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Every listing is converted to an effective cost per stated unit so unlike vial sizes can be compared.
Compare research-peptide prices, vendor testing documentation and current discount codes—then read the evidence before you leave the page.
Research use only. We may earn a commission from clearly marked partner links. Commercial relationships never change the displayed calculation.
Compare current listings
We normalize vial size, apply only PeptideStat codes and separate vendor-published documentation from independent verification.
19 tracked compounds
| Vendor | Listing | List | PeptideStat code | Effective price | Per mg | Evidence state | Action |
|---|---|---|---|---|---|---|---|
Ascension PeptidesActive referral partnerBest value | BPC-157 10mgUnited States · checked 2026-08-02 | $49 | −50% | $24.5estimate | $2.45/mg | Batch report linkedDirect price source | Use code |
Glacier AminosPartner application pending | BPC-157 20mgUnited States · checked 2026-08-02 | $79.99 | Application pending | $79.99 | $4.00/mg | COA library onlyNeeds source recheck | View listing |
Ion PeptidePartner application pending | BPC-157 20mgUnited States · checked 2026-08-02 | $85 | Application pending | $85 | $4.25/mg | Product-page COADirect price source | View listing |
EZ PeptidesPartner application pending | BPC-157 10mgUnited States · checked 2026-08-02 | $44 | Application pending | $44 | $4.40/mg | Vendor testing claimCatalog price source | View listing |
Prices exclude shipping and tax. Effective price applies a known code when listed; otherwise it equals list price. Verify checkout. Vendor-hosted reports are not PeptideStat product verification.
Open full comparison →Our methodology
A low price and a polished certificate answer different questions. PeptideStat shows both without collapsing them into a vague star score.
Read the methodologyOpen the 2026 transparency reportEvery listing is converted to an effective cost per stated unit so unlike vial sizes can be compared.
We record whether a vendor publishes product, batch or library-level testing documentation.
Every price and code carries a check date. Stale commercial data should look stale.
Vendor watchlist

Vendor publishes third-party reports with batch and test dates.
United States · USD

Vendor states that third-party testing is published by product.
United States · USD

Vendor provides public product documentation; match it to the lot.
United States · USD

Vendor publishes batch references and analytical test dates.
United States · USD

Vendor links to a catalog-level certificate library.
United States · USD

Vendor publishes batch identifiers, test dates and product-linked third-party reports.
United Arab Emirates & GCC · AED
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peptide-basics
Unopened bacteriostatic water lasts until its printed expiry at room temperature. Once the vial is punctured, standard practice is to date it and discard within 28 days. That window covers the diluent, not the peptide mixed with it.
Read the guideBuilt on an existing research library