Peptide Therapy for Pain Management and Healing Core Medical & Wellness A New PEPTIDE MENU UPDATE! We have added new peptides to help you feel your best inside and out ! Not sure which peptides are right for you ? (951) 972 8911 12 weeks in, and my skin has NEVER looked better! GHK peptides are doing their thing. Alright, I need to give you an updateit's been 12 weeks since I started using GHK 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: