HomeLab Tests crush research, GHK-Cu
Purity · passShop-provided sample

GHK-Cu × crush research — lab test, lot CRGHK-100-2604-1, April 2026

Sample label: Crush Research Supply
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Tested · submitted by Peptigrity Team Member 02PEPTIGRITY TEAM
Sample source: shop-provided. The shop chose and sent this vial. Samples bought at retail by a member carry more weight.How we weigh evidence →
HPLC Purity
99.91%
Excellent purity only
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Independent verification available

ILS Laboratories publishes a public verification portal. Any test attributed to this lab can be looked up and confirmed directly with the lab — so this result doesn't rest on our review alone.

This certificate carries no lookup code.

Test results

8 data points
Purity
99.91%
Endotoxins
NMT 0.05 EU/mL
Heavy metals
Not tested
Stated qty
100 mg
Tested qty
104.91 mg
Qty match
105% of labeled · +5%
Batch / Lot
CRGHK-100-2604-1
Container
Gray cap vial with white label (Crush Research Supply branded)
Tested by
ILS LaboratoriesView profile →

This is a purity and identity analysis. Sterility, endotoxins, and heavy metals were not screened — a high purity figure says nothing about those.

About this test

What’s in the vial

Label 100 mg · Lab measured 104.91 mg

105% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 26.2 mg using the measured mass, against 25 mg on the label — 5% more.

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 ILS Laboratories on April 22, 2026. Reported purity: 99.91%. Net content: 104.91 mg against 100 mg labeled (105% of label). Endotoxins: NMT 0.05 EU/mL. Batch CRGHK-100-2604-1. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
Issued by ILS Laboratories · Apr 22, 2026 · Batch CRGHK-100-2604-1

Other lots of GHK-Cu from crush research

LotTestedLabPurityvs labelStatus
CRKLO-80-2604-122 Apr 2026ILS Laboratories99.47%104%Unverified
CR-GCU100-2603-12 Apr 2026BTLabs99.7%113%Lab has no portal
CR-GHK100-0212-116 Feb 2026freedomdiagnosticstesting.com99.86%107%Unverified
CR-GHKC99-2511-115 Dec 2025freedomdiagnosticstesting.com99.79%100%Unverified
CRKL-80-1025-016 Nov 2025freedomdiagnosticstesting.com99.77%122%Unverified

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 811 other GHK-Cu tests on Peptigrity range from 95.76% to 100.00%. This one sits at 99.91%.

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