Vendor profile
Research · US · —
PurePeptides
C
Composite 5.9 / 10
Last updated 2026-08-10. 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 |
|---|---|---|---|---|---|---|---|---|
| Tirzepatide | 6.7B |
8.3 | 6 | — | — | — | — | view |
| Retatrutide | 6.0C |
7.5 | 7 | — | — | — | — | view |
| Ipamorelin | 4.5D |
5.6 | 4 | — | — | — | — | view |
| BPC-157 | — |
— | 0 | — | — | — | — | view |
| CJC-1295 | — |
— | 0 | — | — | — | — | view |
| GHK-Cu | — |
— | 0 | — | — | — | — | 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)
All vendor grades, side-by-side
Compare PurePeptides against every other vendor in the grade hub →
Top-5 ranked vendors per peptide, plus the highest-rated vendors overall. Daily refresh.