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

Retatrutide 99.8% Purity — BEST BIO LLCCertificate of Analysis · Independent third-party lab result

Tested purity 99.8% High purity · 99.79%
Dose vs label +4.8% Essentially at label
Evidence Source archived
Test date
2026-05-14
Testing lab
Freedom Diagnostics
Batch / lot
02-RT10-01-0426
Quantity
10.48 mg
label 10mg · tested 10.48 mg
Endotoxins
Assay method
HPLC + MS
Label dose
10mg
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 2026-05-14 by Freedom Diagnostics via HPLC + MS. This test is newer than 76% of our catalogued Retatrutide certificates.

BEST BIO LLC has 5 certificates in our corpus, including 2 for Retatrutide at a median tested purity of 99.77%.

Manufacturer
BEST BIO LLC
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
10mg
Catalogued
2026-07-04
Saved source

Saved source document

sha256:2f3f02a40d5ae438… — immutable copy held by TitrateLab

Download the saved PDF (sha256 2f3f02a40d5a…)
Related

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