All Retatrutide Certificate of Analysis results(11,517 COAs)
TitrateLab · Certificate of Analysis
Tested vendor:ZC Labs LLC All Retatrutide COAs & research All Retatrutide results & stats

Retatrutide 99.7% Purity — ZC Labs LLCCertificate of Analysis · Independent third-party lab result

Tested purity 99.7% High purity · 99.72%
Dose vs label +25.7% Over the labeled dose
Evidence URL referenced
Test date
2026-08-04
Testing lab
Freedom Diagnostics
Batch / lot
GLRT-15-201
Quantity
18.85 mg
label 15mg · tested 18.85 mg
Endotoxins
—
Assay method
HPLC + MS
Label dose
15mg
Context

How this result compares

This Retatrutide certificate's tested purity of 99.72% ranks higher than 31% of the 11512 Retatrutide certificates with a purity result we have catalogued (median 99.84%).

Tested 2026-08-04 by Freedom Diagnostics via HPLC + MS. This is the most recent Retatrutide certificate on file.

Manufacturer
ZC Labs LLC
Source

Freedom Diagnostic

URL referenced

This entry references an upstream lab URL we crawled. We did not save the artifact, so we can't prove the report still loads as it did when we catalogued it.

Method
HPLC + MS
Test type
freedom_composite
Dose
15mg
Catalogued
2026-08-06
Related

Other Retatrutide certificates

VeriPure LLC Retatrutide
99.8% 2026-08-04
Freedom Diagnostics South Florida BioResearch Retatrutide
99.8% 2026-08-04
Freedom Diagnostics South Florida BioResearch Retatrutide
99.8% 2026-08-04
Freedom Diagnostics Rocky Mountain Compounds Retatrutide
99.6% 2026-08-02
Freedom Diagnostics Peptaris Retatrutide
99.8% 2026-08-02
Freedom Diagnostics Victor Soriano Retatrutide
99.9% 2026-08-01
Freedom Diagnostics TrueLab Peptides Retatrutide
99.9% 2026-08-01
Freedom Diagnostics Summit Retatrutide
99.8% 2026-08-01
Freedom Diagnostics
All Retatrutide results & stats
This certificate is part of TitrateLab's community-trust corpus. See more from ZC Labs LLC or learn how trust scores are computed on the methodology page. New to lab reports? How to read a COA →