l carnitine is found in what foods Know Your Nutrients: L-Carnitine L-Carnitine: What Is It, When

The copper connection The "Cu" isn't incidental: copper is a required cofactor for the enzymes that cross-link collagen and elastin, and GHK's role is to carry it where it's needed.[1] That delivery job is a big part of why such a tiny peptide has such broad effects

Its preventive effects are especially pronounced in cases of genetically induced hair loss

Gradual return to activity as pain allows

Antioxid Redox Signal 6:6374, PMID: 14713336 Johnson WM, Wilson-Delfosse AL, Mieyal JJ (2012) Dysregulation of glutathione homeostasis in neurodegenerative diseases

Factors like intense exercise, exposure to environmental toxins, or the natural process of ageing can increase the "demand" for glutathione