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 →

All Retatrutide Certificate of Analysis results(10,404 COAs)

TitrateLab · Certificate of Analysis

Tested vendor:Shanghai Erp Peptide Biotechnology All Retatrutide COAs & research All Retatrutide results & stats

Retatrutide 99.7% Purity — Shanghai Erp Peptide BiotechnologyCertificate of Analysis · Independent third-party lab result

Name: Retatrutide COA — Shanghai Erp Peptide Biotechnology (99.7% purity)
Creator: LabG
License: https://titratelab.com/terms

Tested purity 99.7% High purity · 99.7%

Dose vs label +16.7% Over the labeled dose

Evidence Artifact captured

Test date: 2026-05-15
Testing lab: LabG
Batch / lot: (no batch ID)
Quantity: 35mg
Endotoxins: —
Assay method: HPLC + mass quantification + endotoxins
Test score: 4.9
Label dose: 30mg

Context

How this result compares

This Retatrutide certificate's tested purity of 99.70% ranks higher than 29% of the 10399 Retatrutide certificates with a purity result we have catalogued (median 99.83%).

Tested 2026-05-15 by LabG via HPLC + mass quantification + endotoxins. This test is newer than 73% 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

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Certificate

Test report image

Certificate scan as published.

Source

Finnrick

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Method: HPLC + mass quantification + endotoxins
Test type: finnrick_composite
Dose: 30mg
Container: No Label / Silver Crimp / Clear Cap
Catalogued: 2026-05-23
Artifact hash: eb9983c64fb07075…

Saved source

Saved source document

sha256:6f4d39433a8c2ad9… — immutable copy held by TitrateLab

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Other Retatrutide certificates

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 methodology page. New to lab reports? How to read a COA →