All peptides · Ibutamoren (MK-677) · COAs
Ibutamoren (MK-677) COA & lab test results
2 certificates of analysis published by 2 vendors, newest first.
1with readable numbers
99.12%median purity
103%median measured vs label
2testing labs
Labs: Freedom Diagnostics, Vanguard Laboratory.
| Vendor | Lab | Date | Label | Measured | Purity | |
|---|---|---|---|---|---|---|
| Simple Peptide | Freedom Diagnostics | 2026-05-20 | 12.5 mg | 12.9 mg (103%) | 99.12% | View |
| NextechLabs | Vanguard Laboratory | – | – | – | – | View (image) |
A vendor's COA shows one tested sample, not every batch. Numbers are filled in only where the document is readable text; image-only COAs are linked without numbers. Vendors banned for fake reports are excluded. Compare Ibutamoren (MK-677) prices and lab-verified vendors.