GB-115
A Russian-developed retro-analog of cholecystokinin-4 that blocks central cholecystokinin receptors. Reduced anxiety in rodents without benzodiazepine-like sedation, and a small pilot study in generalized anxiety disorder reported benefit.
Investigational in Russia; not approved.
Look it up on Wikipedia1 listing across 1 independently tested vendor, ranked by price per milligram after coupon codes anyone can use. Vendors you can only order from by message are hidden.
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Daily price tracking started October 7, 2026; a price-history chart appears here once a few days have been collected.
| Vendor | Trust | Listing | Vials | Price | Per mg | |
|---|---|---|---|---|---|---|
Modern Aminos Affiliate #125 by metascore · US |
Metascore 75 medium confidenceFinnrick 79%PepIndex 81/100Bought vials 100% of label · 5 testsTitrateLab · PeptideBase · Peptide CriticNo report for thisOnline checkout |
GB-115 $30 off through this site's link (new customers) |
60 × 2.5 mg = 150 mg | $54.00 $30 off through this site's link (new customers) $0.90 per vial |
$0.360 | Buy |
Mixing a 2.5 mg vial
What each common amount of bacteriostatic water gives you on a U-100 insulin syringe. Pick a vial size above to change it.
| Water | Strength | Per 10 units (0.1 mL) | Per unit |
|---|---|---|---|
| 1 mL | 2.5 mg/mL | 250 mcg | 25 mcg |
| 2 mL | 1.25 mg/mL | 125 mcg | 12.5 mcg |
| 3 mL | 0.833 mg/mL | 83.3 mcg | 8.33 mcg |
| 5 mL | 0.5 mg/mL | 50 mcg | 5 mcg |
Discussions elsewhere
Experiences and questions about GB-115 on other sites. Treat anecdotes with care.
GB-115: questions people ask
What is GB-115?
Anxiolytic dipeptide. A Russian-developed retro-analog of cholecystokinin-4 that blocks central cholecystokinin receptors. Reduced anxiety in rodents without benzodiazepine-like sedation, and a small pilot study in generalized anxiety disorder reported benefit.
How much does GB-115 cost?
The cheapest GB-115 from an independently tested vendor is $0.360 per mg (Modern Aminos, GB-115, $54.00). Across 1 listings from 1 vendors the median is $0.360 per mg.
Where can I buy GB-115?
1 vendors tested by Finnrick sell GB-115. The cheapest per mg right now: Modern Aminos ($0.360). 0 of them publish a lab report (COA) for GB-115; compare lab scores and reports in the table above before buying.
Is GB-115 FDA approved?
Investigational in Russia; not approved.