Amino acids
GABA
A messenger in the brain that calms nerve signals. Whether GABA from a pill reaches the brain is still unclear.
61 products from US online stores, sorted by what 500 mg of GABA costs – not by the price per pack.
1.7¢Lowest cost
per 500 mg GABA
- Prices checked Nov 1, 2026, US
- No paid placements
What does 500 mg mean?
- GABA per serving in most of the products we checked
- 100–750 mgGABA per serving in most of the products we checked
- 500 mg is a fixed amount to compare by: half of the 61 products we checked have up to 750 mg per serving, the other half more.
- There’s no official daily amount for GABA.
We compare by 500 mg only so products line up – it’s not a recommendation. Not medical advice.
Where products miss quality points
How the 61 products score
- Very good 90+: 4
- Good 75+: 57
- Fair 60+: 0
- Low under 60: 0
- have no seal from an independent testing program
- 93%have no seal from an independent testing program10 of 30 testing points for GMP, 15 for the 3 whose label says “third-party tested”
The full 30 testing points need an independent test. Every supplement sold in the US is made under the FDA’s GMP rules – the maker checks its own products, which gives 10 points. A seal from a testing program like NSF, USP or Informed Choice means a lab outside the company checks that what’s inside matches the label. Most brands don’t take part. That doesn’t make a product bad – without a seal, a clean product still gets up to 80.
We find seals on the label and in NSF’s public lists. USP and Informed Choice don’t let us search their lists automatically, so a seal that’s only in their lists can be missing. How the score works
Pack size
Compare packs of a similar size.
All sizes in one list can affect the results – big packs usually cost less per 500 mg. Pick a size above to compare packs that are alike.
61 products · cheapest per 500 mg GABA first
- Rank 1
Best Naturals
GABA (Gamma Aminobutyric Acid) Pure Powder
Powder
80Good qualityMade in USA1.7¢per 500 mg
Lowest
- Pack
- $14.99454 g (1 lb)227 servings
- GABA per serving
- 2,000 mgin 2 g
- Pack lasts
- 908 daysif you take 500 mg a day
shopbestnaturals.com (opens in a new tab)Checked Nov 1, 2026 · Label
- Rank 2
Amazing Nutrition
Amazing Formulas GABA Powder
Powder
80Good qualityMade in USA2¢per 500 mg
21% more
- Pack
- $19.99667 servings
- GABA per serving
- 750 mg
- Pack lasts
- 1,000 daysif you take 500 mg a day
amazingnutrition.com (opens in a new tab)Checked Nov 1, 2026 · Label
- Rank 3
Nutricost
GABA Powder
Powder
80Good qualityMade in USA2.5¢per 500 mg
51% more
- Pack
- $24.971,000 servings
- GABA per serving
- 500 mg
- Pack lasts
- 1,000 daysif you take 500 mg a day
nutricost.com (opens in a new tab)Checked Nov 1, 2026 · Label
- Rank 4
Best Naturals
GABA
Powder
80Good qualityPacked in USA2.6¢per 500 mg
60% more
- Pack
- $24.00454 g (1 lb)227 servings
- GABA per serving
- 2,000 mgin 2 g
- Pack lasts
- 908 daysif you take 500 mg a day
vitacost.com (opens in a new tab)Checked Nov 1, 2026 · Label
- Rank 5
NOW Foods
GABA Pure Powder
Powder
80Good qualityPacked in USA3.6¢per 500 mg
118% more
- Pack
- $12.24340 servings
- GABA per serving
- 500 mg
- Pack lasts
- 340 daysif you take 500 mg a day
vitacost.com (opens in a new tab)Checked Nov 1, 2026 · Label
- Rank 6
Source Naturals
Serene Science, GABA Powder
Powder
80Good qualityCountry not stated3.6¢per 500 mg
120% more
- Pack
- $16.09296 servings
- GABA per serving
- 750 mg
- Pack lasts
- 444 daysif you take 500 mg a day
vitacost.com (opens in a new tab)Checked Nov 1, 2026 · Label
- Rank 7
Nutricost
GABA, 750 mg
Capsules
85Good qualityMade in USA5.5¢per 500 mg
