is ghk-cu a drug What GHK-Cu? How It Works in Research and Quality Signals GHK-Cu 10mg | 60 Tablets

There is no dose-ranging study

However, large amounts of oxalate passing through to your kidneys can lead to the formation of kidney stones ( Inadequate fluid or calcium intake may also contribute to the development of kidney stones by increasing oxalate absorption ( summary Calcium oxalate kidney stones are caused when high amounts of oxalate build up in the kidneys

In: Rakel RE, Bope ET, eds

PMID 21030672 GHK-Cu systemic healing from distant injection - Review summarizing distant wound-healing effects from injected GHK/Cu complexes across animal models

Dansyl chloride may also be denoted DNSC

So Hydrolyzed Collagen is not really collagen, it is rather an undefined and varying mix of largish peptides