MK-677 COA — Verified Certificate of Analysis Results
10 independent third-party certificates of analysis for MK-677, from 2 labs across 7 vendors (2020-06-16 to 2026-06-22).
Every MK-677 certificate of analysis below is from an independent third-party lab, ingested and verified by TitrateLab. The figures here are computed live from the 10 published MK-677 certs in our corpus.
10
Certificates
2
Independent labs
99.1%
Median tested purity
80%
Within 10% of label dose
↑ 0%
Overdosed (≥ +7% vs label)
↓ 20%
Underdosed (≤ −7% vs label)
Verified MK-677 certificates of analysis
| Vendor | Purity | Dose vs label | Lab | Tested | |
|---|---|---|---|---|---|
| Elite Research Usa | 99.94% | -3.9% | Freedom Diagnostics | 2026-06-22 | View COA → |
| Simple Peptide | 99.12% | +3.2% | Freedom Diagnostics | 2026-05-20 | View COA → |
| Unknown vendor (review) | 99.12% | +3.2% | Freedom Diagnostics | 2026-05-20 | View COA → |
| Unknown vendor (review) | 99.65% | -17.0% | Freedom Diagnostics | 2026-05-09 | View COA → |
| Unknown vendor (review) | 99.138% | — | Freedom Diagnostics | 2026-03-13 | View COA → |
| — | 93.37% | — | Janoshik | 2025-05-27 | View COA → |
| PurePlatinum | — | -2.3% | Janoshik | 2024-12-06 | View COA → |
| androbolics.com | 98.0% | — | Janoshik | 2023-07-18 | View COA → |
| Qingdao Sigma Chemical | 96.0% | — | Janoshik | 2022-12-10 | View COA → |
| ExpressPCT | 98.0% | — | Janoshik | 2020-06-16 | View COA → |