Vendor warning — Shanghai Erp Peptide BiotechnologyKnown associations with scammers and silencing of whistleblowers. Do not deal with this vendor. Treat as untrustworthy and independently verify any COAs and claims. See the full Shanghai Erp Peptide Biotechnology vendor profile →
Tested vendor:Shanghai Erp Peptide Biotechnology
All Retatrutide COAs & research
All Retatrutide results & stats
Retatrutide 99.8% Purity — Shanghai Erp Peptide BiotechnologyCertificate of Analysis · Independent third-party lab result
Tested purity
99.8%
High purity · 99.838%
Dose vs label
+19.4%
Over the labeled dose
Evidence
Asserted only
- Test date
- 2025-10-01
- Testing lab
- Janoshik
- Batch / lot
- 635966
- Quantity
- 23.87 mg
- Endotoxins
- —
- Assay method
- —
- Label dose
- 20mg
label 20mg · tested 23.87 mg
Context
How this result compares
This Retatrutide certificate's tested purity of 99.84% ranks higher than 51% of the 10399 Retatrutide certificates with a purity result we have catalogued (median 99.83%).
Tested 2025-10-01 by Janoshik. This test is newer than 17% of our catalogued Retatrutide certificates.
Shanghai Erp Peptide Biotechnology has 121 certificates in our corpus, including 50 for Retatrutide at a median tested purity of 99.90%.
Manufacturer
Shanghai Erp Peptide Biotechnology
Source
Community submission
Asserted onlySubmitted by distilled-oryx-12 +626
No verifiable evidence captured.
This entry was added to our corpus from Community submission.
We did not save the certificate image, did not hash an artifact,
and the upstream URL is either
a domain root or absent — we cannot independently confirm this report existed. Treat
as curator-asserted only.
OCR text Raw extracted text
Extracted via OCR. Names, emails, phone numbers, and street addresses are auto-redacted before display.
TEST REPORT JANOSHIK E-mail: [EMAIL_REDACTED] Web: www.janoshik.com Task Number #81056 Testing ordered > 11 SEP '25 Sample received > 29 SEP '25 Client ERP Sample ERP RT20 [NAME_REDACTED] 635966 Sample description > See picture or pictures attached. Tests requested > Assessment of a peptide vial or vials. Results > Retatrutide 23.87 mg Purity 99.838% Comments > Analysis conducted > 01 OCT 2025 Signature > Verify this test at www.janoshik.com/verify/ with the following unique key [NAME_REDACTED]
Related
Other Retatrutide certificates
All Retatrutide results & stats
This certificate is part of TitrateLab's community-trust corpus.
See more from Shanghai Erp Peptide Biotechnology
or learn how trust scores are computed on the
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