HomeLab Tests Crush Research Supply, GHK-Cu
Purity · passShop-provided sample

GHK-Cu × Crush Research Supply — Lab Test, December 2025

LotCR-GHKC99-2511-1look this batch up across every shop →
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
99.79%
Excellent purity only
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Independent verification available

freedomdiagnosticstesting.com 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
99.79%
Endotoxins
≤ 0.05 EU/mL
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

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 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 crushresearch.shop, performed by freedomdiagnosticstesting.com 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 freedomdiagnosticstesting.com · Dec 15, 2025 · Batch CR-GHKC99-2511-1

Other lots of GHK-Cu from crushresearch.shop

LotTestedLabPurityvs labelStatus
CRGHK-100-2604-122 Apr 2026ILS Laboratories99.91%105%Unverified
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
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 812 other GHK-Cu tests on Peptigrity range from 95.76% to 100.00%. This one sits at 99.79%.

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