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Peptide testing

Ordered Cagrilintide from ZLZ Peptide? Mail in a sample (US only) and let us test it.

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+5 more ↓
61%
Finnrick rating
#5 of 47 Cagrilintide vendors
3 of 3 classifiable tests passed
natural 100% · customers 4.1★ (1)
methodology · Purity focus
Finnrick analysis · Cagrilintide

ZLZ Peptide's purity-focus record is broad and strongest in Retatrutide, Tirzepatide, and GHK-Cu, where many recent passes are offset by identity, purity, or fill volatility. Tesamorelin, BPC-157, TB-500, and NAD+ show the weaker side; recent improvement is uneven, and missing or inconsistent batch IDs limit traceability despite heavy volume.

methodology →
vendor intelligence report
Vendor Intelligence Report: ZLZ Peptide

The report traces ZLZ's Hunan Aslsen self-attribution, mirror storefronts, typo-squat domains and a cloaked SEO-to-WhatsApp funnel. It also reviews factory-page artifacts, COA verification friction, rep aliases and irreversible payment rails.

43 pages7 risk factors assessed12 Nov 2026
read the report
Peptides
#
Peptide
$/MG
Rating
N
1
Retatrutide
$0.81
89%
118
2
Tirzepatide
$0.43
85%
97
3
GHK-Cu
$0.07
85%
19
5
PT-141
$0.62
72%
3
6
Semaglutide
$0.49
69%
13
7
Melanotan II
$0.54
66%
2
8
Cagrilintideselected
-
61%
3
9
Sermorelin
$1.52
56%
5
10
BPC-157
$0.68
49%
13
11
Tesamorelin
$2.00
44%
18
12
CJC-1295
-
43%
5
13
TB-500
$1.76
38%
6
14
NAD+
$0.02
17%
5
Contact channels
Rating trend
CUMULATIVE FINNRICK RATING
83%+65%+48%+30%+<30%13 Sep 2025: 60%14 Oct 2025: 58%1 Mar 2026: 59%12 Nov 2026: current 61%60%59%61%Sep 25Nov 26
Showing Cagrilintide tests only
ZLZ Peptide Cagrilintide test history
COA-backed lab tests

About ZLZ Peptide test results from Finnrick

ZLZ Peptide is a peptide vendor tracked in Finnrick's independent testing dataset. This page compiles batch-level results across 14 peptides and 313 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 ZLZ Peptide peptides in this dataset are Retatrutide (118 tests) and CJC-1295 (5 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 200 recent tests.

Corrections
No corrections.
Peptide testing

Ordered Cagrilintide from ZLZ Peptide? Mail in a sample (US only) and let us test it.

Test my supply