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

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

LotCRKL-80-1025-01look 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
99.77%
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
99.77%
Endotoxins
≤ 0.05 EU/mL
Heavy metals
Not tested
Stated qty
80 mg
Tested qty
97.59 mg
Qty match
122% of labeled · +22%
Batch / Lot
CRKL-80-1025-01
Container
Two vials with dark blue 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 80 mg · Lab measured 97.59 mg

122% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 24.4 mg using the measured mass, against 20 mg on the label — 22% 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/KPV/BPC-157/Thymosin Beta-4 from crushresearch.shop, performed by freedomdiagnosticstesting.com on November 6, 2025. Reported purity: 99.77%. Net content: 97.59 mg against 80 mg labeled (122% of label). Tested content exceeds the labeled amount by 22%. Endotoxins: ≤ 0.05 EU/mL. Batch CRKL-80-1025-01. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
Issued by freedomdiagnosticstesting.com · Nov 06, 2025 · Batch CRKL-80-1025-01

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
CR-GHKC99-2511-115 Dec 2025freedomdiagnosticstesting.com99.79%100%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 99.77%.

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