Independent side-by-side comparison of Licensed Peptides and Peptira — third-party lab grades, tested purity, COA availability, FDA warnings, and community ratings.
Bottom line: Peptira shows higher average tested purity (99.7% vs 99.4%); Peptira has more published third-party tests (27 vs 2).
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. Peptira: 27 independent Janoshik assays, across 23 substances, median measured purity 99.8%, most recent 2025-10-27.
| Attribute | Licensed Peptides | Peptira |
|---|---|---|
| Third-party tests | 2 tests, avg purity 99.4% | 27 tests, avg purity 99.7% |
| COA available | No | No |
| Endotoxin tested | No | No |
| FDA warnings | None on record | None on record |
| Substance | Licensed Peptides | Peptira |
|---|---|---|
| Cagrilintide 10mg | Not tested | 99.48% (2 assays, latest 2025-08-13) |
| Tesamorelin 10mg | Not tested | 99.15% (2 assays, latest 2025-08-13) |
| Reta 30mg | Not tested | 99.87% (2 assays, latest 2025-08-13) |
| Reta 20mg | Not tested | 99.73% (2 assays, latest 2025-08-13) |
| Retatrutide 40mg | 99.72% (1 assay, latest 2025-10-09) | Not tested |
| Retatrutide 12mg | 99.11% (1 assay, latest 2025-08-27) | Not tested |
| Bacteriostatic Water 3ml | Not tested | purity not reported (1 assay, latest 2025-10-27) |
| BAC Water 3ml | Not tested | purity not reported (1 assay, latest 2025-09-15) |
| Cjc-1295 NO DAC 10mg | Not tested | 99.78% (1 assay, latest 2025-08-29) |
| Nad+ 500mg | Not tested | purity not reported (1 assay, latest 2025-08-13) |
| Tirz 60mg | Not tested | 99.97% (1 assay, latest 2025-08-13) |
| SEMA 20mg | Not tested | 99.93% (1 assay, latest 2025-07-16) |
| Checked | Licensed Peptides | Peptira |
|---|---|---|
| Certificates of analysis | None found on the site | None found on the site |
| Products listed | 91 | 100 |
| Public pricing | Listed on the site | Listed on the site |
| Payment methods | Bank Transfer, Credit Card | Not stated |
| Ships to | United States | United States, Canada, Worldwide |
| Carriers | FedEx, UPS, USPS | Not stated |
| Research-use-only notice | Published | Published |
| Stated origin | United States | Not stated |
Peptira. Licensed Peptides: 2 independent Janoshik assays, across 2 substances, median measured purity 99.4%, most recent 2025-10-09. Peptira: 27 independent Janoshik assays, across 23 substances, median measured purity 99.8%, most recent 2025-10-27. 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 Peptira'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 Peptira states it ships to United States, Canada, Worldwide. Both are read from the vendors' own sites.
Full profiles: Licensed Peptides, Peptira.
Full lab-test records: All 2 Licensed Peptides lab tests, All 27 Peptira lab tests.
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