Retatrutide 99.8% Purity — GYCCertificate of Analysis · Independent third-party lab result
This COA was tested by Janoshik, an independent third-party lab. The retatrutide batch (clear cap/silver crimp lot 1230) showed 99.774% purity. However, the tested quantity was 13.07% over the labeled 30mg, and there is no information on the test method or endotoxin status. The test is older (6-12 months).
- quantity deviation (13% over)
- no endotoxin test
- stale (6-12 months)
- Test date
- 2025-05-18
- Testing lab
- Janoshik
- Batch / lot
- clear cap/silver crimp lot 1230
- Quantity
- 33.92mg
- Endotoxins
- —
- Assay method
- —
How this result compares
This Retatrutide certificate's tested purity of 99.77% ranks higher than 38% of the 9821 Retatrutide certificates with a purity result we have catalogued (median 99.83%).
Tested 2025-05-18 by Janoshik. This test is newer than 5% of our catalogued Retatrutide certificates.
GYC has 282 certificates in our corpus, including 77 for Retatrutide at a median tested purity of 99.72%.
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.