Research
Gamma-aminobutyric acid for Menopause: Evidence, Interactions and Cautions
Gamma-aminobutyric acid is an ingredient used in menopause supplements marketed to women. Below is what it has actually been studied for, how strong that evidence is, the drug interactions and cautions on record, and the primary source our grade rests on — all drawn from the HerWellReport ingredient dataset.
Also sold as: GABA; gamma-aminobutyrate
What the evidence says about Gamma-aminobutyric acid
A systematic review of 14 studies of oral GABA found limited evidence of effects on stress markers and only very limited evidence of objective sleep improvement, mostly a modest shortening of time to fall asleep. The central problem is whether swallowed GABA reaches the brain at all: those reviewers state there are no data showing GABA blood-brain barrier permeability in humans, and an earlier review concluded no definite conclusion is possible and noted that most of the positive human studies were authored by people affiliated with the company making the supplement. GABA does not appear in the Menopause Society's 2023 nonhormone therapy position statement.
The grade "very limited" means: very limited — Mostly animal, laboratory or anecdotal evidence, with at most a single weak human study. Grades are explained in full on our methodology page.
Read the primary source this grade rests on (opens in a new tab).
Gamma-aminobutyric acid drug interactions
No documented drug interactions in the sources we checked. That is not the same as proof of safety alongside your medication — it usually means the question has not been studied. Ask a pharmacist before combining it with prescription drugs.
Who should be careful with Gamma-aminobutyric acid
No specific cautions recorded beyond the usual ones for any supplement: check with your doctor if you are pregnant, breastfeeding, have liver or kidney disease, or take regular medication.
Read more on HerWellReport
This entry is generated from row "Gamma-aminobutyric acid (GABA)" of the HerWellReport ingredient dataset (v2.1, updated 2026-09-23). The dataset is free to reuse under CC BY 4.0 — how to cite it. Ingredient evidence is not evidence for any finished product, and nothing here is medical advice.