is ghk-cu endogenous human peptide may Prevent Oxidative Stress in Skin by Regulating Copper and Modifying Expression of Numerous Antioxidant Genes GHK-Cu | Engage Peptides
Description
The four below sit closest to it in research community use

Theres a perception now in gym culture that injecting peptides, albeit ones made in a lab, is a safer way to go about getting gains than taking human growth hormone (hGH) and/or anabolic steroids
There are no risks to taking too much B12your body will just excrete it

Long-term DSIP safety has not been established through clinical trials
