Retatrutide 99.9% Purity — GYCCertificate of Analysis · Independent third-party lab result
This COA was tested by an independent third-party lab, LabG. The retatrutide batch (2025101220) showed 99.9% purity via HPLC. The tested quantity was 21.7mg against a 20mg label, an 8.5% deviation. Endotoxin status is not applicable for this test. The test is older (6-12 months).
- no endotoxin test
- older (6-12 months)
- Test date
- 2025-10-12
- Testing lab
- LabG
- Batch / lot
- [PHONE_REDACTED]
- Quantity
- 21.7mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 8.9
- Label dose
- 20mg
How this result compares
This Retatrutide certificate's tested purity of 99.90% ranks higher than 70% of the 9823 Retatrutide certificates with a purity result we have catalogued (median 99.83%).
Tested 2025-10-12 by LabG via HPLC + mass quantification + endotoxins. This test is newer than 20% of our catalogued Retatrutide certificates.
GYC has 282 certificates in our corpus, including 77 for Retatrutide at a median tested purity of 99.72%.
Test report image
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