All Retatrutide Certificate of Analysis results— 9703 COAs
TitrateLab · Certificate of Analysis

Retatrutide 100.0% Purity — Silverstone Labs Co.Certificate of Analysis · Independent third-party lab result

Tested purity 100.0% High purity · 99.955%
Dose vs label +3.0% Essentially at label
Evidence Source archived
Test date
2025-12-20
Testing lab
Freedom Diagnostics
Batch / lot
RT20-1225
Quantity
20.59 mg
label 20mg · tested 20.59 mg
Endotoxins
Assay method
HPLC + MS
Label dose
20mg
Context

How this result compares

This Retatrutide certificate's tested purity of 99.95% ranks higher than 93% of the 9698 Retatrutide certificates with a purity result we have catalogued (median 99.83%).

Tested 2025-12-20 by Freedom Diagnostics via HPLC + MS. This test is newer than 35% of our catalogued Retatrutide certificates.

Silverstone Labs Co. has 34 certificates in our corpus, including 6 for Retatrutide at a median tested purity of 99.94%.

Manufacturer
Silverstone Labs Co.
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:cc1fe669f5410c53… — immutable copy held by TitrateLab

Download the saved PDF (sha256 cc1fe669f541…)
Related

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