ghk-cu stretch marks study Ghk Cu Peptide Cu Copper Peptide Body Lotion 5 Can GHK-Cu Copper Peptide Tighten
Description
Experts may recommend oral supplements or vitamin injections if a person has low vitamin B12 levels because of health conditions

So the term off-label is off here since it does not have current FDA approval
What "arginate" actually means Peptides synthesized for research use are typically produced as salts, with a counterion attached to improve stability or solubility

PMID 11665618
