Boosts immunity and improves overall skin health
No single format is inherently betterit depends on your routine, goals, and hair concerns
What science exists for GHK-Cu is all rather positive (a 2018 analysis of the science concluded the peptides actions appear to be health positive, saying it boosts collagen, improves tissue repair and has powerful cell-protective actions, including multiple anti-cancer and anti-inflammatory actions)
Regular monitoring of B12 levels is typically recommended for those receiving ongoing treatment
Youre doing your besteating well, staying active, trying to keep up with your busy life
Formal studies on the combination are still limited, but the non-overlapping mechanisms and clean individual safety profiles make a compelling case