PepAssess

Onyx Research GHK-Cu

Evidence Score 55/100 · 2 of 2 GHK-Cu lab reports confirmed by the issuing lab

As of October 2, 2026, Onyx Research lists GHK-Cu in 50, 100 mg from $45. It publishes 2 GHK-Cu lab reports; 2 are confirmed in the issuing lab's own records, the newest dated June 26, 2026. Its confirmed reports cover both purity and toxicity (endotoxin or sterility) testing.

GHK-Cu lab reports confirmed by the issuing lab

  • June 26, 2026Freedom Diagnosticslot ONYXRESGHK10005purity, identity, endotoxinview report ↗
  • June 26, 2026Freedom Diagnosticslot ONYXRESGHK3009purity, identity, endotoxinview report ↗

GHK-Cu price at Onyx Research

From
$45
Best per mg
—
Typical per mg
$0.62/mg
Sizes
50, 100 mg

From Onyx Research's own store, as of October 2, 2026; shipping and discounts not included.

Other GHK-Cu sellers with lab-confirmed reports

Onyx Research GHK-Cu questions

Is Onyx Research's GHK-Cu lab tested?

Yes. As of October 2, 2026, Onyx Research publishes 2 GHK-Cu lab reports, and PepAssess matched 2 to the issuing lab's own records (Freedom Diagnostics). The newest confirmed report is dated June 26, 2026.

How much is GHK-Cu at Onyx Research?

From $45 (50, 100 mg), as of October 2, 2026. Prices come from Onyx Research's own store and exclude shipping and discounts.

Is there a Onyx Research coupon code for GHK-Cu?

PepAssess has no confirmed Onyx Research code as of October 2, 2026. GHK-Cu sellers with lab-confirmed reports and a code: Hydro Research Peptides, PepAssess20 (20% off) and BioLongevity Labs, PEPASSESS (15% off).

Who else sells lab-tested GHK-Cu?

As of October 2, 2026, the highest-scoring GHK-Cu sellers with a lab-confirmed report, besides Onyx Research: Nextgen Peps (91/100, 2 confirmed), Hydro Research Peptides (90/100, 7 confirmed) and Solyn (90/100, 4 confirmed).