$15.07 $0.07 per serving
Product analysis
GABA 500 mg may help with short-term responses to stress at a low serving cost. Benefits for sleep or lasting stress relief remain uncertain.
AI assessment of the formula, label and price. How scoring works
Nutrient Quality27
The vitamin B6 form is named, but its quality cannot be judged confidently. The GABA form is unspecified, leaving its preparation unclear.
Ingredient Transparency81
Both ingredient amounts are disclosed. The B6 form is named, while the GABA form remains unspecified.
Value For Money78
The serving cost is low for GABA. The separate value of the B6 contribution remains uncertain.
Customer Satisfaction91
Customer ratings are generally positive across a very large review base. The volume of feedback makes the satisfaction picture well established, without proving effectiveness.
Product Focus64
GABA has limited findings for short-term responses to stressful tasks. Those findings do not establish lasting stress relief or reliable sleep and mood improvements.
- Format
Capsule - Container
- 200 Capsule(s)
- Per serving
- $0.07
- Also available
GABA 500 mg$8.70- Customer rating
- 4.7 · 83,013 ratings
Goals
Impact
Highest effect
GABA · 500 mgVitamin B6 · 2 mg
Impact
Moderate effect
Impact
Moderate effect
Vitamin B6 · 2 mg
Ingredients
| Ingredient | Amount per serving | Score |
|---|---|---|
Vitamin B6 (Pyridoxine Hydrochloride) | 2 mg | |
GABA | 500 mg |
GABA · 500 mg OverallScore85
The serving provides 500 mg of GABA at a low cost per serving. The production method is unclear. The Other Ingredients panel includes a flow agent, but its identity is not specified here.
How this ingredient is rated
Active Ingredient Quality & Bioavailability70
The GABA source is not further specified.
GABA Source & Production Method
GABA is named, but its production method is not specified.
Dose, Safety & Label Transparency93
The GABA amount is stated. A flow agent is present.
GABA Dosage Adequacy & Transparency
The selected serving states 500 mg of GABA.
Label Purity & Excipient Quality
The Other Ingredients panel includes a flow agent, but its identity is not specified here.
Value100
The serving cost is low.
Price per Effective Dose
The cost per serving is low.
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Sources
Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.
- Oral intake of γ-aminobutyric acid affects mood and activities of central nervous system during stressed condition induced by mental tasks.
- Peripartum neuroactive steroid and γ-aminobutyric acid profiles in women at-risk for postpartum depression.
- The role of neurotransmitters in mediating the relationship between brain alterations and depressive symptoms in patients with inflammatory bowel disease.
- Occipital gamma-aminobutyric acid and glutamate-glutamine alterations in major depressive disorder: An mrs study and meta-analysis.
- Systematic review of gamma-aminobutyric-acid inhibitory deficits across the reproductive life cycle.
- High Dose Vitamin B6 Reduces Depression Symptoms.
- Can Vitamin B6 Help to Prevent Postpartum Depression? A Randomized Controlled Trial.
- Associations of Dietary Intake of Vitamin B6 and Plasma Pyridoxal 5'-Phosphate Level With Depression in US Adults: Findings From NHANES 2005-2010.
- Associations of dietary B vitamins intakes with depression in adults.
- Impact of vitamin B6 status on psychological distress in a longitudinal study of HIV-1 infection.
- Safety and Efficacy of Gamma-Aminobutyric Acid from Fermented Rice Germ in Patients with Insomnia Symptoms: A Randomized, Double-Blind Trial.
- Analysis of the Effects of Known Sleep-Support Supplements in Relation to Life Habits, Sleep Conditions, and Sleep Problems.
- Reduced γ-aminobutyric acid in occipital and anterior cingulate cortices in primary insomnia: a link to major depressive disorder?
- 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.
- Efficacy of vitamins B1 and B6 as an adjunctive therapy to lithium in bipolar-I disorder: A double-blind, randomized, placebo-controlled, clinical trial.
- Therapeutic effects of magnesium and vitamin B6 in alleviating the symptoms of restless legs syndrome: a randomized controlled clinical trial.
- Effects of poly-gamma-glutamic acid and vitamin B6 supplements on sleep status: a randomized intervention study.
- Effects of Vitamin B6 (Pyridoxine) and a B Complex Preparation on Dreaming and Sleep.
- The effect of pyridoxine administration on melatonin secretion in normal men.
- Relieving occupational fatigue by consumption of a beverage containing γ-amino butyric acid.