PNC-28 COA — Verified Certificate of Analysis Results
3 independent third-party certificates of analysis for PNC-28, from 1 labs across 2 vendors (2026-01-16 to 2026-06-07).
Every PNC-28 certificate of analysis below is from an independent third-party lab, ingested and verified by TitrateLab. The figures here are computed live from the 3 published PNC-28 certs in our corpus.
3
Certificates
1
Independent labs
97.0%
Median tested purity
0%
Within 10% of label dose
↑ 100%
Overdosed (≥ +7% vs label)
↓ 0%
Underdosed (≤ −7% vs label)
Verified PNC-28 certificates of analysis
| Vendor | Purity | Dose vs label | Lab | Tested | |
|---|---|---|---|---|---|
| Research 1 Peptides | 99.16% | — | Freedom Diagnostics | 2026-06-07 | View COA → |
| Peptaris | 96.018% | +18.9% | Freedom Diagnostics | 2026-02-24 | View COA → |
| Peptaris | 97.046% | — | Freedom Diagnostics | 2026-01-16 | View COA → |