TitrateLab · Certificate of Analysis

Retatrutide 99.9% Purity — Premier Bio LabsCertificate of Analysis · Independent third-party lab result

Tested purity 99.9% High purity · 99.92%
Dose vs label +4.1% Essentially at label
Evidence Source archived Blend
Test date
2025-12-16
Testing lab
Freedom Diagnostics
Batch / lot
PBRT-20-1213
Quantity
20.82 mg
label 20mg · tested 20.82 mg
Endotoxins
Assay method
HPLC + MS
Label dose
20mg
Context

How this result compares

This Retatrutide certificate's tested purity of 99.92% ranks higher than 80% of the 9698 Retatrutide certificates with a purity result we have catalogued (median 99.83%).

Tested 2025-12-16 by Freedom Diagnostics via HPLC + MS. This test is newer than 34% of our catalogued Retatrutide certificates.

Premier Bio Labs has 47 certificates in our corpus, including 6 for Retatrutide at a median tested purity of 99.86%.

Manufacturer
Premier Bio Labs
View vendor profile
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.

Method
HPLC + MS
Test type
freedom_composite
Dose
20mg
Catalogued
2026-07-04
Saved source

Saved source document

sha256:597500eb89d88645… — immutable copy held by TitrateLab

Download the saved PDF (sha256 597500eb89d8…)
Related

Other Retatrutide certificates

This certificate is part of TitrateLab's community-trust corpus. See more from Premier Bio Labs or learn how trust scores are computed on the methodology page. New to lab reports? How to read a COA →