ghk cu vs nad+ peptide GHK CU Snap 8 Serum: Best for All Skin Types GHK-Cu vs NAD+: Which Longevity

High purity peptide for laboratory research use

[4] The interest in GHK-Cu subcutaneous and systemic delivery grows directly out of that origin story: because GHK is an endogenous plasma peptide that the body already produces and distributes through the circulation, researchers have long asked what happens when additional GHK-Cu is introduced into the systemic compartment rather than confined to a single local site

If you're combining the two, the protocols that seem to work involve diluting the copper peptide product, using it no more than once weekly after needling, and starting with conservative needle depths (0.5mm, not 1.5mm)

10.1038/srep25741 Sci