GABA Brain Food

GABA Brain Food

NS Natural Stacks4.6 (170 ratings)
Format:Capsule Quantity: 60 Capsule(s) · 20 servings
Goals
$39.95 $1.99 per serving

Product analysis

51 out of 100

GABA Brain Food may offer a limited calming contribution during stressful tasks. Evidence for lasting stress relief, improved mood or better sleep remains uncertain.

AI assessment of the formula, label and price. How scoring works

Nutrient Quality27

GABA and citrulline forms are unspecified, limiting quality comparisons. The named rosemary and grape compounds do not establish how well the complete preparation is absorbed.

Ingredient Transparency81

All ingredient amounts are disclosed, helping compare servings. GABA and citrulline form details remain unspecified, leaving the label less complete.

Value For Money35

The GABA serving offers less favorable value, and the citrulline compares poorly on cost. Rosemary’s value remains uncertain.

Customer Satisfaction71

Customer feedback is positive across a relatively small number of ratings. The feedback describes satisfaction and does not establish effectiveness.

Product Focus63

The formula mainly targets calming, with limited evidence relating to stressful tasks. Evidence for broader mood and sleep benefits remains uncertain.

Format
Capsule
Container
60 Capsule(s)
Per serving
$1.99
Customer rating
4.6 · 170 ratings
Report analysis

Goals

Stress Relief
Impact
Highest effect
B+ Ingredient FitB+ PathwaysA EvidenceA+ Formulation Logic
GABA · 633 mg

GABA may contribute to short-term responses to stressful tasks, without established sustained supplement benefit. Oral rosemary has preliminary stress-related findings, but outcomes are inconsistent and preparation matters. These two ingredients offer a possible calming and resilience-related connection; their combination does not establish a larger or more durable effect than the supplied evidence supports.

How this product is rated for Stress Relief

Ingredient fit82

Relevant stress-related ingredients sit within a broader formula with other purposes.
Goal fit
Relevant stress-related ingredients sit within a broader formula with other purposes.
Dose adequacy
The declared amounts support the supplied exposure comparison, without establishing a proven stress-relief dose or daily regimen.

Pathways80

Calming-related roles are most represented, with expectations limited by the particular ingredients and study settings.
Depth
Calming-related roles are most represented, with expectations limited by the particular ingredients and study settings.
Breadth
Several stress-related areas are represented, but this does not establish that each produces a demonstrated clinical benefit.

Evidence91

GABA has limited short-term task-stress findings; narrow settings and food preparations do not establish sustained supplement benefit.
Evidence strength
GABA has limited short-term task-stress findings; narrow settings and food preparations do not establish sustained supplement benefit.
Studied preparation
The qualifying preparations are accepted in the supplied comparison; this does not establish equivalent effects across every formulation.

Formulation logic100

No required companion is missing for the qualifying ingredients, without establishing an extra benefit from combining them.
Partner coverage
No required companion is missing for the qualifying ingredients, without establishing an extra benefit from combining them.
Conflicts
No matching formulation conflict was identified in the supplied checks.
Effective doses
The qualifying ingredients meet the supplied minimum amount comparison; that threshold does not establish measured effectiveness.
Study evidence
GABA Supportive 6 studies
Rosemary Supportive 11 studies
Sleep Support
Impact
Moderate effect
B- Ingredient FitF PathwaysD+ EvidenceA+ Formulation Logic

GABA may offer a limited calming contribution, but its sleep-specific role remains uncertain, and an oral amount does not show how it relates to brain GABA activity. The product’s 633 mg serving amount does not make a strong sleep effect certain.

GABA is the only sleep-related active in the supplied facts, so the formula does not add a separate route for timing or another calming ingredient. Its other listed ingredients do not provide a distinct sleep role here.

How this product is rated for Sleep Support

Ingredient fit71

GABA is the sole sleep-related active; the other listed ingredients do not broaden the formula’s sleep focus.
Goal fit
GABA is the only active tied to sleep in the supplied facts; citrulline, grape, and rosemary do not add sleep roles.
Dose adequacy
The listed 633 mg GABA amount reaches the dose range counted for contribution, but does not establish a strong sleep effect.

Pathways12

Neural calming is the only represented route, and its coverage is limited.
Depth
Neural calming is the clearest route, but it remains only lightly represented.
Breadth
No target pathway reaches broad coverage, leaving the formula narrow for sleep.

Evidence51

The supplied sleep context for oral GABA is limited and does not establish a strong direct sleep effect.
Evidence strength
GABA’s supplied sleep-specific support is well below the strongest ingredient context for this goal.
Studied preparation
No distinct preparation is named to clarify how this GABA amount relates to the supplied sleep context.

Formulation logic100

GABA contributes on its own, with no partner or matched sleep conflict identified.
Partner coverage
GABA has a standalone role in this formula; no partner is required for its contribution.
Conflicts
No sleep-opposing ingredient appears in the supplied facts.
Effective doses
The 633 mg amount is within the dose range counted here, without establishing a proven effective dose.
Study evidence
GABA Supportive 4 studies
Mood Support
Impact
Moderate effect
B- Ingredient FitF PathwaysD+ EvidenceA+ Formulation Logic

Whether swallowed GABA improves everyday mood is unclear. GABA is associated with calming nerve signals, but that role doesn't mean a GABA serving produces a general mood benefit. Effects associated with a specific fermented preparation can't automatically be expected from the isolated ingredient here.

