Independent side-by-side comparison of Cocer Peptides and VPeptide — third-party lab grades, tested purity, COA availability, FDA warnings, and community ratings.
Bottom line: VPeptide holds the stronger independent lab grade (ungraded vs A); Cocer Peptides has more published third-party tests (37 vs 0); VPeptide carries more community reviews (520).
Every figure below is either measured by an independent laboratory or read from the vendor's own website, and the source is named against it. PeptideAtlas is not affiliated with either vendor.
Cocer Peptides: 37 independent Janoshik assays, across 30 substances, median measured purity 99.6%, most recent 2026-03-27. VPeptide has no independent Janoshik assays on file.
| Attribute | Cocer Peptides | VPeptide |
|---|---|---|
| Independent lab grade | Not graded | A |
| Third-party tests | 37 tests, avg purity 99.6% | None published |
| Community rating | No reviews | 4.8/5 (520 reviews) |
| COA available | No | Yes |
| Endotoxin tested | No | Yes |
| FDA warnings | None on record | None on record |
| Production country | Not specified | Canada |
| Year established | Unknown | 2022 |
| Substance | Cocer Peptides | VPeptide |
|---|---|---|
| Retatrutide 10mg | 99.31% (3 assays, latest 2026-02-05) | Not tested |
| Tirzepatide 30mg | 99.76% (3 assays, latest 2026-01-16) | Not tested |
| Kisspeptin 10mg | 99.62% (2 assays, latest 2026-01-19) | Not tested |
| Epithalon 10mg | 99.34% (2 assays, latest 2026-01-07) | Not tested |
| Reta 20mg | 99.57% (2 assays, latest 2025-10-23) | Not tested |
| Tb 500 Farg 10mg | 99.90% (1 assay, latest 2026-03-27) | Not tested |
| Glow | purity not reported (1 assay, latest 2026-03-27) | Not tested |
| Tb/bp 30/30 | purity not reported (1 assay, latest 2026-03-27) | Not tested |
| Reta10mg | 99.73% (1 assay, latest 2026-03-18) | Not tested |
| Bpc 10mg | 99.79% (1 assay, latest 2026-03-18) | Not tested |
| Motsc 10mg | 99.44% (1 assay, latest 2026-03-18) | Not tested |
| AOD 5mg | 99.08% (1 assay, latest 2026-02-20) | Not tested |
| Checked | Cocer Peptides | VPeptide |
|---|---|---|
| Certificates of analysis | 20 published on the site | None found on the site |
| Products listed | Not stated | 160 |
| Public pricing | Not stated | Listed on the site |
| Payment methods | Cryptocurrency, Credit Card | Cryptocurrency |
| Ships to | Worldwide | Canada |
| Carriers | Not stated | Canada Post |
| Research-use-only notice | Published | Published |
| Stated origin | Hong Kong | Not stated |
Cocer Peptides. Cocer Peptides: 37 independent Janoshik assays, across 30 substances, median measured purity 99.6%, most recent 2026-03-27. VPeptide has no independent Janoshik assays on file. These are third-party Janoshik assays published against the vendor, not the vendor's own certificates.
Cocer Peptides publishes 20 certificates of analysis on its own site, and we found no certificates of analysis anywhere on VPeptide's site. A published COA is the vendor's own document; the assay figures elsewhere on this page are independent of it.
Cocer Peptides states it ships to Worldwide, and VPeptide states it ships to Canada. Both are read from the vendors' own sites.
Full profiles: Cocer Peptides, VPeptide.
Full lab-test records: All 37 Cocer Peptides lab tests.
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