Nootropic peptides for sale: compare Selank, Semax, P21 and 15 more from 7 vendors (2026)
Research products listed under the Cognitive catalogue category, with dated vendor prices and verified discounts only where explicitly recorded. Category names are navigation labels, not evidence of efficacy or approved indications.
18 of 18 products
Showing 9 of 18 products
PeptideTech compares 18 cognitive peptides across 7 US vendors. The lowest price in this category is $16.00 for Fasoracetam Powder 1000mg. Prices use each vendor’s listed price or an explicitly recorded verified discount, before shipping. Refresh schedules differ; check the source date on each offer.
Cognitive peptides price comparison table
Every product we track in this category, with the lowest current in-stock price for its default package. Only source checks from the last seven days qualify for current prices; out-of-stock offers are excluded; open a product for every size, form and vendor. Prices are before shipping.
| Product | Package | Lowest current price | Per mg | Cheapest vendor | In stock now | Vendors listing it |
|---|---|---|---|---|---|---|
| Selank | 10mg | $39.99 | $4.00/mg | LA Peptides | 5 | 7 |
| Semax | 10mg | $34.99 | $3.50/mg | Nova Peptide Supply | 4 | 7 |
| Semax / Selank | 10/10mg | $68.00 | $3.40/mg | Amino USA | 1 | 4 |
| P21 | 5mg | $120.00 | $24.00/mg | American Peptides | 1 | 1 |
| Adamax | 10mg | $90.00 | $9.00/mg | American Peptides | 1 | 3 |
| Dihexa | 10mg | $98.99 | $9.90/mg | Cenexa Labs | 1 | 5 |
| Agomelatine Powder | 1000mg | $40.00 | $0.04/mg | Amino USA | 1 | 1 |
| Cerebrolysin | 60mg | $62.99 | $1.05/mg | Cenexa Labs | 1 | 1 |
| Fasoracetam Powder | 1000mg | $16.00 | $0.02/mg | Amino USA | 1 | 1 |
| ISRIB Powder | 500mg | $55.00 | $0.11/mg | Amino USA | 1 | 1 |
| N-Acetyl Semax Amidate | 30mg | $65.00 | $2.17/mg | Amino USA | 1 | 2 |
| Nefiracetam Powder | 10000mg | $40.00 | $0.0040/mg | Amino USA | 1 | 1 |
| Noopept Powder | 10000mg | $20.00 | $0.0020/mg | Amino USA | 1 | 1 |
| PE-22-28 | 10mg | $50.00 | $5.00/mg | Amino USA | 3 | 3 |
| Phenibut FAA Powder | 10000mg | $25.00 | $0.0025/mg | Amino USA | 1 | 1 |
| Phenibut HCl Powder | 10000mg | $20.00 | $0.0020/mg | Amino USA | 1 | 1 |
| Pramiracetam Powder | 10000mg | $30.00 | $0.0030/mg | Amino USA | 1 | 1 |
| Adalank Spray | 15mg | — | — | No current in-stock offer | 0 | 1 |
Where can I buy cognitive peptides?
PeptideTech compares 18 cognitive peptides across 7 vendors (American Peptides, Amino Club, Amino USA, Blank Peptides, Cenexa Labs, LA Peptides, Nova Peptide Supply). Each product page ranks vendors by displayed price, including a code only when its discounted price is verified, before shipping.
| Supplier | Products | COA | Shipping |
|---|---|---|---|
| American Peptides | 8 | Supplier COA source ↗ | US · same-day dispatch |
| Amino Club | 5 | Supplier COA source ↗ | US store: 50 states; international delivery not verified |
| Amino USA | 14 | Supplier COA source ↗ | United States only · UPS Ground $9.75; UPS 2 Day $12.75, free over $250; PO Box/APO USPS $11. Tax extra. |
| Blank Peptides | 2 | Not recorded | US |
| Cenexa Labs | 5 | Not recorded | United States · free shipping over $300 |
| LA Peptides | 5 | Supplier COA source ↗ | from the US in 1–2 business days · Standard $9.99 or Expedited $24.99 · free shipping and a free 10 mL BAC water over $200 |
| Nova Peptide Supply | 3 | Supplier COA source ↗ | United States only · FedEx 2-Day |
COA availability is vendor-reported, not independently authenticated. Match the lot and analytical report with the item offered.
Cognitive peptides for sale: questions
Automated price sources are scheduled daily; other sources are checked manually. Check the offer's last successful source timestamp. A code is shown when it is attached to an offer or affiliate link. The displayed price includes a discount only when that code is cart-verified and the discounted price is explicitly recorded; otherwise it is the vendor's listed price. Prices exclude shipping. Stock status is captured at the same time. Rankings are by displayed price, except that the labelled featured partner, LA Peptides, is pinned first; “Cheapest” always marks the lowest price. PeptideTech earns a commission when you buy through a link.
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