C
Composite 5.4 / 10
Last updated 2026-10-05. 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 | 6.5B |
8.2 | 5 | — | — | — | — | view |
| Tirzepatide | 6.4C |
8.0 | 16 | — | — | — | — | view |
| Retatrutide | 6.2C |
7.8 | 29 | — | — | — | — | view |
| Semaglutide | 5.6C |
6.8 | 19 | — | — | — | — | view |
| PT-141 | 5.2C |
6.5 | 8 | — | — | — | — | view |
| CJC-1295 | 4.0D |
3.2 | 4 | — | — | — | — | view |
| BPC-157 | 2.8E |
3.5 | 17 | — | — | — | — | view |
| Epitalon | — |
— | 0 | — | — | — | — | view |
| TB-500 | — |
— | 0 | — | — | — | — | view |
| Tesamorelin | — |
— | 0 | — | — | — | — | view |
COA transparency
- ✓ Publishes per-batch COAs (not just one COA for everyone)
- ✓ Both HPLC and mass spec shown
- ○ Endotoxin or sterility data shown (pending)
- ○ At least one COA independently cross-checked (pending)
- ○ Most recent COA within 90 days (2026-04-26) (pending)
All vendor grades, side-by-side
Compare Polaris Peptides against every other vendor in the grade hub →
Top-5 ranked vendors per peptide, plus the highest-rated vendors overall. Daily refresh.