GHK Cu Copper Peptide Neck & Face Serum GHK CU Copper Peptide SARMs Supplements Squalane + Copper Peptide (GHK Cu) Rapid Plumping Serum Freeze NAD+ (500 mg) Two power players. Very different roles. Let's talk NAD+ vs. GHK Cu NAD+ works behind the scenessupporting cellular energy, metabolic function, brain clarity, and overall longevity. Think internal optimization, from the inside GHK Cu vs NAD and why they're not the same thing They both get labeled anti aging but they work in totally different ways GHK Cu = skin you can