copper peptide ghk-cu hair growth clinical trial randomized AHK-Cu Study (2007) — Plain-Language Summary Copper Peptides For Hair Loss:
Description
Published research documents biological activity from oral administration in animal models across gastric ulcer, IBD, tendon repair, and systemic tissue-repair endpoints

PubChem CID 73587 molecular weight 340.38 g/mol

One explanation for this may be that as long as the intake of protein is sufficient, serum IGF-I levels will remain relatively stable (115), i.e., the intake of calories per se does not alter serum IGF-I levels

There is no published guideline for when to stop GHK-Cu

It is safe to have boosters long term or even for life

The faster your metabolism, the faster you burn fat cells
