Independent side-by-side comparison of Licensed 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); Licensed Peptides has more published third-party tests (2 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.
Licensed Peptides: 2 independent Janoshik assays, across 2 substances, median measured purity 99.4%, most recent 2025-10-09. VPeptide has no independent Janoshik assays on file.
| Attribute | Licensed Peptides | VPeptide |
|---|---|---|
| Independent lab grade | Not graded | A |
| Third-party tests | 2 tests, avg purity 99.4% | 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 | Licensed Peptides | VPeptide |
|---|---|---|
| Retatrutide 40mg | 99.72% (1 assay, latest 2025-10-09) | Not tested |
| Retatrutide 12mg | 99.11% (1 assay, latest 2025-08-27) | Not tested |
| Checked | Licensed Peptides | VPeptide |
|---|---|---|
| Certificates of analysis | None found on the site | None found on the site |
| Products listed | 91 | 160 |
| Public pricing | Listed on the site | Listed on the site |
| Payment methods | Bank Transfer, Credit Card | Cryptocurrency |
| Ships to | United States | Canada |
| Carriers | FedEx, UPS, USPS | Canada Post |
| Research-use-only notice | Published | Published |
| Stated origin | United States | Not stated |
Licensed Peptides. Licensed Peptides: 2 independent Janoshik assays, across 2 substances, median measured purity 99.4%, most recent 2025-10-09. VPeptide has no independent Janoshik assays on file. These are third-party Janoshik assays published against the vendor, not the vendor's own certificates.
We found no certificates of analysis anywhere on Licensed Peptides' 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.
Licensed Peptides states it ships to United States, and VPeptide states it ships to Canada. Both are read from the vendors' own sites.
Full profiles: Licensed Peptides, VPeptide.
Full lab-test records: All 2 Licensed Peptides lab tests.
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