is ghk cu legal GHK-Cu (Copper Tripeptide) - Skin / Cosmetic Research GHK (Copper Peptide) – Research
Description
The concentration chart made dosing easy to understand with no confusion on units
Vitamin B12 is used for Red blood cell production

Where tested, the combination can provide broader data on tissue repair and regeneration than either peptide alone

Tkalcevi VI et al

Clinically, we are not aware of any major side effects associated with this peptide

P., & Hazard, S