Peptide C COA — Verified Certificate of Analysis Results
8 independent third-party certificates of analysis for Peptide C, from 1 labs across 3 vendors (2026-02-24 to 2026-06-20).
Every Peptide C certificate of analysis below is from an independent third-party lab, ingested and verified by TitrateLab. The figures here are computed live from the 8 published Peptide C certs in our corpus.
Assay metrics
Peptide C lab-testing metrics
99.7%
Median tested purity
0
Zero-purity certs
Mean purity99.7%
Mean dose vs label+8.4%
Within 10% of label dose60%
Overdosed ≥ +7%60%
Underdosed ≤ −7%0%
COAs per testing lab
Every lab testing Peptide C in the corpus.
Tested-purity distribution
Bins below 90% tested purity.
| Purity range | Certificates |
|---|---|
| 0–50% | 0 |
| 50–70% | 0 |
| 70–80% | 0 |
| 80–85% | 0 |
| 85–90% | 0 |
| 90–91% | 0 |
| 91–92% | 0 |
| 92–93% | 0 |
| 93–94% | 0 |
| 94–95% | 0 |
| 95–96% | 0 |
| 96–97% | 0 |
| 97–98% | 0 |
| 98–99% | 0 |
| 99–100% | 8 |
COAs over time
Peptide C certificates published per month.
| Month | Certificates |
|---|---|
| 2026-02 | 1 |
| 2026-03 | 3 |
| 2026-04 | 1 |
| 2026-05 | 1 |
| 2026-06 | 2 |
Most-tested vendors
Vendors by Peptide C certificate count.
See who tests most — unlock the vendor names with Pro.
Verified Peptide C certificates of analysis
8 records. Zero guesswork.
Unlock the actual vendor, purity, dose accuracy, lab, batch and saved certificate for every Peptide C result.
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