Blibrunutansol.bz vs Yiwu Aozuo Trading Firm — Vendor Comparison

Independent side-by-side comparison of Blibrunutansol.bz and Yiwu Aozuo Trading Firm — third-party lab grades, tested purity, COA availability, FDA warnings, and community ratings.

Bottom line: Yiwu Aozuo Trading Firm shows higher average tested purity (99.9% vs 99.4%); Yiwu Aozuo Trading Firm has more published third-party tests (2 vs 1).

Every figure below is either measured by an independent laboratory or read from the vendor's own website, and the source is named against it. PeptideAtlas is not affiliated with either vendor.

Blibrunutansol.bz: 1 independent Janoshik assay, median measured purity 99.4%, most recent 2025-01-27. Yiwu Aozuo Trading Firm: 2 independent Janoshik assays, across 2 substances, median measured purity 99.9%, most recent 2025-01-24.

Attribute	Blibrunutansol.bz	Yiwu Aozuo Trading Firm
Third-party tests	1 test, avg purity 99.4%	2 tests, avg purity 99.9%
COA available	Yes	Yes
Endotoxin tested	No	No
FDA warnings	None on record	None on record

Measured purity, substance by substance

Substance	Blibrunutansol.bz	Yiwu Aozuo Trading Firm
MT B- Melanotan 2	99.35% (1 assay, latest 2025-01-27)	Not tested
Retatrutide 30mg	Not tested	99.81% (1 assay, latest 2025-01-24)
Tirzepatide 30mg	Not tested	99.91% (1 assay, latest 2025-01-24)

What each site publishes

Checked	Blibrunutansol.bz	Yiwu Aozuo Trading Firm
Certificates of analysis	None found on the site	Not stated
Products listed	16	Not stated

What we found on each site

Blibrunutansol.bz

No published COAs source
No research-use-only notice source
No public pricing source

Frequently asked questions

Which has more independent lab testing, Blibrunutansol.bz or Yiwu Aozuo Trading Firm?

Yiwu Aozuo Trading Firm. Blibrunutansol.bz: 1 independent Janoshik assay, median measured purity 99.4%, most recent 2025-01-27. Yiwu Aozuo Trading Firm: 2 independent Janoshik assays, across 2 substances, median measured purity 99.9%, most recent 2025-01-24. These are third-party Janoshik assays published against the vendor, not the vendor's own certificates.

Do Blibrunutansol.bz and Yiwu Aozuo Trading Firm publish certificates of analysis?

We found no certificates of analysis anywhere on Blibrunutansol.bz's site, and Yiwu Aozuo Trading Firm states that COAs are available. A published COA is the vendor's own document; the assay figures elsewhere on this page are independent of it.

Full profiles: Blibrunutansol.bz, Yiwu Aozuo Trading Firm.

Full lab-test records: All 1 Blibrunutansol.bz lab test, All 2 Yiwu Aozuo Trading Firm lab tests.