Topical products fall somewhere in between, depending on the manufacturer and whether the product is classified as a cosmetic or a compounded preparation
Always consult your healthcare provider, especially if you're on medication or have specific health conditions
GHK-Cu Research Copper Tripeptide 99%+ Purity Research Use Only Mechanism of Action Studied for effects on gene expression (TGF-, integrin, and ubiquitin-proteasome signaling), procollagen synthesis, and antioxidant activity in cell-culture models
NAD+ Protocol Formats Switch tabs to see route-specific NAD+ dose ranges, scheduling notes, and evidence boundaries
The peptides effects on nitric oxide systems theoretically could interact with blood pressure medications, erectile dysfunction drugs, and other compounds affecting NO pathways