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Ordered GHK-Cu from Nexaph? Mail in a sample (US only) and let us test it for free.

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+7 more ↓
90%
Finnrick rating
#20 of 148 GHK-Cu vendors
11 of 12 classifiable tests passed
customers 4.4★ (11)
methodology · Purity focus
Finnrick analysis · GHK-Cu

The rating is held down by the first vial's +75% overfill, not by a recurring purity problem. Later results show 99.8–99.95% purity and tighter fills, but intermittent missing batch IDs keep documentation weaker.

methodology →
vendor intelligence report
Vendor Intelligence Report: Nexaph

Corporate records, RDAP data and site emails trace Nexaph through a fragmented operator identity rather than a clean public counterparty. The report maps sister-brand infrastructure, COA-cloning pathways and a certification/payment layer that changes buyer recourse.

31 pages8 risk factors assessed3 Jul 2026
read the report
Peptides
#
Peptide
$/MG
Rating
N
1
GHK-Cuselected
$0.25
90%
12
2
Tirzepatide
$1.13
76%
62
3
Retatrutide
$2.46
74%
103
4
PT-141
-
72%
3
5
BPC-157
$1.52
63%
20
6
Ipamorelin
$1.30
60%
10
7
Cagrilintide
$3.50
50%
13
8
TB-500
$1.61
39%
6
9
Tesamorelin
$2.88
37%
30
10
Sermorelin
-
36%
3
11
CJC-IPA
$3.96
36%
1
12
Semaglutide
$1.90
33%
15
13
CJC-1295
$2.78
30%
8
14
MOTS-c
$1.88
29%
6
15
NAD+
$0.04
26%
3
Contact channels
Rating trend
CUMULATIVE FINNRICK RATING
83%+65%+48%+30%+<30%4 Aug 2025: 81%6 Nov 2025: 84%18 Nov 2025: 83%15 Jan 2026: 86%2 Feb 2026: 87%28 Apr 2026: 88%5 May 2026: 89%8 May 2026: 89%13 May 2026: 90%16 Jun 2026: 90%26 Jun 2026: 91%9 Oct 2026: 90%19 Oct 2026: current 90%81%86%90%Aug 25Oct 26
Showing GHK-Cu tests only
Free peptide testing

Ordered GHK-Cu from Nexaph? Mail in a sample (US only) and let us test it for free.

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Nexaph GHK-Cu test history
COA-backed lab tests
1-10 of 12

About Nexaph test results from Finnrick

Nexaph is a peptide vendor tracked in Finnrick's independent testing dataset. This page compiles batch-level results across 15 peptides and 295 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 Nexaph peptides in this dataset are Semaglutide (15 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.
Free peptide testing

Ordered GHK-Cu from Nexaph? Mail in a sample (US only) and let us test it for free.

Test my supply