Supplement reference
GABA
A sourced reference on GABA identity, evidence limits and safety context.
Source and review status
Published sources checked
Sources checked on: 6 September 2026
Qualified clinical review: Pending. This page has not been clinically reviewed.
About this source check
AI-assisted editorial source checking covers the cited material and its stated limits. It is not a systematic review, verification of a supplied product, or clinical sign-off.
Editorial role: InfoAddict. Last material change: 6 September 2026. Next source review: 6 March 2027.
What it is
Gamma-aminobutyric acid is a neurotransmitter and non-proteinogenic amino acid. Oral GABA products should not be equated with prescription medicines affecting GABA pathways.
Sources: National Library of Medicine, PubMed
What the cited evidence shows
A 2020 systematic review of fourteen placebo-controlled human studies found limited evidence for stress outcomes and very limited evidence for sleep outcomes. It calls for further research before efficacy inferences.
Sources: National Library of Medicine, PubMed
Limits and safety context
The review is not a protocol for insomnia, anxiety or medicine changes.
Sources: National Library of Medicine, PubMed
Published sources
- Oral GABA administration for stress and sleep: systematic review
National Library of Medicine, PubMed. 2020; accessed 6 September 2026.
Supports: Fourteen placebo-controlled trials; evidence was limited for stress and very limited for sleep.
Change history
| Date | Change | Clinical-review status |
|---|---|---|
| 6 September 2026 | Source-linked reference published | Pending |
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