Vendor profile
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Peptide Gurus
D
Composite 4.8 / 10
Last updated 2026-08-31. 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 |
|---|---|---|---|---|---|---|---|---|
| Semaglutide | 7.7B+ |
7.8 | 6 | — | — | — | — | view |
| Tirzepatide | 5.5C |
6.9 | 7 | — | — | — | — | view |
| Retatrutide | 4.9D |
6.2 | 7 | — | — | — | — | view |
| Ipamorelin | 4.3D |
4.7 | 7 | — | — | — | — | view |
| PT-141 | 4.0D |
5.0 | 3 | — | — | — | — | view |
| CJC-1295 | 3.9D |
2.4 | 6 | — | — | — | — | view |
| BPC-157 | 2.9E |
3.6 | 7 | — | — | — | — | view |
| Tesamorelin | — |
— | 0 | — | — | — | — | 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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