GABA
Also known as: Gamma-aminobutyric acid · 4-aminobutanoic acid
The main inhibitory neurotransmitter, sold as a supplement and commonly cited in the research literature for context around relaxation and sleep.
GABA at a glance
| Name | GABA |
|---|---|
| Also known as | Gamma-aminobutyric acid, 4-aminobutanoic acid |
| Category | Sleep & stress |
| Type | Amino / injectable |
| Sequence | Non-protein amino acid neurotransmitter (gamma-aminobutyric acid) |
| Typical dose | ~100-750 mg per day (commonly cited) |
| Frequency | Once daily, often before bed |
| Route | Oral (supplement) |
| Half-life | Short in circulation, on the order of hours. |
Overview
GABA (gamma-aminobutyric acid) is the primary inhibitory neurotransmitter in the mammalian central nervous system. It is also sold as an oral dietary supplement, though how much orally taken GABA reaches the brain is debated because of the blood-brain barrier. Presented for educational context only.
How it’s thought to work
- Acts at GABA receptors to reduce neuronal excitability within the nervous system.
- Oral supplementation is reported to possibly act on the enteric nervous system rather than crossing into the brain directly.
- Studied for effects on stress markers and heart-rate variability.
Researched uses
- Relaxation and stress reduction in supplement studies
- Sleep onset support in exploratory research
- Blood-pressure and stress-marker effects in small trials
Commonly cited protocol
| Typical dose | ~100-750 mg per day (commonly cited) |
|---|---|
| Frequency | Once daily, often before bed |
| Route | Oral (supplement) |
| Notes | Taken orally as capsules or powder; brain penetration from oral dosing is scientifically debated. |
Reconstitution
Taken orally rather than injected, so insulin-syringe unit math does not apply.
Cautions
- Sold as a dietary supplement; not an FDA-approved drug.
- Evidence that oral GABA affects the brain is mixed.
- May add to the effects of other sedating agents.
- Not intended to diagnose or treat any condition.
GABA FAQ
What is GABA?
The main inhibitory neurotransmitter, sold as a supplement and commonly cited in the research literature for context around relaxation and sleep.
How does GABA work?
Acts at GABA receptors to reduce neuronal excitability within the nervous system. Oral supplementation is reported to possibly act on the enteric nervous system rather than crossing into the brain directly. Studied for effects on stress markers and heart-rate variability.
What is GABA used for?
Relaxation and stress reduction in supplement studies; Sleep onset support in exploratory research; Blood-pressure and stress-marker effects in small trials.
What is a typical GABA dose?
~100-750 mg per day (commonly cited), Once daily, often before bed, Oral (supplement). This is a commonly cited figure for context only, not medical advice.
How do you reconstitute GABA?
Taken orally rather than injected, so insulin-syringe unit math does not apply.
What is the half-life of GABA?
Short in circulation, on the order of hours.