Vendor profile
Research · US · —
Oupeptide
B+
Composite 7.6 / 10
Last updated 2026-09-28. Composite is computed from the live database; missing sub-scores redistribute weight across the others.
Peptide breakdown
| Peptide | Score | Lab quality | Tests | Purity | Qty var. | $/mg verified | Last test | Ranking |
|---|---|---|---|---|---|---|---|---|
| GHK-Cu | 8.6B+ |
8.3 | 15 | — | — | — | — | view |
| Tirzepatide | 8.4B+ |
8.0 | 61 | — | — | — | — | view |
| Retatrutide | 8.0B+ |
7.5 | 64 | — | — | — | — | view |
| Ipamorelin | 7.0B |
7.0 | 7 | — | — | — | — | view |
| Semaglutide | 6.7B |
6.7 | 6 | — | — | — | — | view |
| PT-141 | 6.7B |
5.8 | 4 | — | — | — | — | view |
| BPC-157 | 5.6C |
4.5 | 10 | — | — | — | — | view |
| Tesamorelin | 5.0D |
3.7 | 14 | — | — | — | — | view |
| TB-500 | 3.2E |
3.2 | 5 | — | — | — | — | view |
COA transparency
- ○ Publishes per-batch COAs (not just one COA for everyone) (pending)
- ○ Both HPLC and mass spec shown (pending)
- ○ Endotoxin or sterility data shown (pending)
- ○ At least one COA independently cross-checked (pending)
- ○ Most recent COA within 90 days (pending)
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