✓ Purity · passShop-provided sample

GHK-Cu × Crush Research — lab test, December 2025

Name: GHK-Cu Purity Analysis - Crush Research
Creator: Freedom Diagnostics
Published: 2025-12-15
License: https://creativecommons.org/licenses/by/4.0/

Sample label: Crush Research Supply

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Tested Monday, December 15, 2025 · submitted by Peptigrity Team Member 02PEPTIGRITY TEAM

Sample source: shop-provided. The shop chose and sent this vial. The Trust Score counts it like any other published test; who sourced the vial is shown so you can weigh it yourself.How we weigh evidence →

HPLC Purity

99.79%

✓ Excellent purity only

Counts toward Crush Research's Trust Score until 15 Dec 2027

PeptideGHK-Cu

BrandCrush Research

LabFreedom Diagnostics

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Test results

8 data points

Purity

99.79%

Endotoxins

≤ 0.05 EU/mL

Sterility

Not on file

Heavy metals

Not tested

Stated qty

100 mg

Tested qty

99.65 mg

Qty match

100% of labeled · +0%

Batch / Lot

CR-GHKC99-2511-1

Container

Two vials with dark purple caps, blue lyophilized powder (Crush Research Supply branded)

Tested by

Freedom DiagnosticsView profile →

Not on file for this certificate: sterility and heavy metals. A purity figure says nothing about those.

About this test

What’s in the vial

Label 100 mg · Lab measured 99.65 mg

100% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 25 mg on both the label figure and the measured one.

One vial from this lot was weighed by the laboratory, not yours. This page reports what the certificate says; it does not recommend a dose.

Independent HPLC purity analysis of GHK-Cu from Crush Research, performed by Freedom Diagnostics on December 15, 2025. Reported purity: 99.79%. Net content: 99.65 mg against 100 mg labeled (100% of label). Endotoxins: ≤ 0.05 EU/mL. Batch CR-GHKC99-2511-1. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document

Issued by Freedom Diagnostics · Dec 15, 2025 · Batch CR-GHKC99-2511-1

Other lots of GHK-Cu from Crush Research

Lot	Tested	Lab	Purity	vs label	Status
CR-GHK100MG-0828	24 Aug 2026	ILS Laboratories	99.59%	102%	Unverified
CR-GHK50MG-0828	24 Aug 2026	ILS Laboratories	99.81%	107%	Unverified
CR-GHK-100MG-2607-Purple	31 Jul 2026	ILS Laboratories	99.29%	105%	Unverified
CR-GHK-50MG-2606-1	26 Jun 2026	ILS Laboratories	99.75%	105%	Unverified
CR-GHKCU-100-2606-1	9 Jun 2026	ILS Laboratories	99.57%	106%	Unverified
CRGHK-100-2604-1	22 Apr 2026	ILS Laboratories	99.91%	105%	Unverified
CRKLO-80-2604-1	22 Apr 2026	ILS Laboratories	99.47%	104%	Unverified
CR-GCU100-2603-1	2 Apr 2026	BTLabs	99.7%	113%	Lab has no portal

Batches this shop has published a certificate for, newest first. A lot whose printed value cannot identify a batch is not listed.

Related lab tests

8 tests

The 886 other GHK-Cu tests on Peptigrity range from 95.76% to 100.00%. This one sits at 99.79%.

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