How this product is rated for Mood Support

Ingredient fit71

The ingredients have several purposes; only some have a direct or conditional connection to mood. Amounts differ in how closely they match the ingredient comparisons.
Goal fit
Only some ingredients connect directly or conditionally to mood; the other actives serve different purposes.
Dose adequacy
GABA: 633 mg per serving. These are ingredient comparisons, not guarantees of a mood benefit.

Pathways17

The ingredients relate mainly to calming nerve activity; that does not by itself predict a mood improvement.
Depth
The ingredients relate mainly to calming nerve activity; that does not by itself predict a mood improvement.
Breadth
The relevant ingredient has a narrow mood-related role rather than several distinct supported benefits.

Evidence53

A general mood benefit from isolated oral GABA remains unclear.
Evidence strength
A general mood benefit from isolated oral GABA remains unclear.
Studied preparation
The declared ingredient identities are usable for comparison, but matching an ingredient does not guarantee the same mood effect.

Formulation logic100

The relevant ingredients have no missing required partner or identified internal conflict. This does not imply an added benefit from combining them.
Partner coverage
No required partner ingredient is missing for the relevant ingredients.
Conflicts
No particular conflict among these ingredients is identified.
Effective doses
The declared amount is within the included comparison range; this is not a minimum effective dose or a prediction of benefit.
Study evidence
GABA Supportive 12 studies

Ingredients

IngredientAmount per servingScore
Gamma-Aminobutyric Acid
633 mg 73
L-Citrulline
500 mg 44
Rosemary Leaf Extract (Rosmarinic Acid)
333 mg 100
Grape seed (Vitis vinifera) extract (Total Polyphenols)
33 mg
Gluten Free Adults 18–50 Dairy Free
Report overview
GABA · 633 mg OverallScore73
B- Active Ingredient Quality & BioavailabilityA Dose, Safety & Label TransparencyD- Value
A serving provides 633 mg of GABA, a substantial listed amount. The whole-product serving costs about $2.00, and the saved information identifies no specific source or brand.
How this ingredient is rated

Active Ingredient Quality & Bioavailability70

The saved information identifies generic GABA without a specific source or brand.
GABA Source & Production Method
The saved information identifies generic GABA without a specific source or brand.

Dose, Safety & Label Transparency93

The GABA amount is listed as 633 mg per serving. The stored ingredients include at least one processing or flow ingredient covered by the check.
GABA Dosage Adequacy & Transparency
The serving lists 633 mg of GABA, a substantial listed amount.
Label Purity & Excipient Quality
The stored ingredients include at least one processing or flow ingredient covered by the check.

Value40

A whole-product serving costs about $2.00 and provides 633 mg of GABA.
Price per Effective Dose
A whole-product serving containing 633 mg of GABA costs about $2.00.
A+ Composition And Label DisclosureA+ Composition And Label Disclosure
Each serving lists 333 mg of rosemary leaf extract. A 6% marker is recorded, but its identity is not available in the saved information.
How this ingredient is rated

Composition and Label Disclosure100

A 6% marker value is recorded, but the available facts do not identify the marker.
Marker and Preparation Disclosure
A 6% marker value is recorded, but the available facts do not identify the marker.

Composition and Label Disclosure100

The amount and rosemary leaf extract are identified for each serving.
Amount and Label Disclosure
Each serving lists 333 mg of rosemary leaf extract.

Commercial Price and Usability

No commercial price rule was evaluated.
Citrulline · 500 mg OverallScore44
B- Active Ingredient Quality & BioavailabilityD- Dose, Safety & Label TransparencyF Value
Each serving provides 500 mg of L-citrulline, a small amount. The whole-product price works out to about $4.00 per gram of L-citrulline.
How this ingredient is rated

Active Ingredient Quality & Bioavailability70

The ingredient is identified as L-citrulline.
Citrulline Form Specificity
The identified form is L-citrulline.
Purity and Sourcing Markers
The saved facts do not identify specific citrulline sourcing, grade, or purity-testing claims.

Dose, Safety & Label Transparency40

The L-citrulline amount is specified as 500 mg per serving. That is a small amount.
L-Citrulline Dosage Efficacy
Each serving provides 500 mg of L-citrulline. That is a small amount.
Label Clarity and Transparency
The L-citrulline amount is disclosed as 500 mg per serving.

Value0

The whole-product price works out to about $4.00 per gram of L-citrulline.
Price per Gram of L-Citrulline
The whole-product price works out to about $4.00 per gram of L-citrulline.

Sources

Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.

