Retatrutide 99.4% Purity — GYCCertificate of Analysis · Independent third-party lab result
This COA was tested by Janoshik, an independent third-party lab. The retatrutide batch (20250815 black cap silver crimp) showed 99.378% purity. The tested quantity was 17.09mg, a 13.93% deviation from the 15mg label. Endotoxin status and test method are unknown. The test is older (6-12 months).
- no endotoxin test
- stale (6-12 months)
- quantity deviation (13.93%)
- Test date
- 2025-10-11
- Testing lab
- Janoshik
- Batch / lot
- 20250815 black cap silver crimp
- Quantity
- 17.09mg
- Endotoxins
- —
- Assay method
- —
How this result compares
This Retatrutide certificate's tested purity of 99.38% ranks higher than 10% of the 10463 Retatrutide certificates with a purity result we have catalogued (median 99.83%).
Tested 2025-10-11 by Janoshik. This test is newer than 19% of our catalogued Retatrutide certificates.
GYC has 284 certificates in our corpus, including 78 for Retatrutide at a median tested purity of 99.73%.
Third-party community lab
URL referencedThis entry references an upstream lab URL we crawled. We did not save the artifact, so we can't prove the report still loads as it did when we catalogued it.