Reviewed by Peptide Treatments Medical Advisory Board (Medical Advisory Board)
GHK-Cu: Contraindications & Drug Interactions
Safety information for GHK-Cu including known contraindications, drug interactions, and important precautions.
Back to GHK-Cu overviewContraindications
- Active malignancy (promotes angiogenesis)
- Pregnancy and breastfeeding
- Wilson's disease or copper metabolism disorders
- Concurrent chelation therapy
Drug Interactions (5 interactions)
Important: This table summarizes known and theoretical interactions. Always consult a healthcare provider before combining GHK-Cu with any medication.
| Drug | Classification | Mechanism |
|---|---|---|
| Copper supplements | Theoretical | Additive copper load — monitor copper/ceruloplasmin levels |
| Chelation therapy (penicillamine, trientine) | Theoretical | May reduce GHK-Cu efficacy by binding copper |
| Retinoids | Theoretical | May enhance skin effects — monitor for irritation |
| Vitamin C (topical) | Theoretical | May enhance collagen synthesis through complementary pathways |
| Antioxidants | Theoretical | May have additive antioxidant effects |
Use our interactive Drug Interaction Checker for real-time lookup.