiological processes related to relaxation, mood balance, restful sleep, and everyday resilience. Key areas of study include:

General Absorption and Nervous System Support

• Studies indicate that oral GABA is absorbed and may influence normal central nervous system activity, contributing to everyday relaxation and balance.*

• Link: The Effect of Oral GABA on the Nervous System: Potential for Therapeutic Intervention (Almutairi et al., 2024)

Relaxation and Everyday Stress Response

• Investigations have assessed oral GABA's effects on normal responses to everyday challenges or mental tasks, noting support for healthy relaxation and adaptive markers.*

  • Examples include studies using controlled tasks to evaluate subjective calm and physiological indicators in healthy adults.*

  • Links:

  • Comparison of the effects of two amino acids, Gamma-aminobutyric acid (GABA) and L-theanine, on sedation, anxiety, and cognition in preoperative surgical patients - A randomized controlled study (Deshpande et al., 2025)

  • Effect of GABA-Fortified Oolong Tea on Reducing Stress in a University Student Cohort (Hinton et al., 2019)

  • The beneficial effects of coffee on stress and fatigue can be enhanced by the addition of GABA - A randomized, double-blind, placebo controlled, crossover-designed study (Yamatsu et al., 2015)

  • Relieving occupational fatigue by consumption of a beverage containing γ-amino butyric acid (Kanehira et al., 2011)

  • Oral intake of γ-aminobutyric acid affects mood and activities of central nervous system during stressed condition induced by mental tasks (Yoto et al., 2012)

  • Effects of vegetable containing gamma-aminobutyric acid on the cardiac autonomic nervous system in healthy young people (Okita et al., 2009)

  • Psychological stress-reducing effect of chocolate enriched with gamma-aminobutyric acid (GABA) in humans: assessment of stress using heart rate variability and salivary chromogranin A (Nakamura et al., 2009)

  • Relaxation and immunity enhancement effects of gamma-aminobutyric acid (GABA) administration in humans (Abdou et al., 2006)

Mood and Emotional Well-Being 

• Research has explored GABA's role in supporting normal neurotransmitter balance and emotional response pathways in healthy adults under everyday conditions.*

• Link:

• GABA Supplementation, Increased Heart-Rate Variability, Emotional Response, Sleep Efficiency and Reduced Depression in Sedentary Overweight Women Undergoing Physical Exercise: Placebo-Controlled, Randomized Clinical Trial (Guimarães et al., 2024)

Restful Sleep Patterns

• Some research has examined GABA's influence on normal sleep architecture and restful patterns in healthy individuals or those with occasional sleep disruptions.*

  • Examples include trials assessing sleep parameters and overall restfulness.*

  • Links:

  • The Effect of Oral GABA on the Nervous System: Potential for Therapeutic Intervention (Almutairi et al., 2024)

  • GABA Supplementation, Increased Heart-Rate Variability, Emotional Response, Sleep Efficiency and Reduced Depression in Sedentary Overweight Women Undergoing Physical Exercise: Placebo-Controlled, Randomized Clinical Trial (Guimarães et al., 2024)

  • An Exploratory Study to Detect the Effects of the Combined Intake of Gamma-aminobutyric Acid (GABA) and L-theanine on Sleep by Wearable Device (Konno et al., 2023)

  • https://www.thejcn.com/DOIx.php?id=10.3988/jcn.2018.14.3.291 (Byun et al., 2018)

  • Effect of the Defatted Rice Germ Enriched with GABA for Sleeplessness, Depression, Autonomic Disorder by Oral Administration (Okada et al., 2000)

  • Effect of oral γ-aminobutyric acid (GABA) administration on sleep and its absorption in humans (Yamatsu et al., 2016)

*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. The summaries above reference general research on GABA and do not represent specific claims about NeuroVital Serenity. Consult a healthcare professional before use, and see full studies for details.