PE22-28 COA — Verified Certificate of Analysis Results
5 independent third-party certificates of analysis for PE22-28, from 1 labs across 5 vendors (2025-09-21 to 2026-02-16).
Every PE22-28 certificate of analysis below is from an independent third-party lab, ingested and verified by TitrateLab. The figures here are computed live from the 5 published PE22-28 certs in our corpus.
5
Certificates
1
Independent labs
99.4%
Median tested purity
33%
Within 10% of label dose
↑ 0%
Overdosed (≥ +7% vs label)
↓ 67%
Underdosed (≤ −7% vs label)
Verified PE22-28 certificates of analysis
| Vendor | Purity | Dose vs label | Lab | Tested | |
|---|---|---|---|---|---|
| Grey Market Peptides | 99.408% | — | Freedom Diagnostics | 2026-02-16 | View COA → |
| AminoTech | 99.408% | — | Freedom Diagnostics | 2026-02-16 | View COA → |
| Peptide Research Supply | 99.676% | -43.5% | Freedom Diagnostics | 2025-12-11 | View COA → |
| AMC Essentials | 99.263% | +5.4% | Freedom Diagnostics | 2025-10-09 | View COA → |
| Peptide Tech | 99.524% | -13.2% | Freedom Diagnostics | 2025-09-21 | View COA → |