Independent side-by-side comparison of Peptira and UGL OZ Shogun — third-party lab grades, tested purity, COA availability, FDA warnings, and community ratings.
Bottom line: Peptira shows higher average tested purity (99.7% vs 98.0%); Peptira has more published third-party tests (27 vs 3).
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.
Peptira: 27 independent Janoshik assays, across 23 substances, median measured purity 99.8%, most recent 2025-10-27. UGL OZ Shogun: 3 independent Janoshik assays, across 3 substances, median measured purity 97.7%, most recent 2025-09-29.
| Attribute | Peptira | UGL OZ Shogun |
|---|---|---|
| Third-party tests | 27 tests, avg purity 99.7% | 3 tests, avg purity 98.0% |
| COA available | No | Yes |
| Endotoxin tested | No | No |
| FDA warnings | None on record | None on record |
| Substance | Peptira | UGL OZ Shogun |
|---|---|---|
| Cagrilintide 10mg | 99.48% (2 assays, latest 2025-08-13) | Not tested |
| Tesamorelin 10mg | 99.15% (2 assays, latest 2025-08-13) | Not tested |
| Reta 30mg | 99.87% (2 assays, latest 2025-08-13) | Not tested |
| Reta 20mg | 99.73% (2 assays, latest 2025-08-13) | Not tested |
| Bacteriostatic Water 3ml | purity not reported (1 assay, latest 2025-10-27) | Not tested |
| BAC Water 3ml | purity not reported (1 assay, latest 2025-09-15) | Not tested |
| Cjc-1295 NO DAC 10mg | 99.78% (1 assay, latest 2025-08-29) | Not tested |
| Nad+ 500mg | purity not reported (1 assay, latest 2025-08-13) | Not tested |
| Tirz 60mg | 99.97% (1 assay, latest 2025-08-13) | Not tested |
| SEMA 20mg | 99.93% (1 assay, latest 2025-07-16) | Not tested |
| Melanotan 2 10mg | 99.95% (1 assay, latest 2025-07-16) | Not tested |
| Melanotan 1 10mg | 99.75% (1 assay, latest 2025-07-16) | Not tested |
| Checked | Peptira | UGL OZ Shogun |
|---|---|---|
| Certificates of analysis | None found on the site | Not stated |
| Products listed | 100 | Not stated |
| Public pricing | Listed on the site | Not stated |
| Ships to | United States, Canada, Worldwide | Not stated |
| Research-use-only notice | Published | Not stated |
Peptira. Peptira: 27 independent Janoshik assays, across 23 substances, median measured purity 99.8%, most recent 2025-10-27. UGL OZ Shogun: 3 independent Janoshik assays, across 3 substances, median measured purity 97.7%, most recent 2025-09-29. These are third-party Janoshik assays published against the vendor, not the vendor's own certificates.
We found no certificates of analysis anywhere on Peptira's site, and UGL OZ Shogun states that COAs are available. A published COA is the vendor's own document; the assay figures elsewhere on this page are independent of it.
Peptira states it ships to United States, Canada, Worldwide, and UGL OZ Shogun does not state one. Both are read from the vendors' own sites.
Full profiles: Peptira, UGL OZ Shogun.
Full lab-test records: All 27 Peptira lab tests, All 3 UGL OZ Shogun lab tests.
Related comparisons: Peptira vs Licensed Peptides, UGL OZ Shogun vs Mei Peptide.