Retatrutide 99.8% Purity — Northwest PeptidesCertificate of Analysis · Independent third-party lab result

Name: Retatrutide COA — Northwest Peptides (99.8% purity)
Creator: Freedom Diagnostics
License: https://titratelab.com/terms

Tested purity 99.8% High purity · 99.791%

Dose vs label 32.38 mg · tested 32.38 mg

Evidence Source archived

Test date: 2025-11-22
Testing lab: Freedom Diagnostics
Batch / lot: —
Quantity: 32.38 mg
Endotoxins: —
Assay method: HPLC + MS

Context

How this result compares

This Retatrutide certificate's tested purity of 99.79% ranks higher than 40% of the 9698 Retatrutide certificates with a purity result we have catalogued (median 99.83%).

Tested 2025-11-22 by Freedom Diagnostics via HPLC + MS. This test is newer than 28% of our catalogued Retatrutide certificates.

Northwest Peptides has 69 certificates in our corpus, including 6 for Retatrutide at a median tested purity of 99.75%.

Manufacturer

Northwest Peptides

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Source

Freedom Diagnostic

Source archived

We archived this certificate's source document — an immutable, SHA-256-fingerprinted copy held by TitrateLab (see Saved source document below). It stays verifiable even if the upstream page disappears.

Retatrutide 99.8% Purity — Northwest PeptidesCertificate of Analysis · Independent third-party lab result

How this result compares

Freedom Diagnostic

Saved source document

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