Do not substitute a GHK-Cu specification
The AHK-Cu and GHK-Cu labels identify different references in this catalog. A copper-peptide category does not establish identical composition or evidence.
Documentation to request
Require peptide identity and copper content for AHK-Cu specifically. Record whether the intended preparation is cosmetic or another use before evaluating documentation.
Regulatory context: FDA: compounding, approval and quality standards. Source reviewed . This source does not verify the identity, testing or availability of our catalog references.
Related guidance: Longevity clinic documentation questions. These references support a review, not a treatment recommendation or supply authorization.