Vendor profile
Research · US · —
Paramount Peptides
C
Composite 5.4 / 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 |
|---|---|---|---|---|---|---|---|---|
| Retatrutide | 6.7B |
8.4 | 12 | — | — | — | — | view |
| Semaglutide | 6.5C |
8.1 | 9 | — | — | — | — | view |
| Ipamorelin | 5.9C |
7.4 | 7 | — | — | — | — | view |
| Tirzepatide | 5.9C |
7.3 | 11 | — | — | — | — | view |
| PT-141 | 5.1C |
6.4 | 3 | — | — | — | — | view |
| BPC-157 | 4.2D |
5.2 | 11 | — | — | — | — | view |
| CJC-1295 | 3.2E |
3.0 | 9 | — | — | — | — | view |
| GHK-Cu | — |
— | 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 Paramount Peptides against every other vendor in the grade hub →
Top-5 ranked vendors per peptide, plus the highest-rated vendors overall. Daily refresh.