Compatibility: Excellent Retinol and Niacinamide together is one of the most recommended pairings by dermatologists, especially for beginners
The peptide demonstrates remarkable stability compared to other compounds in its class
The Bottom Line GHK-Cu sits in a strange spot in the peptide research world genuinely old research (Pickart's earliest work goes back to the 1970s), genuinely broad mechanistic reach (thousands of modulated genes), but still a compound where the human clinical trial base lags behind the mechanistic and cell-culture data
doi:10.1515/BC.2009.033 Agarwal, Prashant
For example, in a randomized double-blinded trial, NAC (600mg twice per day) given with L-arginine (1200mg per day) to diabetic men with hypertension lowered blood pressure, and improved many markers of endothelial function and inflammation, including C-reactive protein, fibrinogen, and LDL-cholesterol