  1. Oral intake of γ-aminobutyric acid affects mood and activities of central nervous system during stressed condition induced by mental tasks.
    Yoto A; Murao S; Motoki M; Yokoyama Y; Horie N; Takeshima K; Masuda K; Kim M; Yokogoshi H · Amino acids · 2012
    Randomized trial63 participantsMood Support Stress Relief forGABA
  2. Peripartum neuroactive steroid and γ-aminobutyric acid profiles in women at-risk for postpartum depression.
    Deligiannidis KM; Kroll-Desrosiers AR; Mo S; Nguyen HP; Svenson A; Jaitly N; Hall JE; Barton BA; Rothschild AJ; Shaffer SA · Psychoneuroendocrinology · 2017
    Cohort study56 participantsMood Support forGABA
  3. The role of neurotransmitters in mediating the relationship between brain alterations and depressive symptoms in patients with inflammatory bowel disease.
    Wang J; Liu G; Xu K; Ai K; Huang W; Zhang J · Human brain mapping · 2023
    Case-control study69 participantsMood Support forGABA
  4. Occipital gamma-aminobutyric acid and glutamate-glutamine alterations in major depressive disorder: An mrs study and meta-analysis.
    Truong V; Cheng PZ; Lee HC; Lane TJ; Hsu TY; Duncan NW · Psychiatry research. Neuroimaging · 2021
    Observational studyMood Support forGABA
  5. Systematic review of gamma-aminobutyric-acid inhibitory deficits across the reproductive life cycle.
    Vigod SN; Strasburg K; Daskalakis ZJ; Blumberger DM · Archives of women's mental health · 2014
    Systematic review11 studies pooledMood Support forGABA
  6. Safety and Efficacy of Gamma-Aminobutyric Acid from Fermented Rice Germ in Patients with Insomnia Symptoms: A Randomized, Double-Blind Trial.
    Byun JI; Shin YY; Chung SE; Shin WC · Journal of clinical neurology (Seoul, Korea) · 2020
    Randomized trial40 participantsSleep Support forGABA
  7. Analysis of the Effects of Known Sleep-Support Supplements in Relation to Life Habits, Sleep Conditions, and Sleep Problems.
    Imafuku F; Yamamoto K; Tanaka E; Aoki R; Nishino S · Nutrients · 2023
    Randomized trial160 participantsSleep Support forGABA
  8. Reduced γ-aminobutyric acid in occipital and anterior cingulate cortices in primary insomnia: a link to major depressive disorder?
    Plante DT; Jensen JE; Schoerning L; Winkelman JW · Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology · 2012
    Case-control study40 participantsSleep Support forGABA
  9. 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 AP; Seidel H; Pires LVM; Trindade CO; Baleeiro RDS; Souza PM; Silva FGDE; Coelho DB; Becker LK; Oliveira EC · Journal of dietary supplements · 2024
    Randomized trial30 participantsSleep Support Stress Relief forGABA
  10. Relieving occupational fatigue by consumption of a beverage containing γ-amino butyric acid.
    Kanehira T; Nakamura Y; Nakamura K; Horie K; Horie N; Furugori K; Sauchi Y; Yokogoshi H · Journal of nutritional science and vitaminology · 2011
    Clinical trial30 participantsStress Relief forGABA
  11. Cortical gamma-aminobutyric acid and glutamate in posttraumatic stress disorder and their relationships to self-reported sleep quality.
    Meyerhoff DJ; Mon A; Metzler T; Neylan TC · Sleep · 2014
    Case-control study45 participantsStress Relief forGABA
  12. 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 SS; Kurdi M; Baiju A; Athira AS; Sarasamma AG; Gangadharan AK · Journal of anaesthesiology, clinical pharmacology · 2025
    Randomized trial168 participantsStress Relief forGABA
  13. Safety and stress-reducing effects of rosemary extract: an open-label trial and randomized double-blind crossover study.
    Kuwata H; Ookoshi K; Shimazu K; Fukumitsu S; Aida K · Journal of clinical biochemistry and nutrition · 2025
    Randomized trial40 participantsStress Relief forRosemary
  14. Comparing the effects of rosemary aromatherapy and music therapy on anxiety levels in patients undergoing general surgery: A randomized controlled clinical trial.
    Sayadi Mank-Halati M; Rezaei M; Farzaei MH; Khatony A · Explore (New York, N.Y.) · 2024
    Randomized trial236 participantsStress Relief forRosemary
  15. Effects of Continuous Intake of Rosemary Extracts on Mental Health in Working Generation Healthy Japanese Men: Post-Hoc Testing of a Randomized Controlled Trial.
    Araki R; Sasaki K; Onda H; Nakamura S; Kassai M; Kaneko T; Isoda H; Hashimoto K · Nutrients · 2021
    Randomized trial21 participantsStress Relief forRosemary
  16. Effects of Olfactory Stimulation with Aroma Oils on Psychophysiological Responses of Female Adults.
    Choi NY; Wu YT; Park SA · International journal of environmental research and public health · 2022
    Observational study23 participantsStress Relief forRosemary
  17. Effects of visual and aromatic stimulations on the perception of five fundamental tastes.
    Itoh M; Kitagawa A; Ouchi H; Yamaguchi M; Watanabe R; Sone H; Kamiyama S · Bioscience, biotechnology, and biochemistry · 2022
    Non-randomized trial14 participantsStress Relief forRosemary