NAD+ in Aesthetics House of Beauty Top Rated Peptides for Plastic Surgery Recovery: A Clinical Guide to GLOW, KLOW, and NAD Plus Frank Agullo, MD NAD+ and GHK Cu aren't interchangeable! They're complementary One restores what's happening beneath the surface: cellular energy, mental clarity, vitality that lasts beyond a caffeine rush. The other rebuilds what you see: I've been getting a ton of messages about my new peptide journey, so I wanted to put all the info in one place. Right now, I'm experimenting with NAD+ and KLOW.