Ostarine (mk-2866) COA — Verified Certificate of Analysis Results
7 independent third-party certificates of analysis for Ostarine (mk-2866), from 1 labs across 5 vendors (2021-04-15 to 2025-01-07).
Every Ostarine (mk-2866) certificate of analysis below is from an independent third-party lab, ingested and verified by TitrateLab. The figures here are computed live from the 7 published Ostarine (mk-2866) certs in our corpus.
Assay metrics
Ostarine (mk-2866) lab-testing metrics
98%
Median tested purity
0
Zero-purity certs
Mean purity98%
Mean dose vs label+7.9%
Within 10% of label dose80%
Overdosed ≥ +7%20%
Underdosed ≤ −7%0%
COAs per testing lab
Every lab testing Ostarine (mk-2866) 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% | 2 |
| 99–100% | 0 |
COAs over time
Ostarine (mk-2866) certificates published per month.
| Month | Certificates |
|---|---|
| 2021-04 | 1 |
| 2021-05 | 1 |
| 2022-04 | 1 |
| 2022-09 | 1 |
| 2023-04 | 1 |
| 2024-07 | 1 |
| 2025-01 | 1 |
Most-tested vendors
Vendors by Ostarine (mk-2866) certificate count.
See who tests most — unlock the vendor names with Pro.
Verified Ostarine (mk-2866) certificates of analysis
| Vendor | Purity | Dose vs label | Lab | Tested | |
|---|---|---|---|---|---|
| F40 Biotech | — | +29.4% | Janoshik | 2025-01-07 | View COA → |
| BIAXOL LTD | — | +4.9% | Janoshik | 2024-07-10 | View COA → |
| Olympus Labs UK | — | +0.6% | Janoshik | 2023-04-16 | View COA → |
| BIAXOL LTD | — | +5.5% | Janoshik | 2022-09-13 | View COA → |
| (unknown) | 98.0% | — | Janoshik | 2022-04-29 | View COA → |
| (unknown) | 98.0% | — | Janoshik | 2021-05-21 | View COA → |
| DEUS MEDICAL | — | -0.8% | Janoshik | 2021-04-15 | View COA → |