C
Composite 5.8 / 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 |
|---|---|---|---|---|---|---|---|---|
| Tirzepatide | 8.1B+ |
8.1 | 2 | — | — | — | — | view |
| Retatrutide | 8.0B+ |
8.0 | 2 | — | — | — | — | view |
| Semaglutide | 7.3B |
7.3 | 2 | — | — | — | — | view |
| PT-141 | 6.1C |
6.1 | 2 | — | — | — | — | view |
| BPC-157 | 5.4C |
5.4 | 2 | — | — | — | — | view |
| Sermorelin | 5.4C |
5.4 | 2 | — | — | — | — | view |
| TB-500 | 4.3D |
4.3 | 2 | — | — | — | — | view |
| Tesamorelin | 4.0D |
5.0 | 2 | — | — | — | — | view |
| CJC-1295 | 3.7D |
3.7 | 2 | — | — | — | — | 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 (2026-03-05) (pending)
All vendor grades, side-by-side
Compare NuLife Peptides against every other vendor in the grade hub →
Top-5 ranked vendors per peptide, plus the highest-rated vendors overall. Daily refresh.