236% more
- Pack
- $19.95240 capsules
- GABA per serving
- 750 mgin 1 capsule
- Pack lasts
- 240 daysif you take 1 capsule (750 mg) a day
vitacost.com (opens in a new tab)Checked Nov 1, 2026 · Label
- Rank 8
BulkSupplements
GABA Capsules
Capsules
80Good qualityMade in USA5.5¢per 500 mg
236% more
- Pack
- $19.97240 capsules
- GABA per serving
- 750 mgin 1 capsule
- Pack lasts
- 240 daysif you take 1 capsule (750 mg) a day
bulksupplements.com (opens in a new tab)Checked Nov 1, 2026 · Label
- Rank 9
Nutricost
GABA
Capsules
80Good qualityCountry not stated6.1¢per 500 mg
270% more
- Pack
- $21.97240 capsules
- GABA per serving
- 750 mgin 1 capsule
- Pack lasts
- 240 daysif you take 1 capsule (750 mg) a day
nutricost.com (opens in a new tab)Checked Nov 1, 2026 · Label
- Rank 10
Amazing Nutrition
Amazing Formulas GABA - 750 Mg
Capsules
80Good qualityCountry not stated6.2¢per 500 mg
277% more
- Pack
- $27.99300 capsules
- GABA per serving
- 750 mgin 1 capsule
- Pack lasts
- 300 daysif you take 1 capsule (750 mg) a day
amazingnutrition.com (opens in a new tab)Checked Nov 1, 2026 · Label
- Rank 11
Best Naturals
GABA 750mg
Capsules
80Good qualityMade in USA6.3¢per 500 mg
281% more
- Pack
- $16.99180 capsules
- GABA per serving
- 750 mgin 1 capsule
- Pack lasts
- 180 daysif you take 1 capsule (750 mg) a day
shopbestnaturals.com (opens in a new tab)Checked Nov 1, 2026 · Label
- Rank 12
Amazing Nutrition
Amazing Formulas GABA - 750 Mg
Capsules
80Good qualityMade in USA6.3¢per 500 mg
283% more
- Pack
- $18.98200 capsules
- GABA per serving
- 750 mgin 1 capsule
- Pack lasts
- 200 daysif you take 1 capsule (750 mg) a day
amazingnutrition.com (opens in a new tab)Checked Nov 1, 2026 · Label
- Rank 13
Double Wood Supplements
GABA
Capsules
80Good qualityCountry not stated6.7¢per 500 mg
303% more
- Pack
- $19.95300 capsules150 servings
- GABA per serving
- 1,000 mgin 2 capsules
- Pack lasts
- 300 daysif you take 1 capsule (500 mg) a day
vitacost.com (opens in a new tab)Checked Nov 1, 2026 · Label
- Rank 14
Double Wood Supplements
GABA Supplement
Capsules
80Good qualityCountry not stated6.7¢per 500 mg
303% more
- Pack
- $19.95300 capsules150 servings
- GABA per serving
- 1,000 mgin 2 capsules
- Pack lasts
- 300 daysif you take 1 capsule (500 mg) a day
doublewoodsupplements.com (opens in a new tab)Checked Nov 1, 2026 · Label
- Rank 15
Amazing Nutrition
Amazing Formulas GABA - 750 Mg
Capsules
80Good qualityMade in USA6.7¢per 500 mg
303% more
- Pack
- $9.99100 capsules
- GABA per serving
- 750 mgin 1 capsule
- Pack lasts
- 100 daysif you take 1 capsule (750 mg) a day
amazingnutrition.com (opens in a new tab)Checked Nov 1, 2026 · Label
- Rank 16
Best Naturals
Gaba 750 mg
Capsules
80Good qualityMade in USA6.7¢per 500 mg
303% more
- Pack
- $9.99100 capsules
- GABA per serving
- 750 mgin 1 capsule
- Pack lasts
- 100 daysif you take 1 capsule (750 mg) a day
shopbestnaturals.com (opens in a new tab)Checked Nov 1, 2026 · Label
- Rank 17
NOW Foods
GABA, 750 mg
Capsules
80Good qualityMade in USA6.8¢per 500 mg
313% more
- Pack
- $20.43200 capsules
- GABA per serving
- 750 mgin 1 capsule
- Pack lasts
- 200 daysif you take 1 capsule (750 mg) a day
vitacost.com (opens in a new tab)Checked Nov 1, 2026 · Label
- Rank 18
Force Factor
GABA, 750 mg
Capsules
80Good qualityMade in USA7.9¢per 500 mg
380% more
- Pack
- $11.89100 capsules
- GABA per serving
- 750 mgin 1 capsule
- Pack lasts
- 100 daysif you take 1 capsule (750 mg) a day
vitacost.com (opens in a new tab)Checked Nov 1, 2026 · Label
- Rank 19
Best Naturals
GABA, 750 mg
Capsules
80Good qualityMade in USA8¢per 500 mg
385% more
- Pack
- $12.00100 capsules
