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Ordered Retatrutide from Zhengzhou Lan Yun Cosmetic Trading? Mail in a sample (US only) and let us test it for free.

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71%
Finnrick rating
#330 of 378 Retatrutide vendors
10 of 15 classifiable tests passed
natural 67% · customers 4.5★ (21)
methodology · Purity focus
Finnrick analysis · Retatrutide

Two early purity misses, including 95.87%, keep this Retatrutide profile below the cleaner group despite identity passes and modest fill deviations. Recent tests recovered to 99.5–99.9%, with better batch documentation.

methodology →
vendor intelligence report
Vendor Intelligence Report: Zhengzhou Lan Yun Cosmetic Trading

Corporate filings and web-history records split Lanyun’s age story: an older mainland entity sits behind a recent English storefront. The report also maps a parallel Zhengzhou peptide site, mismatched regional contacts, and a shipping-complaint trail.

17 pages4 risk factors assessed2 Jul 2026
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Peptides
#
Peptide
$/MG
Rating
N
1
GHK-Cu
$0.07
86%
7
2
Tirzepatide
$0.36
75%
12
3
Ipamorelin
$0.86
72%
2
4
Retatrutideselected
$0.78
71%
15
5
Tesamorelin
$3.00
52%
2
6
BPC-157
$0.50
43%
3
Contact channels
Rating trend
CUMULATIVE FINNRICK RATING
83%+65%+48%+30%+<30%7 Jan 2026: 77%7 Jan 2026: 78%15 Jan 2026: 79%19 Jan 2026: 76%26 Jan 2026: 78%26 Feb 2026: 74%3 Mar 2026: 75%27 May 2026: 78%8 Jun 2026: 79%1 Jul 2026: 75%13 Jul 2026: 76%6 Aug 2026: 77%12 Aug 2026: 78%7 Sep 2026: 74%16 Sep 2026: 71%29 Sep 2026: current 71%77%78%71%Jan 26Sep 26
Showing Retatrutide tests only
Free peptide testing

Ordered Retatrutide from Zhengzhou Lan Yun Cosmetic Trading? Mail in a sample (US only) and let us test it for free.

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Zhengzhou Lan Yun Cosmetic Trading Retatrutide test history
COA-backed lab tests
1-10 of 15

About Zhengzhou Lan Yun Cosmetic Trading test results from Finnrick

Zhengzhou Lan Yun Cosmetic Trading is a peptide vendor tracked in Finnrick's independent testing dataset. This page compiles batch-level results across 6 peptides and 41 tests, including ratings, observed price signals, recent test dates, and correction history where available.

Finnrick ratings are calculated from published sample data using the selected rating standard. The default standard evaluates purity, dose accuracy, and label quality, then adjusts low-volume results so small sample counts do not appear more certain than the data supports.

The most visible Zhengzhou Lan Yun Cosmetic Trading peptides in this dataset are CJC-1295 (0 tests). Use the peptide table above to compare the current Finnrick rating, price per mg, and sample volume for each peptide.

Recent tests and corrections are shown below when available. Samples may be acquired by Finnrick directly or submitted through Finnrick testing programs; the goal is to make safety and supply-chain evidence easier to evaluate than vendor marketing claims alone. This page currently lists 41 recent tests.

Corrections
No corrections.
Free peptide testing

Ordered Retatrutide from Zhengzhou Lan Yun Cosmetic Trading? Mail in a sample (US only) and let us test it for free.

Test my supply