For Research Use Only — Not for Human Consumption

Certificates of Analysis

Third-party tested.
Batch by batch.

Every Nexogen Research batch is sent to an independent analytical laboratory for identity, content and purity testing. The full reports are published below, each with a unique verification key so researchers can confirm results directly with the laboratory.

Third-party Certificate of Analysis for Nexogen Research Retatrutide batch 305

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Batch 305

Retatrutide

Tested by Janoshik Analytical

Identity
Retatrutide (GLP-1 blind test)
Content
29.95 mg
Purity
99.779%
  • Task number: #227324
  • Sample received: 31 Aug 2026
  • Analysis conducted: 02 Sep 2026

Independent verification

Verify this report directly with the laboratory using key HYEHR4YWCDUG

janoshik.com/verify
Third-party Certificate of Analysis for Nexogen Research GHK-Cu batch 101

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Batch 101

GHK-Cu

Tested by Janoshik Analytical

GHK-Cu content
85.88 mg
GHK / Copper
71.46 mg / 14.42 mg
Purity
99.478%
  • Sample received: 26 Jun 2026
  • Analysis conducted: 08 Jul 2026

Research Use Only

Reports are provided for laboratory reference. Products are not for human consumption. See our quality standards for more on our testing approach.

Formulations