- GABA per serving
- 750 mgin 1 capsule
- Pack lasts
- 100 daysif you take 1 capsule (750 mg) a day
vitacost.com (opens in a new tab)Checked Nov 1, 2026 · Label
- Rank 20
Best Naturals
GABA, 750 mg
Capsules
80Good qualityMade in USA8.1¢per 500 mg
394% more
- Pack
- $22.00180 capsules
- GABA per serving
- 750 mgin 1 capsule
- Pack lasts
- 180 daysif you take 1 capsule (750 mg) a day
vitacost.com (opens in a new tab)Checked Nov 1, 2026 · Label
- Rank 21
NOW Foods
GABA, 750 mg
Capsules
80Good qualityMade in USA8.2¢per 500 mg
394% more
- Pack
- $12.24100 capsules
- GABA per serving
- 750 mgin 1 capsule
- Pack lasts
- 100 daysif you take 1 capsule (750 mg) a day
vitacost.com (opens in a new tab)Checked Nov 1, 2026 · Label
- Rank 22
Source Naturals
Serene Science, GABA, 750 mg
Capsules
80Good qualityCountry not stated8.2¢per 500 mg
395% more
- Pack
- $22.05180 capsules
- GABA per serving
- 750 mgin 1 capsule
- Pack lasts
- 180 daysif you take 1 capsule (750 mg) a day
vitacost.com (opens in a new tab)Checked Nov 1, 2026 · Label
- Rank 23
Source Naturals
Serene Science, GABA, 750 mg
Tablets
80Good qualityCountry not stated8.4¢per 500 mg
410% more
- Pack
- $22.75180 tablets
- GABA per serving
- 750 mgin 1 tablet
- Pack lasts
- 180 daysif you take 1 tablet (750 mg) a day
vitacost.com (opens in a new tab)Checked Nov 1, 2026 · Label
- Rank 24
Source Naturals
Serene Science, GABA, 750 mg
Capsules
80Good qualityCountry not stated9.3¢per 500 mg
465% more
- Pack
- $12.5990 capsules
- GABA per serving
- 750 mgin 1 capsule
- Pack lasts
- 90 daysif you take 1 capsule (750 mg) a day
vitacost.com (opens in a new tab)Checked Nov 1, 2026 · Label
- Rank 25
Source Naturals
Serene Science, GABA, 750 mg
Tablets
80Good qualityCountry not stated9.6¢per 500 mg
481% more
- Pack
- $12.9590 tablets
- GABA per serving
- 750 mgin 1 tablet
- Pack lasts
- 90 daysif you take 1 tablet (750 mg) a day
vitacost.com (opens in a new tab)Checked Nov 1, 2026 · Label
- Rank 26
Swanson Vitamins
GABA, 500 mg
Capsules
80Good qualityCountry not stated$0.11per 500 mg
572% more
- Pack
- $11.09100 capsules
- GABA per serving
- 500 mgin 1 capsule
- Pack lasts
- 100 daysif you take 1 capsule (500 mg) a day
vitacost.com (opens in a new tab)Checked Nov 1, 2026 · Label
- Rank 27
Swanson Vitamins
GABA - Higher Strength
Capsules
80Good qualityCountry not stated$0.11per 500 mg
572% more
- Pack
- $11.09100 capsules
- GABA per serving
- 500 mgin 1 capsule
- Pack lasts
- 100 daysif you take 1 capsule (500 mg) a day
swansonvitamins.com (opens in a new tab)Checked Nov 1, 2026 · Label
- Rank 28
Nature's Truth
GABA, 750 mg
Capsules
80Good qualityCountry not stated$0.11per 500 mg
584% more
- Pack
- $10.1760 capsules
- GABA per serving
- 750 mgin 1 capsule
- Pack lasts
- 60 daysif you take 1 capsule (750 mg) a day
vitacost.com (opens in a new tab)Checked Nov 1, 2026 · Label
- Rank 29
Source Naturals
Serene Science GABA
Capsules
80Good qualityCountry not stated$0.12per 500 mg
607% more
- Pack
- $31.50180 capsules
- GABA per serving
- 750 mgin 1 capsule
- Pack lasts
- 180 daysif you take 1 capsule (750 mg) a day
sourcenaturals.com (opens in a new tab)Checked Nov 1, 2026 · Label
- Rank 30
Swanson Vitamins
GABA, Maximum Strength, 750 mg
Capsules
80Good qualityCountry not stated$0.13per 500 mg
660% more
- Pack
- $11.2960 capsules
- GABA per serving
- 750 mgin 1 capsule
- Pack lasts
- 60 daysif you take 1 capsule (750 mg) a day
vitacost.com (opens in a new tab)Checked Nov 1, 2026 · Label
- Rank 31
Swanson Vitamins
GABA - Maximum Strength
Capsules
80Good qualityCountry not stated$0.13per 500 mg
660% more
- Pack
- $11.2960 capsules
