Third-party lab testing: 1 independent Janoshik assay on file, median measured purity 99.3%, most recent test 2025-10-06.
Peptide supplier identified through Janoshik analytical testing records.
RetatrutidePen.co is listed as active. Discovered via Janoshik third-party lab testing.
| Substance | Measured purity | Test date |
|---|---|---|
| Retatrutide 10mg | 99.28% | 2025-10-06 |
| Status | Active |
|---|---|
| Independent assays on file | 1 |
| Median measured purity | 99.3% |
| Certificates of analysis | Vendor states COAs are available |
| Vendor type | Research-use supplier |
These details were read from RetatrutidePen.co's own website on 2026-08-10. Pages consulted:
RetatrutidePen.co is listed as active and we hold 1 independent Janoshik assay on file, median measured purity 99.3%. That is evidence about the batches that were tested or published, not a guarantee about the vial you receive.
Yes. We hold 1 third-party Janoshik assay for RetatrutidePen.co, with a median measured purity of 99.3%. The most recent is dated 2025-10-06.
Tested substances: Retatrutide 10mg.
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