GHK Cu vs NAD+: Which Longevity Peptide Should You Take or Stack? GHK Cu Peptides: Unlocking the Copper Peptide Revolution in Skin Care Supplements by RHO Vitamin Shoppe Proteina Complexa (PDF) Regenerative and Protective Actions of the GHK Cu Peptide in the Light of the New Gene Data JENNINGS LOCATION: We recently added Rho Nutrition to our daily routine. Every morning, we make a water infused cocktail with Rho Curcumin + Resveratrol, NAD+, and Creatine. We absolutely feel the difference!