- GABA per serving
- 750 mgin 1 capsule
- Pack lasts
- 60 daysif you take 1 capsule (750 mg) a day
swansonvitamins.com (opens in a new tab)Checked Nov 1, 2026 · Label
- Rank 32
Source Naturals
Serene Science GABA
Capsules
80Good qualityCountry not stated$0.13per 500 mg
707% more
- Pack
- $17.9890 capsules
- GABA per serving
- 750 mgin 1 capsule
- Pack lasts
- 90 daysif you take 1 capsule (750 mg) a day
sourcenaturals.com (opens in a new tab)Checked Nov 1, 2026 · Label
- Rank 33
Nature's Truth
GABA 750 mg (Gamma Aminobutyric Acid)
Capsules
80Good qualityCountry not stated$0.13per 500 mg
707% more
- Pack
- $11.9960 capsules
- GABA per serving
- 750 mgin 1 capsule
- Pack lasts
- 60 daysif you take 1 capsule (750 mg) a day
naturestruth.com (opens in a new tab)Checked Nov 1, 2026 · Label
- Rank 34
Source Naturals
Serene Science GABA
Tablets
80Good qualityCountry not stated$0.14per 500 mg
730% more
- Pack
- $18.5090 tablets
- GABA per serving
- 750 mgin 1 tablet
- Pack lasts
- 90 daysif you take 1 tablet (750 mg) a day
sourcenaturals.com (opens in a new tab)Checked Nov 1, 2026 · Label
- Rank 35
NaturesPlus
PRO GABA 500
Capsules
80Good qualityCountry not stated$0.16per 500 mg
840% more
- Pack
- $9.3160 capsules
- GABA per serving
- 500 mgin 1 capsule
- Pack lasts
- 60 daysif you take 1 capsule (500 mg) a day
vitacost.com (opens in a new tab)Checked Nov 1, 2026 · Label
- Rank 36
Source Naturals
Serene Science GABA
Tablets
80Good qualityCountry not stated$0.16per 500 mg
842% more
- Pack
- $10.5045 tablets
- GABA per serving
- 750 mgin 1 tablet
- Pack lasts
- 45 daysif you take 1 tablet (750 mg) a day
sourcenaturals.com (opens in a new tab)Checked Nov 1, 2026 · Label
- Rank 37
Protocol for Life Balance
GABA, 750 mg
Capsules
80Good qualityCountry not stated$0.17per 500 mg
905% more
- Pack
- $29.87120 capsules
- GABA per serving
- 750 mgin 1 capsule
- Pack lasts
- 120 daysif you take 1 capsule (750 mg) a day
vitacost.com (opens in a new tab)Checked Nov 1, 2026 · Label
- Rank 38
KAL
GABA, 750 mg
Tablets
80Good qualityCountry not stated$0.18per 500 mg
976% more
- Pack
- $23.9990 tablets
- GABA per serving
- 750 mgin 1 tablet
- Pack lasts
- 90 daysif you take 1 tablet (750 mg) a day
vitacost.com (opens in a new tab)Checked Nov 1, 2026 · Label
- Rank 39
Solgar
GABA, 500 mg
Capsules
80Good qualityCountry not stated$0.19per 500 mg
1,035% more
- Pack
- $18.74100 capsules
- GABA per serving
- 500 mgin 1 capsule
- Pack lasts
- 100 daysif you take 1 capsule (500 mg) a day
vitacost.com (opens in a new tab)Checked Nov 1, 2026 · Label
- Rank 40
NutraBio
GABA (500mg)
Capsules
85Good qualityMade in USA$0.19per 500 mg
1,043% more
- Pack
- $16.9990 capsules45 servings
- GABA per serving
- 1,000 mgin 2 capsules
- Pack lasts
- 90 daysif you take 1 capsule (500 mg) a day
nutrabio.com (opens in a new tab)Checked Nov 1, 2026 · Label
Good to know
- Fact
- 29,172%more per 500 mg for the most expensive product than for the cheapest.
- Fact
- 410%more per 500 mg for the cheapest tablets than for the cheapest powder.
How we checked: one-time price for each size in the store’s US online shop, before sales tax and shipping, without subscriptions or coupons. Prices change often, so check the store before you buy. More on how we check
The amount we compare by only makes products comparable – it is not a dosage recommendation. Not medical advice.
How we calculate
Cost per dose = price ÷ (servings × amount per serving) × comparison amount. Example: $119.99 for 74 servings with 24 g of protein each is 1,776 g of protein. $119.99 ÷ 1,776 g × 30 g = $2.03 per 30 g of protein.
Found a mistake or a product we should add? Email us