ghk-cu dose “Is actually worth it?” is genuinely one of the most common questions in my comments, so let me finally answer it properly., The short version: copper peptides have real research behind them, GHK-Cu Dosage and Protocol: A
Description
The FDA warning letter context also matters

It can become tricky to ensure that your diet contains enough of all of the necessary vitamins to maintain the health of your body

The consequences of untreated DPN are severe, with the potential progression to neuropathic pain affecting 2033% of patients with DPN and significantly compromising their overall well-being [2, 10]
They provide a concentrated source of the amino acids glycine, proline and hydroxyproline that the body uses as building blocks

10.1021/pr300248s 43
The bodys master antioxidant, delivered for everyday detox support, clearer skin, and brighter energy
