Insulin like growth factor 1 level is a poor diagnostic indicator of growth hormone deficiency Scientific Reports Everyone's calling GHK Cu a miracle peptide But let's separate marketing from mechanism. GHK Cu isn't magic. It's a signal. A signal that: Supports tissue repair Modulates inflammation Enhances collagen + IGF 1: Miracle Hormone or Health Hazard? Diet vs Disease Effects of GH IGF I hypersecretion in metabolic organs. Download Scientific Diagram GHK vs GHK Cu Without Copper, Basic Peptide Neurogan Health The Fascinating Interplay between Growth Hormone, Insulin Like Growth Factor 1, and Insulin