← All Supplements
GABA (Gamma-Aminobutyric Acid)
The brain's main calming neurotransmitter, taken as a supplement to promote relaxation and take the edge off stress.
Benefits
- +May promote relaxation and a sense of calm
- +May help reduce stress and anxiety
- +May support better sleep
- +May help lower blood pressure modestly
- +Popular non-drowsy option for winding down
Dosage & Cost
Range100–750 mg/day
TimingEvening or during stressful periods
Daily cost$0.05–$0.20
Commonly 250–500 mg. Effects may come partly from action on the gut nervous system rather than direct brain uptake.
Side Effects
- !Generally well tolerated
- !Mild drowsiness in some people
- !Tingling or flushing at higher doses
- !Upset stomach
- !Debated whether oral GABA crosses the blood-brain barrier effectively
Food Sources
- • Fermented foods (kimchi, miso, tempeh)
- • Green and oolong tea
- • Sprouted grains
- • Tomatoes
References & Links
Community
Popularity rankings
#— in Amino Acid
#— overall
Stats accumulate as members log their stacks
—
take daily
—
cycle it
—
avg. stacks
Not in any public stacks yet.
This page is for informational purposes only. The information here has not been evaluated by the Food and Drug Administration (FDA). No supplement discussed on this page is intended to diagnose, treat, cure, or prevent any disease. Please consult your doctor or a qualified healthcare professional before taking any dietary supplement.