ghk cu vs vitamin c GHK-Cu AHK-Cu: Which Copper Peptide Is More Effective? Formulated with 2% GHK Can You Use GHK-Cu Peptides

Wound Healing & Scarring: Investigating how the combination of actin sequestration (TB-500) and collagen regulation (GHK-Cu) affects scar tissue formation

Some are already being used with preliminary success

(6) S Yuan, A M Mason, P Carter, et al (2021) Homocysteine, B vitamins, and cardiovascular disease: a Mendelian randomization study BMC Medicine, 2021 Apr 23, Volume 19, Page 97

I was at one time convinced of the authenticity of a product called Wine Rx, but they subsequently failed to document their claims on composition, and moreover, it seems to go vinegary and weird in well less than a year -- not surprising perhaps granted that it was only a 50% extract

Warnings & Precautions: Use under medical supervision, especially for long-term therapy